obj-$(CONFIG_PLAT_SPEAR) += spear/
obj-$(CONFIG_ARCH_U300) += clk-u300.o
obj-$(CONFIG_COMMON_CLK_VERSATILE) += versatile/
-obj-$(CONFIG_ARCH_SIRF) += clk-prima2.o
obj-$(CONFIG_PLAT_ORION) += mvebu/
ifeq ($(CONFIG_COMMON_CLK), y)
obj-$(CONFIG_ARCH_MMP) += mmp/
obj-$(CONFIG_ARCH_SUNXI) += sunxi/
obj-$(CONFIG_ARCH_U8500) += ux500/
obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o
+obj-$(CONFIG_ARCH_SIRF) += sirf/
obj-$(CONFIG_ARCH_ZYNQ) += zynq/
obj-$(CONFIG_ARCH_TEGRA) += tegra/
obj-$(CONFIG_PLAT_SAMSUNG) += samsung/
+++ /dev/null
-/*
- * Clock tree for CSR SiRFprimaII
- *
- * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
- */
-
-#include <linux/module.h>
-#include <linux/bitops.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
-#include <linux/of_address.h>
-#include <linux/syscore_ops.h>
-
-#define SIRFSOC_CLKC_CLK_EN0 0x0000
-#define SIRFSOC_CLKC_CLK_EN1 0x0004
-#define SIRFSOC_CLKC_REF_CFG 0x0014
-#define SIRFSOC_CLKC_CPU_CFG 0x0018
-#define SIRFSOC_CLKC_MEM_CFG 0x001c
-#define SIRFSOC_CLKC_SYS_CFG 0x0020
-#define SIRFSOC_CLKC_IO_CFG 0x0024
-#define SIRFSOC_CLKC_DSP_CFG 0x0028
-#define SIRFSOC_CLKC_GFX_CFG 0x002c
-#define SIRFSOC_CLKC_MM_CFG 0x0030
-#define SIRFSOC_CLKC_LCD_CFG 0x0034
-#define SIRFSOC_CLKC_MMC_CFG 0x0038
-#define SIRFSOC_CLKC_PLL1_CFG0 0x0040
-#define SIRFSOC_CLKC_PLL2_CFG0 0x0044
-#define SIRFSOC_CLKC_PLL3_CFG0 0x0048
-#define SIRFSOC_CLKC_PLL1_CFG1 0x004c
-#define SIRFSOC_CLKC_PLL2_CFG1 0x0050
-#define SIRFSOC_CLKC_PLL3_CFG1 0x0054
-#define SIRFSOC_CLKC_PLL1_CFG2 0x0058
-#define SIRFSOC_CLKC_PLL2_CFG2 0x005c
-#define SIRFSOC_CLKC_PLL3_CFG2 0x0060
-#define SIRFSOC_USBPHY_PLL_CTRL 0x0008
-#define SIRFSOC_USBPHY_PLL_POWERDOWN BIT(1)
-#define SIRFSOC_USBPHY_PLL_BYPASS BIT(2)
-#define SIRFSOC_USBPHY_PLL_LOCK BIT(3)
-
-static void *sirfsoc_clk_vbase, *sirfsoc_rsc_vbase;
-
-#define KHZ 1000
-#define MHZ (KHZ * KHZ)
-
-/*
- * SiRFprimaII clock controller
- * - 2 oscillators: osc-26MHz, rtc-32.768KHz
- * - 3 standard configurable plls: pll1, pll2 & pll3
- * - 2 exclusive plls: usb phy pll and sata phy pll
- * - 8 clock domains: cpu/cpudiv, mem/memdiv, sys/io, dsp, graphic, multimedia,
- * display and sdphy.
- * Each clock domain can select its own clock source from five clock sources,
- * X_XIN, X_XINW, PLL1, PLL2 and PLL3. The domain clock is used as the source
- * clock of the group clock.
- * - dsp domain: gps, mf
- * - io domain: dmac, nand, audio, uart, i2c, spi, usp, pwm, pulse
- * - sys domain: security
- */
-
-struct clk_pll {
- struct clk_hw hw;
- unsigned short regofs; /* register offset */
-};
-
-#define to_pllclk(_hw) container_of(_hw, struct clk_pll, hw)
-
-struct clk_dmn {
- struct clk_hw hw;
- signed char enable_bit; /* enable bit: 0 ~ 63 */
- unsigned short regofs; /* register offset */
-};
-
-#define to_dmnclk(_hw) container_of(_hw, struct clk_dmn, hw)
-
-struct clk_std {
- struct clk_hw hw;
- signed char enable_bit; /* enable bit: 0 ~ 63 */
-};
-
-#define to_stdclk(_hw) container_of(_hw, struct clk_std, hw)
-
-static int std_clk_is_enabled(struct clk_hw *hw);
-static int std_clk_enable(struct clk_hw *hw);
-static void std_clk_disable(struct clk_hw *hw);
-
-static inline unsigned long clkc_readl(unsigned reg)
-{
- return readl(sirfsoc_clk_vbase + reg);
-}
-
-static inline void clkc_writel(u32 val, unsigned reg)
-{
- writel(val, sirfsoc_clk_vbase + reg);
-}
-
-/*
- * std pll
- */
-
-static unsigned long pll_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- unsigned long fin = parent_rate;
- struct clk_pll *clk = to_pllclk(hw);
- u32 regcfg2 = clk->regofs + SIRFSOC_CLKC_PLL1_CFG2 -
- SIRFSOC_CLKC_PLL1_CFG0;
-
- if (clkc_readl(regcfg2) & BIT(2)) {
- /* pll bypass mode */
- return fin;
- } else {
- /* fout = fin * nf / nr / od */
- u32 cfg0 = clkc_readl(clk->regofs);
- u32 nf = (cfg0 & (BIT(13) - 1)) + 1;
- u32 nr = ((cfg0 >> 13) & (BIT(6) - 1)) + 1;
- u32 od = ((cfg0 >> 19) & (BIT(4) - 1)) + 1;
- WARN_ON(fin % MHZ);
- return fin / MHZ * nf / nr / od * MHZ;
- }
-}
-
-static long pll_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
-{
- unsigned long fin, nf, nr, od;
-
- /*
- * fout = fin * nf / (nr * od);
- * set od = 1, nr = fin/MHz, so fout = nf * MHz
- */
- rate = rate - rate % MHZ;
-
- nf = rate / MHZ;
- if (nf > BIT(13))
- nf = BIT(13);
- if (nf < 1)
- nf = 1;
-
- fin = *parent_rate;
-
- nr = fin / MHZ;
- if (nr > BIT(6))
- nr = BIT(6);
- od = 1;
-
- return fin * nf / (nr * od);
-}
-
-static int pll_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_pll *clk = to_pllclk(hw);
- unsigned long fin, nf, nr, od, reg;
-
- /*
- * fout = fin * nf / (nr * od);
- * set od = 1, nr = fin/MHz, so fout = nf * MHz
- */
-
- nf = rate / MHZ;
- if (unlikely((rate % MHZ) || nf > BIT(13) || nf < 1))
- return -EINVAL;
-
- fin = parent_rate;
- BUG_ON(fin < MHZ);
-
- nr = fin / MHZ;
- BUG_ON((fin % MHZ) || nr > BIT(6));
-
- od = 1;
-
- reg = (nf - 1) | ((nr - 1) << 13) | ((od - 1) << 19);
- clkc_writel(reg, clk->regofs);
-
- reg = clk->regofs + SIRFSOC_CLKC_PLL1_CFG1 - SIRFSOC_CLKC_PLL1_CFG0;
- clkc_writel((nf >> 1) - 1, reg);
-
- reg = clk->regofs + SIRFSOC_CLKC_PLL1_CFG2 - SIRFSOC_CLKC_PLL1_CFG0;
- while (!(clkc_readl(reg) & BIT(6)))
- cpu_relax();
-
- return 0;
-}
-
-static struct clk_ops std_pll_ops = {
- .recalc_rate = pll_clk_recalc_rate,
- .round_rate = pll_clk_round_rate,
- .set_rate = pll_clk_set_rate,
-};
-
-static const char *pll_clk_parents[] = {
- "osc",
-};
-
-static struct clk_init_data clk_pll1_init = {
- .name = "pll1",
- .ops = &std_pll_ops,
- .parent_names = pll_clk_parents,
- .num_parents = ARRAY_SIZE(pll_clk_parents),
-};
-
-static struct clk_init_data clk_pll2_init = {
- .name = "pll2",
- .ops = &std_pll_ops,
- .parent_names = pll_clk_parents,
- .num_parents = ARRAY_SIZE(pll_clk_parents),
-};
-
-static struct clk_init_data clk_pll3_init = {
- .name = "pll3",
- .ops = &std_pll_ops,
- .parent_names = pll_clk_parents,
- .num_parents = ARRAY_SIZE(pll_clk_parents),
-};
-
-static struct clk_pll clk_pll1 = {
- .regofs = SIRFSOC_CLKC_PLL1_CFG0,
- .hw = {
- .init = &clk_pll1_init,
- },
-};
-
-static struct clk_pll clk_pll2 = {
- .regofs = SIRFSOC_CLKC_PLL2_CFG0,
- .hw = {
- .init = &clk_pll2_init,
- },
-};
-
-static struct clk_pll clk_pll3 = {
- .regofs = SIRFSOC_CLKC_PLL3_CFG0,
- .hw = {
- .init = &clk_pll3_init,
- },
-};
-
-/*
- * usb uses specified pll
- */
-
-static int usb_pll_clk_enable(struct clk_hw *hw)
-{
- u32 reg = readl(sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
- reg &= ~(SIRFSOC_USBPHY_PLL_POWERDOWN | SIRFSOC_USBPHY_PLL_BYPASS);
- writel(reg, sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
- while (!(readl(sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL) &
- SIRFSOC_USBPHY_PLL_LOCK))
- cpu_relax();
-
- return 0;
-}
-
-static void usb_pll_clk_disable(struct clk_hw *clk)
-{
- u32 reg = readl(sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
- reg |= (SIRFSOC_USBPHY_PLL_POWERDOWN | SIRFSOC_USBPHY_PLL_BYPASS);
- writel(reg, sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
-}
-
-static unsigned long usb_pll_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
-{
- u32 reg = readl(sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
- return (reg & SIRFSOC_USBPHY_PLL_BYPASS) ? parent_rate : 48*MHZ;
-}
-
-static struct clk_ops usb_pll_ops = {
- .enable = usb_pll_clk_enable,
- .disable = usb_pll_clk_disable,
- .recalc_rate = usb_pll_clk_recalc_rate,
-};
-
-static struct clk_init_data clk_usb_pll_init = {
- .name = "usb_pll",
- .ops = &usb_pll_ops,
- .parent_names = pll_clk_parents,
- .num_parents = ARRAY_SIZE(pll_clk_parents),
-};
-
-static struct clk_hw usb_pll_clk_hw = {
- .init = &clk_usb_pll_init,
-};
-
-/*
- * clock domains - cpu, mem, sys/io, dsp, gfx
- */
-
-static const char *dmn_clk_parents[] = {
- "rtc",
- "osc",
- "pll1",
- "pll2",
- "pll3",
-};
-
-static u8 dmn_clk_get_parent(struct clk_hw *hw)
-{
- struct clk_dmn *clk = to_dmnclk(hw);
- u32 cfg = clkc_readl(clk->regofs);
-
- /* parent of io domain can only be pll3 */
- if (strcmp(hw->init->name, "io") == 0)
- return 4;
-
- WARN_ON((cfg & (BIT(3) - 1)) > 4);
-
- return cfg & (BIT(3) - 1);
-}
-
-static int dmn_clk_set_parent(struct clk_hw *hw, u8 parent)
-{
- struct clk_dmn *clk = to_dmnclk(hw);
- u32 cfg = clkc_readl(clk->regofs);
-
- /* parent of io domain can only be pll3 */
- if (strcmp(hw->init->name, "io") == 0)
- return -EINVAL;
-
- cfg &= ~(BIT(3) - 1);
- clkc_writel(cfg | parent, clk->regofs);
- /* BIT(3) - switching status: 1 - busy, 0 - done */
- while (clkc_readl(clk->regofs) & BIT(3))
- cpu_relax();
-
- return 0;
-}
-
-static unsigned long dmn_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-
-{
- unsigned long fin = parent_rate;
- struct clk_dmn *clk = to_dmnclk(hw);
-
- u32 cfg = clkc_readl(clk->regofs);
-
- if (cfg & BIT(24)) {
- /* fcd bypass mode */
- return fin;
- } else {
- /*
- * wait count: bit[19:16], hold count: bit[23:20]
- */
- u32 wait = (cfg >> 16) & (BIT(4) - 1);
- u32 hold = (cfg >> 20) & (BIT(4) - 1);
-
- return fin / (wait + hold + 2);
- }
-}
-
-static long dmn_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
-{
- unsigned long fin;
- unsigned ratio, wait, hold;
- unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
-
- fin = *parent_rate;
- ratio = fin / rate;
-
- if (ratio < 2)
- ratio = 2;
- if (ratio > BIT(bits + 1))
- ratio = BIT(bits + 1);
-
- wait = (ratio >> 1) - 1;
- hold = ratio - wait - 2;
-
- return fin / (wait + hold + 2);
-}
-
-static int dmn_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_dmn *clk = to_dmnclk(hw);
- unsigned long fin;
- unsigned ratio, wait, hold, reg;
- unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
-
- fin = parent_rate;
- ratio = fin / rate;
-
- if (unlikely(ratio < 2 || ratio > BIT(bits + 1)))
- return -EINVAL;
-
- WARN_ON(fin % rate);
-
- wait = (ratio >> 1) - 1;
- hold = ratio - wait - 2;
-
- reg = clkc_readl(clk->regofs);
- reg &= ~(((BIT(bits) - 1) << 16) | ((BIT(bits) - 1) << 20));
- reg |= (wait << 16) | (hold << 20) | BIT(25);
- clkc_writel(reg, clk->regofs);
-
- /* waiting FCD been effective */
- while (clkc_readl(clk->regofs) & BIT(25))
- cpu_relax();
-
- return 0;
-}
-
-static struct clk_ops msi_ops = {
- .set_rate = dmn_clk_set_rate,
- .round_rate = dmn_clk_round_rate,
- .recalc_rate = dmn_clk_recalc_rate,
- .set_parent = dmn_clk_set_parent,
- .get_parent = dmn_clk_get_parent,
-};
-
-static struct clk_init_data clk_mem_init = {
- .name = "mem",
- .ops = &msi_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_mem = {
- .regofs = SIRFSOC_CLKC_MEM_CFG,
- .hw = {
- .init = &clk_mem_init,
- },
-};
-
-static struct clk_init_data clk_sys_init = {
- .name = "sys",
- .ops = &msi_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
- .flags = CLK_SET_RATE_GATE,
-};
-
-static struct clk_dmn clk_sys = {
- .regofs = SIRFSOC_CLKC_SYS_CFG,
- .hw = {
- .init = &clk_sys_init,
- },
-};
-
-static struct clk_init_data clk_io_init = {
- .name = "io",
- .ops = &msi_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_io = {
- .regofs = SIRFSOC_CLKC_IO_CFG,
- .hw = {
- .init = &clk_io_init,
- },
-};
-
-static struct clk_ops cpu_ops = {
- .set_parent = dmn_clk_set_parent,
- .get_parent = dmn_clk_get_parent,
-};
-
-static struct clk_init_data clk_cpu_init = {
- .name = "cpu",
- .ops = &cpu_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
- .flags = CLK_SET_RATE_PARENT,
-};
-
-static struct clk_dmn clk_cpu = {
- .regofs = SIRFSOC_CLKC_CPU_CFG,
- .hw = {
- .init = &clk_cpu_init,
- },
-};
-
-static struct clk_ops dmn_ops = {
- .is_enabled = std_clk_is_enabled,
- .enable = std_clk_enable,
- .disable = std_clk_disable,
- .set_rate = dmn_clk_set_rate,
- .round_rate = dmn_clk_round_rate,
- .recalc_rate = dmn_clk_recalc_rate,
- .set_parent = dmn_clk_set_parent,
- .get_parent = dmn_clk_get_parent,
-};
-
-/* dsp, gfx, mm, lcd and vpp domain */
-
-static struct clk_init_data clk_dsp_init = {
- .name = "dsp",
- .ops = &dmn_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_dsp = {
- .regofs = SIRFSOC_CLKC_DSP_CFG,
- .enable_bit = 0,
- .hw = {
- .init = &clk_dsp_init,
- },
-};
-
-static struct clk_init_data clk_gfx_init = {
- .name = "gfx",
- .ops = &dmn_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_gfx = {
- .regofs = SIRFSOC_CLKC_GFX_CFG,
- .enable_bit = 8,
- .hw = {
- .init = &clk_gfx_init,
- },
-};
-
-static struct clk_init_data clk_mm_init = {
- .name = "mm",
- .ops = &dmn_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_mm = {
- .regofs = SIRFSOC_CLKC_MM_CFG,
- .enable_bit = 9,
- .hw = {
- .init = &clk_mm_init,
- },
-};
-
-static struct clk_init_data clk_lcd_init = {
- .name = "lcd",
- .ops = &dmn_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_lcd = {
- .regofs = SIRFSOC_CLKC_LCD_CFG,
- .enable_bit = 10,
- .hw = {
- .init = &clk_lcd_init,
- },
-};
-
-static struct clk_init_data clk_vpp_init = {
- .name = "vpp",
- .ops = &dmn_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_vpp = {
- .regofs = SIRFSOC_CLKC_LCD_CFG,
- .enable_bit = 11,
- .hw = {
- .init = &clk_vpp_init,
- },
-};
-
-static struct clk_init_data clk_mmc01_init = {
- .name = "mmc01",
- .ops = &dmn_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_mmc01 = {
- .regofs = SIRFSOC_CLKC_MMC_CFG,
- .enable_bit = 59,
- .hw = {
- .init = &clk_mmc01_init,
- },
-};
-
-static struct clk_init_data clk_mmc23_init = {
- .name = "mmc23",
- .ops = &dmn_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_mmc23 = {
- .regofs = SIRFSOC_CLKC_MMC_CFG,
- .enable_bit = 60,
- .hw = {
- .init = &clk_mmc23_init,
- },
-};
-
-static struct clk_init_data clk_mmc45_init = {
- .name = "mmc45",
- .ops = &dmn_ops,
- .parent_names = dmn_clk_parents,
- .num_parents = ARRAY_SIZE(dmn_clk_parents),
-};
-
-static struct clk_dmn clk_mmc45 = {
- .regofs = SIRFSOC_CLKC_MMC_CFG,
- .enable_bit = 61,
- .hw = {
- .init = &clk_mmc45_init,
- },
-};
-
-/*
- * peripheral controllers in io domain
- */
-
-static int std_clk_is_enabled(struct clk_hw *hw)
-{
- u32 reg;
- int bit;
- struct clk_std *clk = to_stdclk(hw);
-
- bit = clk->enable_bit % 32;
- reg = clk->enable_bit / 32;
- reg = SIRFSOC_CLKC_CLK_EN0 + reg * sizeof(reg);
-
- return !!(clkc_readl(reg) & BIT(bit));
-}
-
-static int std_clk_enable(struct clk_hw *hw)
-{
- u32 val, reg;
- int bit;
- struct clk_std *clk = to_stdclk(hw);
-
- BUG_ON(clk->enable_bit < 0 || clk->enable_bit > 63);
-
- bit = clk->enable_bit % 32;
- reg = clk->enable_bit / 32;
- reg = SIRFSOC_CLKC_CLK_EN0 + reg * sizeof(reg);
-
- val = clkc_readl(reg) | BIT(bit);
- clkc_writel(val, reg);
- return 0;
-}
-
-static void std_clk_disable(struct clk_hw *hw)
-{
- u32 val, reg;
- int bit;
- struct clk_std *clk = to_stdclk(hw);
-
- BUG_ON(clk->enable_bit < 0 || clk->enable_bit > 63);
-
- bit = clk->enable_bit % 32;
- reg = clk->enable_bit / 32;
- reg = SIRFSOC_CLKC_CLK_EN0 + reg * sizeof(reg);
-
- val = clkc_readl(reg) & ~BIT(bit);
- clkc_writel(val, reg);
-}
-
-static const char *std_clk_io_parents[] = {
- "io",
-};
-
-static struct clk_ops ios_ops = {
- .is_enabled = std_clk_is_enabled,
- .enable = std_clk_enable,
- .disable = std_clk_disable,
-};
-
-static struct clk_init_data clk_dmac0_init = {
- .name = "dmac0",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_dmac0 = {
- .enable_bit = 32,
- .hw = {
- .init = &clk_dmac0_init,
- },
-};
-
-static struct clk_init_data clk_dmac1_init = {
- .name = "dmac1",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_dmac1 = {
- .enable_bit = 33,
- .hw = {
- .init = &clk_dmac1_init,
- },
-};
-
-static struct clk_init_data clk_nand_init = {
- .name = "nand",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_nand = {
- .enable_bit = 34,
- .hw = {
- .init = &clk_nand_init,
- },
-};
-
-static struct clk_init_data clk_audio_init = {
- .name = "audio",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_audio = {
- .enable_bit = 35,
- .hw = {
- .init = &clk_audio_init,
- },
-};
-
-static struct clk_init_data clk_uart0_init = {
- .name = "uart0",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_uart0 = {
- .enable_bit = 36,
- .hw = {
- .init = &clk_uart0_init,
- },
-};
-
-static struct clk_init_data clk_uart1_init = {
- .name = "uart1",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_uart1 = {
- .enable_bit = 37,
- .hw = {
- .init = &clk_uart1_init,
- },
-};
-
-static struct clk_init_data clk_uart2_init = {
- .name = "uart2",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_uart2 = {
- .enable_bit = 38,
- .hw = {
- .init = &clk_uart2_init,
- },
-};
-
-static struct clk_init_data clk_usp0_init = {
- .name = "usp0",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_usp0 = {
- .enable_bit = 39,
- .hw = {
- .init = &clk_usp0_init,
- },
-};
-
-static struct clk_init_data clk_usp1_init = {
- .name = "usp1",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_usp1 = {
- .enable_bit = 40,
- .hw = {
- .init = &clk_usp1_init,
- },
-};
-
-static struct clk_init_data clk_usp2_init = {
- .name = "usp2",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_usp2 = {
- .enable_bit = 41,
- .hw = {
- .init = &clk_usp2_init,
- },
-};
-
-static struct clk_init_data clk_vip_init = {
- .name = "vip",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_vip = {
- .enable_bit = 42,
- .hw = {
- .init = &clk_vip_init,
- },
-};
-
-static struct clk_init_data clk_spi0_init = {
- .name = "spi0",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_spi0 = {
- .enable_bit = 43,
- .hw = {
- .init = &clk_spi0_init,
- },
-};
-
-static struct clk_init_data clk_spi1_init = {
- .name = "spi1",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_spi1 = {
- .enable_bit = 44,
- .hw = {
- .init = &clk_spi1_init,
- },
-};
-
-static struct clk_init_data clk_tsc_init = {
- .name = "tsc",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_tsc = {
- .enable_bit = 45,
- .hw = {
- .init = &clk_tsc_init,
- },
-};
-
-static struct clk_init_data clk_i2c0_init = {
- .name = "i2c0",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_i2c0 = {
- .enable_bit = 46,
- .hw = {
- .init = &clk_i2c0_init,
- },
-};
-
-static struct clk_init_data clk_i2c1_init = {
- .name = "i2c1",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_i2c1 = {
- .enable_bit = 47,
- .hw = {
- .init = &clk_i2c1_init,
- },
-};
-
-static struct clk_init_data clk_pwmc_init = {
- .name = "pwmc",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_pwmc = {
- .enable_bit = 48,
- .hw = {
- .init = &clk_pwmc_init,
- },
-};
-
-static struct clk_init_data clk_efuse_init = {
- .name = "efuse",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_efuse = {
- .enable_bit = 49,
- .hw = {
- .init = &clk_efuse_init,
- },
-};
-
-static struct clk_init_data clk_pulse_init = {
- .name = "pulse",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_pulse = {
- .enable_bit = 50,
- .hw = {
- .init = &clk_pulse_init,
- },
-};
-
-static const char *std_clk_dsp_parents[] = {
- "dsp",
-};
-
-static struct clk_init_data clk_gps_init = {
- .name = "gps",
- .ops = &ios_ops,
- .parent_names = std_clk_dsp_parents,
- .num_parents = ARRAY_SIZE(std_clk_dsp_parents),
-};
-
-static struct clk_std clk_gps = {
- .enable_bit = 1,
- .hw = {
- .init = &clk_gps_init,
- },
-};
-
-static struct clk_init_data clk_mf_init = {
- .name = "mf",
- .ops = &ios_ops,
- .parent_names = std_clk_io_parents,
- .num_parents = ARRAY_SIZE(std_clk_io_parents),
-};
-
-static struct clk_std clk_mf = {
- .enable_bit = 2,
- .hw = {
- .init = &clk_mf_init,
- },
-};
-
-static const char *std_clk_sys_parents[] = {
- "sys",
-};
-
-static struct clk_init_data clk_security_init = {
- .name = "mf",
- .ops = &ios_ops,
- .parent_names = std_clk_sys_parents,
- .num_parents = ARRAY_SIZE(std_clk_sys_parents),
-};
-
-static struct clk_std clk_security = {
- .enable_bit = 19,
- .hw = {
- .init = &clk_security_init,
- },
-};
-
-static const char *std_clk_usb_parents[] = {
- "usb_pll",
-};
-
-static struct clk_init_data clk_usb0_init = {
- .name = "usb0",
- .ops = &ios_ops,
- .parent_names = std_clk_usb_parents,
- .num_parents = ARRAY_SIZE(std_clk_usb_parents),
-};
-
-static struct clk_std clk_usb0 = {
- .enable_bit = 16,
- .hw = {
- .init = &clk_usb0_init,
- },
-};
-
-static struct clk_init_data clk_usb1_init = {
- .name = "usb1",
- .ops = &ios_ops,
- .parent_names = std_clk_usb_parents,
- .num_parents = ARRAY_SIZE(std_clk_usb_parents),
-};
-
-static struct clk_std clk_usb1 = {
- .enable_bit = 17,
- .hw = {
- .init = &clk_usb1_init,
- },
-};
-
-enum prima2_clk_index {
- /* 0 1 2 3 4 5 6 7 8 9 */
- rtc, osc, pll1, pll2, pll3, mem, sys, security, dsp, gps,
- mf, io, cpu, uart0, uart1, uart2, tsc, i2c0, i2c1, spi0,
- spi1, pwmc, efuse, pulse, dmac0, dmac1, nand, audio, usp0, usp1,
- usp2, vip, gfx, mm, lcd, vpp, mmc01, mmc23, mmc45, usbpll,
- usb0, usb1, maxclk,
-};
-
-static struct clk_hw *prima2_clk_hw_array[maxclk] __initdata = {
- NULL, /* dummy */
- NULL,
- &clk_pll1.hw,
- &clk_pll2.hw,
- &clk_pll3.hw,
- &clk_mem.hw,
- &clk_sys.hw,
- &clk_security.hw,
- &clk_dsp.hw,
- &clk_gps.hw,
- &clk_mf.hw,
- &clk_io.hw,
- &clk_cpu.hw,
- &clk_uart0.hw,
- &clk_uart1.hw,
- &clk_uart2.hw,
- &clk_tsc.hw,
- &clk_i2c0.hw,
- &clk_i2c1.hw,
- &clk_spi0.hw,
- &clk_spi1.hw,
- &clk_pwmc.hw,
- &clk_efuse.hw,
- &clk_pulse.hw,
- &clk_dmac0.hw,
- &clk_dmac1.hw,
- &clk_nand.hw,
- &clk_audio.hw,
- &clk_usp0.hw,
- &clk_usp1.hw,
- &clk_usp2.hw,
- &clk_vip.hw,
- &clk_gfx.hw,
- &clk_mm.hw,
- &clk_lcd.hw,
- &clk_vpp.hw,
- &clk_mmc01.hw,
- &clk_mmc23.hw,
- &clk_mmc45.hw,
- &usb_pll_clk_hw,
- &clk_usb0.hw,
- &clk_usb1.hw,
-};
-
-static struct clk *prima2_clks[maxclk];
-static struct clk_onecell_data clk_data;
-
-static void __init sirfsoc_clk_init(struct device_node *np)
-{
- struct device_node *rscnp;
- int i;
-
- rscnp = of_find_compatible_node(NULL, NULL, "sirf,prima2-rsc");
- sirfsoc_rsc_vbase = of_iomap(rscnp, 0);
- if (!sirfsoc_rsc_vbase)
- panic("unable to map rsc registers\n");
- of_node_put(rscnp);
-
- sirfsoc_clk_vbase = of_iomap(np, 0);
- if (!sirfsoc_clk_vbase)
- panic("unable to map clkc registers\n");
-
- /* These are always available (RTC and 26MHz OSC)*/
- prima2_clks[rtc] = clk_register_fixed_rate(NULL, "rtc", NULL,
- CLK_IS_ROOT, 32768);
- prima2_clks[osc]= clk_register_fixed_rate(NULL, "osc", NULL,
- CLK_IS_ROOT, 26000000);
-
- for (i = pll1; i < maxclk; i++) {
- prima2_clks[i] = clk_register(NULL, prima2_clk_hw_array[i]);
- BUG_ON(IS_ERR(prima2_clks[i]));
- }
- clk_register_clkdev(prima2_clks[cpu], NULL, "cpu");
- clk_register_clkdev(prima2_clks[io], NULL, "io");
- clk_register_clkdev(prima2_clks[mem], NULL, "mem");
-
- clk_data.clks = prima2_clks;
- clk_data.clk_num = maxclk;
-
- of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
-}
-CLK_OF_DECLARE(sirfsoc_clk, "sirf,prima2-clkc", sirfsoc_clk_init);
--- /dev/null
+#
+# Makefile for sirf specific clk
+#
+
+obj-$(CONFIG_ARCH_SIRF) += clk-prima2.o clk-atlas6.o
--- /dev/null
+#define SIRFSOC_CLKC_CLK_EN0 0x0000
+#define SIRFSOC_CLKC_CLK_EN1 0x0004
+#define SIRFSOC_CLKC_REF_CFG 0x0020
+#define SIRFSOC_CLKC_CPU_CFG 0x0024
+#define SIRFSOC_CLKC_MEM_CFG 0x0028
+#define SIRFSOC_CLKC_MEMDIV_CFG 0x002C
+#define SIRFSOC_CLKC_SYS_CFG 0x0030
+#define SIRFSOC_CLKC_IO_CFG 0x0034
+#define SIRFSOC_CLKC_DSP_CFG 0x0038
+#define SIRFSOC_CLKC_GFX_CFG 0x003c
+#define SIRFSOC_CLKC_MM_CFG 0x0040
+#define SIRFSOC_CLKC_GFX2D_CFG 0x0040
+#define SIRFSOC_CLKC_LCD_CFG 0x0044
+#define SIRFSOC_CLKC_MMC01_CFG 0x0048
+#define SIRFSOC_CLKC_MMC23_CFG 0x004C
+#define SIRFSOC_CLKC_MMC45_CFG 0x0050
+#define SIRFSOC_CLKC_NAND_CFG 0x0054
+#define SIRFSOC_CLKC_NANDDIV_CFG 0x0058
+#define SIRFSOC_CLKC_PLL1_CFG0 0x0080
+#define SIRFSOC_CLKC_PLL2_CFG0 0x0084
+#define SIRFSOC_CLKC_PLL3_CFG0 0x0088
+#define SIRFSOC_CLKC_PLL1_CFG1 0x008c
+#define SIRFSOC_CLKC_PLL2_CFG1 0x0090
+#define SIRFSOC_CLKC_PLL3_CFG1 0x0094
+#define SIRFSOC_CLKC_PLL1_CFG2 0x0098
+#define SIRFSOC_CLKC_PLL2_CFG2 0x009c
+#define SIRFSOC_CLKC_PLL3_CFG2 0x00A0
+#define SIRFSOC_USBPHY_PLL_CTRL 0x0008
+#define SIRFSOC_USBPHY_PLL_POWERDOWN BIT(1)
+#define SIRFSOC_USBPHY_PLL_BYPASS BIT(2)
+#define SIRFSOC_USBPHY_PLL_LOCK BIT(3)
--- /dev/null
+/*
+ * Clock tree for CSR SiRFatlasVI
+ *
+ * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/bitops.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/syscore_ops.h>
+
+#include "atlas6.h"
+#include "clk-common.c"
+
+static struct clk_dmn clk_mmc01 = {
+ .regofs = SIRFSOC_CLKC_MMC01_CFG,
+ .enable_bit = 59,
+ .hw = {
+ .init = &clk_mmc01_init,
+ },
+};
+
+static struct clk_dmn clk_mmc23 = {
+ .regofs = SIRFSOC_CLKC_MMC23_CFG,
+ .enable_bit = 60,
+ .hw = {
+ .init = &clk_mmc23_init,
+ },
+};
+
+static struct clk_dmn clk_mmc45 = {
+ .regofs = SIRFSOC_CLKC_MMC45_CFG,
+ .enable_bit = 61,
+ .hw = {
+ .init = &clk_mmc45_init,
+ },
+};
+
+static struct clk_init_data clk_nand_init = {
+ .name = "nand",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_dmn clk_nand = {
+ .regofs = SIRFSOC_CLKC_NAND_CFG,
+ .enable_bit = 34,
+ .hw = {
+ .init = &clk_nand_init,
+ },
+};
+
+enum atlas6_clk_index {
+ /* 0 1 2 3 4 5 6 7 8 9 */
+ rtc, osc, pll1, pll2, pll3, mem, sys, security, dsp, gps,
+ mf, io, cpu, uart0, uart1, uart2, tsc, i2c0, i2c1, spi0,
+ spi1, pwmc, efuse, pulse, dmac0, dmac1, nand, audio, usp0, usp1,
+ usp2, vip, gfx, gfx2d, lcd, vpp, mmc01, mmc23, mmc45, usbpll,
+ usb0, usb1, cphif, maxclk,
+};
+
+static __initdata struct clk_hw *atlas6_clk_hw_array[maxclk] = {
+ NULL, /* dummy */
+ NULL,
+ &clk_pll1.hw,
+ &clk_pll2.hw,
+ &clk_pll3.hw,
+ &clk_mem.hw,
+ &clk_sys.hw,
+ &clk_security.hw,
+ &clk_dsp.hw,
+ &clk_gps.hw,
+ &clk_mf.hw,
+ &clk_io.hw,
+ &clk_cpu.hw,
+ &clk_uart0.hw,
+ &clk_uart1.hw,
+ &clk_uart2.hw,
+ &clk_tsc.hw,
+ &clk_i2c0.hw,
+ &clk_i2c1.hw,
+ &clk_spi0.hw,
+ &clk_spi1.hw,
+ &clk_pwmc.hw,
+ &clk_efuse.hw,
+ &clk_pulse.hw,
+ &clk_dmac0.hw,
+ &clk_dmac1.hw,
+ &clk_nand.hw,
+ &clk_audio.hw,
+ &clk_usp0.hw,
+ &clk_usp1.hw,
+ &clk_usp2.hw,
+ &clk_vip.hw,
+ &clk_gfx.hw,
+ &clk_gfx2d.hw,
+ &clk_lcd.hw,
+ &clk_vpp.hw,
+ &clk_mmc01.hw,
+ &clk_mmc23.hw,
+ &clk_mmc45.hw,
+ &usb_pll_clk_hw,
+ &clk_usb0.hw,
+ &clk_usb1.hw,
+ &clk_cphif.hw,
+};
+
+static struct clk *atlas6_clks[maxclk];
+
+static void __init atlas6_clk_init(struct device_node *np)
+{
+ struct device_node *rscnp;
+ int i;
+
+ rscnp = of_find_compatible_node(NULL, NULL, "sirf,prima2-rsc");
+ sirfsoc_rsc_vbase = of_iomap(rscnp, 0);
+ if (!sirfsoc_rsc_vbase)
+ panic("unable to map rsc registers\n");
+ of_node_put(rscnp);
+
+ sirfsoc_clk_vbase = of_iomap(np, 0);
+ if (!sirfsoc_clk_vbase)
+ panic("unable to map clkc registers\n");
+
+ /* These are always available (RTC and 26MHz OSC)*/
+ atlas6_clks[rtc] = clk_register_fixed_rate(NULL, "rtc", NULL,
+ CLK_IS_ROOT, 32768);
+ atlas6_clks[osc] = clk_register_fixed_rate(NULL, "osc", NULL,
+ CLK_IS_ROOT, 26000000);
+
+ for (i = pll1; i < maxclk; i++) {
+ atlas6_clks[i] = clk_register(NULL, atlas6_clk_hw_array[i]);
+ BUG_ON(!atlas6_clks[i]);
+ }
+ clk_register_clkdev(atlas6_clks[cpu], NULL, "cpu");
+ clk_register_clkdev(atlas6_clks[io], NULL, "io");
+ clk_register_clkdev(atlas6_clks[mem], NULL, "mem");
+ clk_register_clkdev(atlas6_clks[mem], NULL, "osc");
+
+ clk_data.clks = atlas6_clks;
+ clk_data.clk_num = maxclk;
+
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+}
+CLK_OF_DECLARE(atlas6_clk, "sirf,atlas6-clkc", atlas6_clk_init);
--- /dev/null
+/*
+ * common clks module for all SiRF SoCs
+ *
+ * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#define KHZ 1000
+#define MHZ (KHZ * KHZ)
+
+static void *sirfsoc_clk_vbase;
+static void *sirfsoc_rsc_vbase;
+static struct clk_onecell_data clk_data;
+
+/*
+ * SiRFprimaII clock controller
+ * - 2 oscillators: osc-26MHz, rtc-32.768KHz
+ * - 3 standard configurable plls: pll1, pll2 & pll3
+ * - 2 exclusive plls: usb phy pll and sata phy pll
+ * - 8 clock domains: cpu/cpudiv, mem/memdiv, sys/io, dsp, graphic, multimedia,
+ * display and sdphy.
+ * Each clock domain can select its own clock source from five clock sources,
+ * X_XIN, X_XINW, PLL1, PLL2 and PLL3. The domain clock is used as the source
+ * clock of the group clock.
+ * - dsp domain: gps, mf
+ * - io domain: dmac, nand, audio, uart, i2c, spi, usp, pwm, pulse
+ * - sys domain: security
+ */
+
+struct clk_pll {
+ struct clk_hw hw;
+ unsigned short regofs; /* register offset */
+};
+
+#define to_pllclk(_hw) container_of(_hw, struct clk_pll, hw)
+
+struct clk_dmn {
+ struct clk_hw hw;
+ signed char enable_bit; /* enable bit: 0 ~ 63 */
+ unsigned short regofs; /* register offset */
+};
+
+#define to_dmnclk(_hw) container_of(_hw, struct clk_dmn, hw)
+
+struct clk_std {
+ struct clk_hw hw;
+ signed char enable_bit; /* enable bit: 0 ~ 63 */
+};
+
+#define to_stdclk(_hw) container_of(_hw, struct clk_std, hw)
+
+static int std_clk_is_enabled(struct clk_hw *hw);
+static int std_clk_enable(struct clk_hw *hw);
+static void std_clk_disable(struct clk_hw *hw);
+
+static inline unsigned long clkc_readl(unsigned reg)
+{
+ return readl(sirfsoc_clk_vbase + reg);
+}
+
+static inline void clkc_writel(u32 val, unsigned reg)
+{
+ writel(val, sirfsoc_clk_vbase + reg);
+}
+
+/*
+ * std pll
+ */
+
+static unsigned long pll_clk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ unsigned long fin = parent_rate;
+ struct clk_pll *clk = to_pllclk(hw);
+ u32 regcfg2 = clk->regofs + SIRFSOC_CLKC_PLL1_CFG2 -
+ SIRFSOC_CLKC_PLL1_CFG0;
+
+ if (clkc_readl(regcfg2) & BIT(2)) {
+ /* pll bypass mode */
+ return fin;
+ } else {
+ /* fout = fin * nf / nr / od */
+ u32 cfg0 = clkc_readl(clk->regofs);
+ u32 nf = (cfg0 & (BIT(13) - 1)) + 1;
+ u32 nr = ((cfg0 >> 13) & (BIT(6) - 1)) + 1;
+ u32 od = ((cfg0 >> 19) & (BIT(4) - 1)) + 1;
+ WARN_ON(fin % MHZ);
+ return fin / MHZ * nf / nr / od * MHZ;
+ }
+}
+
+static long pll_clk_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ unsigned long fin, nf, nr, od;
+ u64 dividend;
+
+ /*
+ * fout = fin * nf / (nr * od);
+ * set od = 1, nr = fin/MHz, so fout = nf * MHz
+ */
+ rate = rate - rate % MHZ;
+
+ nf = rate / MHZ;
+ if (nf > BIT(13))
+ nf = BIT(13);
+ if (nf < 1)
+ nf = 1;
+
+ fin = *parent_rate;
+
+ nr = fin / MHZ;
+ if (nr > BIT(6))
+ nr = BIT(6);
+ od = 1;
+
+ dividend = (u64)fin * nf;
+ do_div(dividend, nr * od);
+
+ return (long)dividend;
+}
+
+static int pll_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct clk_pll *clk = to_pllclk(hw);
+ unsigned long fin, nf, nr, od, reg;
+
+ /*
+ * fout = fin * nf / (nr * od);
+ * set od = 1, nr = fin/MHz, so fout = nf * MHz
+ */
+
+ nf = rate / MHZ;
+ if (unlikely((rate % MHZ) || nf > BIT(13) || nf < 1))
+ return -EINVAL;
+
+ fin = parent_rate;
+ BUG_ON(fin < MHZ);
+
+ nr = fin / MHZ;
+ BUG_ON((fin % MHZ) || nr > BIT(6));
+
+ od = 1;
+
+ reg = (nf - 1) | ((nr - 1) << 13) | ((od - 1) << 19);
+ clkc_writel(reg, clk->regofs);
+
+ reg = clk->regofs + SIRFSOC_CLKC_PLL1_CFG1 - SIRFSOC_CLKC_PLL1_CFG0;
+ clkc_writel((nf >> 1) - 1, reg);
+
+ reg = clk->regofs + SIRFSOC_CLKC_PLL1_CFG2 - SIRFSOC_CLKC_PLL1_CFG0;
+ while (!(clkc_readl(reg) & BIT(6)))
+ cpu_relax();
+
+ return 0;
+}
+
+static long cpu_clk_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ /*
+ * SiRF SoC has not cpu clock control,
+ * So bypass to it's parent pll.
+ */
+ struct clk *parent_clk = clk_get_parent(hw->clk);
+ struct clk *pll_parent_clk = clk_get_parent(parent_clk);
+ unsigned long pll_parent_rate = clk_get_rate(pll_parent_clk);
+ return pll_clk_round_rate(__clk_get_hw(parent_clk), rate, &pll_parent_rate);
+}
+
+static unsigned long cpu_clk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ /*
+ * SiRF SoC has not cpu clock control,
+ * So return the parent pll rate.
+ */
+ struct clk *parent_clk = clk_get_parent(hw->clk);
+ return __clk_get_rate(parent_clk);
+}
+
+static struct clk_ops std_pll_ops = {
+ .recalc_rate = pll_clk_recalc_rate,
+ .round_rate = pll_clk_round_rate,
+ .set_rate = pll_clk_set_rate,
+};
+
+static const char *pll_clk_parents[] = {
+ "osc",
+};
+
+static struct clk_init_data clk_pll1_init = {
+ .name = "pll1",
+ .ops = &std_pll_ops,
+ .parent_names = pll_clk_parents,
+ .num_parents = ARRAY_SIZE(pll_clk_parents),
+};
+
+static struct clk_init_data clk_pll2_init = {
+ .name = "pll2",
+ .ops = &std_pll_ops,
+ .parent_names = pll_clk_parents,
+ .num_parents = ARRAY_SIZE(pll_clk_parents),
+};
+
+static struct clk_init_data clk_pll3_init = {
+ .name = "pll3",
+ .ops = &std_pll_ops,
+ .parent_names = pll_clk_parents,
+ .num_parents = ARRAY_SIZE(pll_clk_parents),
+};
+
+static struct clk_pll clk_pll1 = {
+ .regofs = SIRFSOC_CLKC_PLL1_CFG0,
+ .hw = {
+ .init = &clk_pll1_init,
+ },
+};
+
+static struct clk_pll clk_pll2 = {
+ .regofs = SIRFSOC_CLKC_PLL2_CFG0,
+ .hw = {
+ .init = &clk_pll2_init,
+ },
+};
+
+static struct clk_pll clk_pll3 = {
+ .regofs = SIRFSOC_CLKC_PLL3_CFG0,
+ .hw = {
+ .init = &clk_pll3_init,
+ },
+};
+
+/*
+ * usb uses specified pll
+ */
+
+static int usb_pll_clk_enable(struct clk_hw *hw)
+{
+ u32 reg = readl(sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
+ reg &= ~(SIRFSOC_USBPHY_PLL_POWERDOWN | SIRFSOC_USBPHY_PLL_BYPASS);
+ writel(reg, sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
+ while (!(readl(sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL) &
+ SIRFSOC_USBPHY_PLL_LOCK))
+ cpu_relax();
+
+ return 0;
+}
+
+static void usb_pll_clk_disable(struct clk_hw *clk)
+{
+ u32 reg = readl(sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
+ reg |= (SIRFSOC_USBPHY_PLL_POWERDOWN | SIRFSOC_USBPHY_PLL_BYPASS);
+ writel(reg, sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
+}
+
+static unsigned long usb_pll_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
+{
+ u32 reg = readl(sirfsoc_rsc_vbase + SIRFSOC_USBPHY_PLL_CTRL);
+ return (reg & SIRFSOC_USBPHY_PLL_BYPASS) ? parent_rate : 48*MHZ;
+}
+
+static struct clk_ops usb_pll_ops = {
+ .enable = usb_pll_clk_enable,
+ .disable = usb_pll_clk_disable,
+ .recalc_rate = usb_pll_clk_recalc_rate,
+};
+
+static struct clk_init_data clk_usb_pll_init = {
+ .name = "usb_pll",
+ .ops = &usb_pll_ops,
+ .parent_names = pll_clk_parents,
+ .num_parents = ARRAY_SIZE(pll_clk_parents),
+};
+
+static struct clk_hw usb_pll_clk_hw = {
+ .init = &clk_usb_pll_init,
+};
+
+/*
+ * clock domains - cpu, mem, sys/io, dsp, gfx
+ */
+
+static const char *dmn_clk_parents[] = {
+ "rtc",
+ "osc",
+ "pll1",
+ "pll2",
+ "pll3",
+};
+
+static u8 dmn_clk_get_parent(struct clk_hw *hw)
+{
+ struct clk_dmn *clk = to_dmnclk(hw);
+ u32 cfg = clkc_readl(clk->regofs);
+
+ /* parent of io domain can only be pll3 */
+ if (strcmp(hw->init->name, "io") == 0)
+ return 4;
+
+ WARN_ON((cfg & (BIT(3) - 1)) > 4);
+
+ return cfg & (BIT(3) - 1);
+}
+
+static int dmn_clk_set_parent(struct clk_hw *hw, u8 parent)
+{
+ struct clk_dmn *clk = to_dmnclk(hw);
+ u32 cfg = clkc_readl(clk->regofs);
+
+ /* parent of io domain can only be pll3 */
+ if (strcmp(hw->init->name, "io") == 0)
+ return -EINVAL;
+
+ cfg &= ~(BIT(3) - 1);
+ clkc_writel(cfg | parent, clk->regofs);
+ /* BIT(3) - switching status: 1 - busy, 0 - done */
+ while (clkc_readl(clk->regofs) & BIT(3))
+ cpu_relax();
+
+ return 0;
+}
+
+static unsigned long dmn_clk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+
+{
+ unsigned long fin = parent_rate;
+ struct clk_dmn *clk = to_dmnclk(hw);
+
+ u32 cfg = clkc_readl(clk->regofs);
+
+ if (cfg & BIT(24)) {
+ /* fcd bypass mode */
+ return fin;
+ } else {
+ /*
+ * wait count: bit[19:16], hold count: bit[23:20]
+ */
+ u32 wait = (cfg >> 16) & (BIT(4) - 1);
+ u32 hold = (cfg >> 20) & (BIT(4) - 1);
+
+ return fin / (wait + hold + 2);
+ }
+}
+
+static long dmn_clk_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ unsigned long fin;
+ unsigned ratio, wait, hold;
+ unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
+
+ fin = *parent_rate;
+ ratio = fin / rate;
+
+ if (ratio < 2)
+ ratio = 2;
+ if (ratio > BIT(bits + 1))
+ ratio = BIT(bits + 1);
+
+ wait = (ratio >> 1) - 1;
+ hold = ratio - wait - 2;
+
+ return fin / (wait + hold + 2);
+}
+
+static int dmn_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct clk_dmn *clk = to_dmnclk(hw);
+ unsigned long fin;
+ unsigned ratio, wait, hold, reg;
+ unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
+
+ fin = parent_rate;
+ ratio = fin / rate;
+
+ if (unlikely(ratio < 2 || ratio > BIT(bits + 1)))
+ return -EINVAL;
+
+ WARN_ON(fin % rate);
+
+ wait = (ratio >> 1) - 1;
+ hold = ratio - wait - 2;
+
+ reg = clkc_readl(clk->regofs);
+ reg &= ~(((BIT(bits) - 1) << 16) | ((BIT(bits) - 1) << 20));
+ reg |= (wait << 16) | (hold << 20) | BIT(25);
+ clkc_writel(reg, clk->regofs);
+
+ /* waiting FCD been effective */
+ while (clkc_readl(clk->regofs) & BIT(25))
+ cpu_relax();
+
+ return 0;
+}
+
+static int cpu_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ int ret1, ret2;
+ struct clk *cur_parent;
+
+ if (rate == clk_get_rate(clk_pll1.hw.clk)) {
+ ret1 = clk_set_parent(hw->clk, clk_pll1.hw.clk);
+ return ret1;
+ }
+
+ if (rate == clk_get_rate(clk_pll2.hw.clk)) {
+ ret1 = clk_set_parent(hw->clk, clk_pll2.hw.clk);
+ return ret1;
+ }
+
+ if (rate == clk_get_rate(clk_pll3.hw.clk)) {
+ ret1 = clk_set_parent(hw->clk, clk_pll3.hw.clk);
+ return ret1;
+ }
+
+ cur_parent = clk_get_parent(hw->clk);
+
+ /* switch to tmp pll before setting parent clock's rate */
+ if (cur_parent == clk_pll1.hw.clk) {
+ ret1 = clk_set_parent(hw->clk, clk_pll2.hw.clk);
+ BUG_ON(ret1);
+ }
+
+ ret2 = clk_set_rate(clk_pll1.hw.clk, rate);
+
+ ret1 = clk_set_parent(hw->clk, clk_pll1.hw.clk);
+
+ return ret2 ? ret2 : ret1;
+}
+
+static struct clk_ops msi_ops = {
+ .set_rate = dmn_clk_set_rate,
+ .round_rate = dmn_clk_round_rate,
+ .recalc_rate = dmn_clk_recalc_rate,
+ .set_parent = dmn_clk_set_parent,
+ .get_parent = dmn_clk_get_parent,
+};
+
+static struct clk_init_data clk_mem_init = {
+ .name = "mem",
+ .ops = &msi_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_dmn clk_mem = {
+ .regofs = SIRFSOC_CLKC_MEM_CFG,
+ .hw = {
+ .init = &clk_mem_init,
+ },
+};
+
+static struct clk_init_data clk_sys_init = {
+ .name = "sys",
+ .ops = &msi_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+ .flags = CLK_SET_RATE_GATE,
+};
+
+static struct clk_dmn clk_sys = {
+ .regofs = SIRFSOC_CLKC_SYS_CFG,
+ .hw = {
+ .init = &clk_sys_init,
+ },
+};
+
+static struct clk_init_data clk_io_init = {
+ .name = "io",
+ .ops = &msi_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_dmn clk_io = {
+ .regofs = SIRFSOC_CLKC_IO_CFG,
+ .hw = {
+ .init = &clk_io_init,
+ },
+};
+
+static struct clk_ops cpu_ops = {
+ .set_parent = dmn_clk_set_parent,
+ .get_parent = dmn_clk_get_parent,
+ .set_rate = cpu_clk_set_rate,
+ .round_rate = cpu_clk_round_rate,
+ .recalc_rate = cpu_clk_recalc_rate,
+};
+
+static struct clk_init_data clk_cpu_init = {
+ .name = "cpu",
+ .ops = &cpu_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+ .flags = CLK_SET_RATE_PARENT,
+};
+
+static struct clk_dmn clk_cpu = {
+ .regofs = SIRFSOC_CLKC_CPU_CFG,
+ .hw = {
+ .init = &clk_cpu_init,
+ },
+};
+
+static struct clk_ops dmn_ops = {
+ .is_enabled = std_clk_is_enabled,
+ .enable = std_clk_enable,
+ .disable = std_clk_disable,
+ .set_rate = dmn_clk_set_rate,
+ .round_rate = dmn_clk_round_rate,
+ .recalc_rate = dmn_clk_recalc_rate,
+ .set_parent = dmn_clk_set_parent,
+ .get_parent = dmn_clk_get_parent,
+};
+
+/* dsp, gfx, mm, lcd and vpp domain */
+
+static struct clk_init_data clk_dsp_init = {
+ .name = "dsp",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_dmn clk_dsp = {
+ .regofs = SIRFSOC_CLKC_DSP_CFG,
+ .enable_bit = 0,
+ .hw = {
+ .init = &clk_dsp_init,
+ },
+};
+
+static struct clk_init_data clk_gfx_init = {
+ .name = "gfx",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_dmn clk_gfx = {
+ .regofs = SIRFSOC_CLKC_GFX_CFG,
+ .enable_bit = 8,
+ .hw = {
+ .init = &clk_gfx_init,
+ },
+};
+
+static struct clk_init_data clk_mm_init = {
+ .name = "mm",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_dmn clk_mm = {
+ .regofs = SIRFSOC_CLKC_MM_CFG,
+ .enable_bit = 9,
+ .hw = {
+ .init = &clk_mm_init,
+ },
+};
+
+/*
+ * for atlas6, gfx2d holds the bit of prima2's clk_mm
+ */
+#define clk_gfx2d clk_mm
+
+static struct clk_init_data clk_lcd_init = {
+ .name = "lcd",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_dmn clk_lcd = {
+ .regofs = SIRFSOC_CLKC_LCD_CFG,
+ .enable_bit = 10,
+ .hw = {
+ .init = &clk_lcd_init,
+ },
+};
+
+static struct clk_init_data clk_vpp_init = {
+ .name = "vpp",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_dmn clk_vpp = {
+ .regofs = SIRFSOC_CLKC_LCD_CFG,
+ .enable_bit = 11,
+ .hw = {
+ .init = &clk_vpp_init,
+ },
+};
+
+static struct clk_init_data clk_mmc01_init = {
+ .name = "mmc01",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_init_data clk_mmc23_init = {
+ .name = "mmc23",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+static struct clk_init_data clk_mmc45_init = {
+ .name = "mmc45",
+ .ops = &dmn_ops,
+ .parent_names = dmn_clk_parents,
+ .num_parents = ARRAY_SIZE(dmn_clk_parents),
+};
+
+/*
+ * peripheral controllers in io domain
+ */
+
+static int std_clk_is_enabled(struct clk_hw *hw)
+{
+ u32 reg;
+ int bit;
+ struct clk_std *clk = to_stdclk(hw);
+
+ bit = clk->enable_bit % 32;
+ reg = clk->enable_bit / 32;
+ reg = SIRFSOC_CLKC_CLK_EN0 + reg * sizeof(reg);
+
+ return !!(clkc_readl(reg) & BIT(bit));
+}
+
+static int std_clk_enable(struct clk_hw *hw)
+{
+ u32 val, reg;
+ int bit;
+ struct clk_std *clk = to_stdclk(hw);
+
+ BUG_ON(clk->enable_bit < 0 || clk->enable_bit > 63);
+
+ bit = clk->enable_bit % 32;
+ reg = clk->enable_bit / 32;
+ reg = SIRFSOC_CLKC_CLK_EN0 + reg * sizeof(reg);
+
+ val = clkc_readl(reg) | BIT(bit);
+ clkc_writel(val, reg);
+ return 0;
+}
+
+static void std_clk_disable(struct clk_hw *hw)
+{
+ u32 val, reg;
+ int bit;
+ struct clk_std *clk = to_stdclk(hw);
+
+ BUG_ON(clk->enable_bit < 0 || clk->enable_bit > 63);
+
+ bit = clk->enable_bit % 32;
+ reg = clk->enable_bit / 32;
+ reg = SIRFSOC_CLKC_CLK_EN0 + reg * sizeof(reg);
+
+ val = clkc_readl(reg) & ~BIT(bit);
+ clkc_writel(val, reg);
+}
+
+static const char *std_clk_io_parents[] = {
+ "io",
+};
+
+static struct clk_ops ios_ops = {
+ .is_enabled = std_clk_is_enabled,
+ .enable = std_clk_enable,
+ .disable = std_clk_disable,
+};
+
+static struct clk_init_data clk_cphif_init = {
+ .name = "cphif",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_cphif = {
+ .enable_bit = 20,
+ .hw = {
+ .init = &clk_cphif_init,
+ },
+};
+
+static struct clk_init_data clk_dmac0_init = {
+ .name = "dmac0",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_dmac0 = {
+ .enable_bit = 32,
+ .hw = {
+ .init = &clk_dmac0_init,
+ },
+};
+
+static struct clk_init_data clk_dmac1_init = {
+ .name = "dmac1",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_dmac1 = {
+ .enable_bit = 33,
+ .hw = {
+ .init = &clk_dmac1_init,
+ },
+};
+
+static struct clk_init_data clk_audio_init = {
+ .name = "audio",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_audio = {
+ .enable_bit = 35,
+ .hw = {
+ .init = &clk_audio_init,
+ },
+};
+
+static struct clk_init_data clk_uart0_init = {
+ .name = "uart0",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_uart0 = {
+ .enable_bit = 36,
+ .hw = {
+ .init = &clk_uart0_init,
+ },
+};
+
+static struct clk_init_data clk_uart1_init = {
+ .name = "uart1",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_uart1 = {
+ .enable_bit = 37,
+ .hw = {
+ .init = &clk_uart1_init,
+ },
+};
+
+static struct clk_init_data clk_uart2_init = {
+ .name = "uart2",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_uart2 = {
+ .enable_bit = 38,
+ .hw = {
+ .init = &clk_uart2_init,
+ },
+};
+
+static struct clk_init_data clk_usp0_init = {
+ .name = "usp0",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_usp0 = {
+ .enable_bit = 39,
+ .hw = {
+ .init = &clk_usp0_init,
+ },
+};
+
+static struct clk_init_data clk_usp1_init = {
+ .name = "usp1",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_usp1 = {
+ .enable_bit = 40,
+ .hw = {
+ .init = &clk_usp1_init,
+ },
+};
+
+static struct clk_init_data clk_usp2_init = {
+ .name = "usp2",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_usp2 = {
+ .enable_bit = 41,
+ .hw = {
+ .init = &clk_usp2_init,
+ },
+};
+
+static struct clk_init_data clk_vip_init = {
+ .name = "vip",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_vip = {
+ .enable_bit = 42,
+ .hw = {
+ .init = &clk_vip_init,
+ },
+};
+
+static struct clk_init_data clk_spi0_init = {
+ .name = "spi0",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_spi0 = {
+ .enable_bit = 43,
+ .hw = {
+ .init = &clk_spi0_init,
+ },
+};
+
+static struct clk_init_data clk_spi1_init = {
+ .name = "spi1",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_spi1 = {
+ .enable_bit = 44,
+ .hw = {
+ .init = &clk_spi1_init,
+ },
+};
+
+static struct clk_init_data clk_tsc_init = {
+ .name = "tsc",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_tsc = {
+ .enable_bit = 45,
+ .hw = {
+ .init = &clk_tsc_init,
+ },
+};
+
+static struct clk_init_data clk_i2c0_init = {
+ .name = "i2c0",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_i2c0 = {
+ .enable_bit = 46,
+ .hw = {
+ .init = &clk_i2c0_init,
+ },
+};
+
+static struct clk_init_data clk_i2c1_init = {
+ .name = "i2c1",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_i2c1 = {
+ .enable_bit = 47,
+ .hw = {
+ .init = &clk_i2c1_init,
+ },
+};
+
+static struct clk_init_data clk_pwmc_init = {
+ .name = "pwmc",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_pwmc = {
+ .enable_bit = 48,
+ .hw = {
+ .init = &clk_pwmc_init,
+ },
+};
+
+static struct clk_init_data clk_efuse_init = {
+ .name = "efuse",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_efuse = {
+ .enable_bit = 49,
+ .hw = {
+ .init = &clk_efuse_init,
+ },
+};
+
+static struct clk_init_data clk_pulse_init = {
+ .name = "pulse",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_pulse = {
+ .enable_bit = 50,
+ .hw = {
+ .init = &clk_pulse_init,
+ },
+};
+
+static const char *std_clk_dsp_parents[] = {
+ "dsp",
+};
+
+static struct clk_init_data clk_gps_init = {
+ .name = "gps",
+ .ops = &ios_ops,
+ .parent_names = std_clk_dsp_parents,
+ .num_parents = ARRAY_SIZE(std_clk_dsp_parents),
+};
+
+static struct clk_std clk_gps = {
+ .enable_bit = 1,
+ .hw = {
+ .init = &clk_gps_init,
+ },
+};
+
+static struct clk_init_data clk_mf_init = {
+ .name = "mf",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_mf = {
+ .enable_bit = 2,
+ .hw = {
+ .init = &clk_mf_init,
+ },
+};
+
+static const char *std_clk_sys_parents[] = {
+ "sys",
+};
+
+static struct clk_init_data clk_security_init = {
+ .name = "security",
+ .ops = &ios_ops,
+ .parent_names = std_clk_sys_parents,
+ .num_parents = ARRAY_SIZE(std_clk_sys_parents),
+};
+
+static struct clk_std clk_security = {
+ .enable_bit = 19,
+ .hw = {
+ .init = &clk_security_init,
+ },
+};
+
+static const char *std_clk_usb_parents[] = {
+ "usb_pll",
+};
+
+static struct clk_init_data clk_usb0_init = {
+ .name = "usb0",
+ .ops = &ios_ops,
+ .parent_names = std_clk_usb_parents,
+ .num_parents = ARRAY_SIZE(std_clk_usb_parents),
+};
+
+static struct clk_std clk_usb0 = {
+ .enable_bit = 16,
+ .hw = {
+ .init = &clk_usb0_init,
+ },
+};
+
+static struct clk_init_data clk_usb1_init = {
+ .name = "usb1",
+ .ops = &ios_ops,
+ .parent_names = std_clk_usb_parents,
+ .num_parents = ARRAY_SIZE(std_clk_usb_parents),
+};
+
+static struct clk_std clk_usb1 = {
+ .enable_bit = 17,
+ .hw = {
+ .init = &clk_usb1_init,
+ },
+};
--- /dev/null
+/*
+ * Clock tree for CSR SiRFprimaII
+ *
+ * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/bitops.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/syscore_ops.h>
+
+#include "prima2.h"
+#include "clk-common.c"
+
+static struct clk_dmn clk_mmc01 = {
+ .regofs = SIRFSOC_CLKC_MMC_CFG,
+ .enable_bit = 59,
+ .hw = {
+ .init = &clk_mmc01_init,
+ },
+};
+
+static struct clk_dmn clk_mmc23 = {
+ .regofs = SIRFSOC_CLKC_MMC_CFG,
+ .enable_bit = 60,
+ .hw = {
+ .init = &clk_mmc23_init,
+ },
+};
+
+static struct clk_dmn clk_mmc45 = {
+ .regofs = SIRFSOC_CLKC_MMC_CFG,
+ .enable_bit = 61,
+ .hw = {
+ .init = &clk_mmc45_init,
+ },
+};
+
+static struct clk_init_data clk_nand_init = {
+ .name = "nand",
+ .ops = &ios_ops,
+ .parent_names = std_clk_io_parents,
+ .num_parents = ARRAY_SIZE(std_clk_io_parents),
+};
+
+static struct clk_std clk_nand = {
+ .enable_bit = 34,
+ .hw = {
+ .init = &clk_nand_init,
+ },
+};
+
+enum prima2_clk_index {
+ /* 0 1 2 3 4 5 6 7 8 9 */
+ rtc, osc, pll1, pll2, pll3, mem, sys, security, dsp, gps,
+ mf, io, cpu, uart0, uart1, uart2, tsc, i2c0, i2c1, spi0,
+ spi1, pwmc, efuse, pulse, dmac0, dmac1, nand, audio, usp0, usp1,
+ usp2, vip, gfx, mm, lcd, vpp, mmc01, mmc23, mmc45, usbpll,
+ usb0, usb1, cphif, maxclk,
+};
+
+static __initdata struct clk_hw *prima2_clk_hw_array[maxclk] = {
+ NULL, /* dummy */
+ NULL,
+ &clk_pll1.hw,
+ &clk_pll2.hw,
+ &clk_pll3.hw,
+ &clk_mem.hw,
+ &clk_sys.hw,
+ &clk_security.hw,
+ &clk_dsp.hw,
+ &clk_gps.hw,
+ &clk_mf.hw,
+ &clk_io.hw,
+ &clk_cpu.hw,
+ &clk_uart0.hw,
+ &clk_uart1.hw,
+ &clk_uart2.hw,
+ &clk_tsc.hw,
+ &clk_i2c0.hw,
+ &clk_i2c1.hw,
+ &clk_spi0.hw,
+ &clk_spi1.hw,
+ &clk_pwmc.hw,
+ &clk_efuse.hw,
+ &clk_pulse.hw,
+ &clk_dmac0.hw,
+ &clk_dmac1.hw,
+ &clk_nand.hw,
+ &clk_audio.hw,
+ &clk_usp0.hw,
+ &clk_usp1.hw,
+ &clk_usp2.hw,
+ &clk_vip.hw,
+ &clk_gfx.hw,
+ &clk_mm.hw,
+ &clk_lcd.hw,
+ &clk_vpp.hw,
+ &clk_mmc01.hw,
+ &clk_mmc23.hw,
+ &clk_mmc45.hw,
+ &usb_pll_clk_hw,
+ &clk_usb0.hw,
+ &clk_usb1.hw,
+ &clk_cphif.hw,
+};
+
+static struct clk *prima2_clks[maxclk];
+
+static void __init prima2_clk_init(struct device_node *np)
+{
+ struct device_node *rscnp;
+ int i;
+
+ rscnp = of_find_compatible_node(NULL, NULL, "sirf,prima2-rsc");
+ sirfsoc_rsc_vbase = of_iomap(rscnp, 0);
+ if (!sirfsoc_rsc_vbase)
+ panic("unable to map rsc registers\n");
+ of_node_put(rscnp);
+
+ sirfsoc_clk_vbase = of_iomap(np, 0);
+ if (!sirfsoc_clk_vbase)
+ panic("unable to map clkc registers\n");
+
+ /* These are always available (RTC and 26MHz OSC)*/
+ prima2_clks[rtc] = clk_register_fixed_rate(NULL, "rtc", NULL,
+ CLK_IS_ROOT, 32768);
+ prima2_clks[osc] = clk_register_fixed_rate(NULL, "osc", NULL,
+ CLK_IS_ROOT, 26000000);
+
+ for (i = pll1; i < maxclk; i++) {
+ prima2_clks[i] = clk_register(NULL, prima2_clk_hw_array[i]);
+ BUG_ON(!prima2_clks[i]);
+ }
+ clk_register_clkdev(prima2_clks[cpu], NULL, "cpu");
+ clk_register_clkdev(prima2_clks[io], NULL, "io");
+ clk_register_clkdev(prima2_clks[mem], NULL, "mem");
+ clk_register_clkdev(prima2_clks[mem], NULL, "osc");
+
+ clk_data.clks = prima2_clks;
+ clk_data.clk_num = maxclk;
+
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+}
+CLK_OF_DECLARE(prima2_clk, "sirf,prima2-clkc", prima2_clk_init);
--- /dev/null
+#define SIRFSOC_CLKC_CLK_EN0 0x0000
+#define SIRFSOC_CLKC_CLK_EN1 0x0004
+#define SIRFSOC_CLKC_REF_CFG 0x0014
+#define SIRFSOC_CLKC_CPU_CFG 0x0018
+#define SIRFSOC_CLKC_MEM_CFG 0x001c
+#define SIRFSOC_CLKC_SYS_CFG 0x0020
+#define SIRFSOC_CLKC_IO_CFG 0x0024
+#define SIRFSOC_CLKC_DSP_CFG 0x0028
+#define SIRFSOC_CLKC_GFX_CFG 0x002c
+#define SIRFSOC_CLKC_MM_CFG 0x0030
+#define SIRFSOC_CLKC_LCD_CFG 0x0034
+#define SIRFSOC_CLKC_MMC_CFG 0x0038
+#define SIRFSOC_CLKC_PLL1_CFG0 0x0040
+#define SIRFSOC_CLKC_PLL2_CFG0 0x0044
+#define SIRFSOC_CLKC_PLL3_CFG0 0x0048
+#define SIRFSOC_CLKC_PLL1_CFG1 0x004c
+#define SIRFSOC_CLKC_PLL2_CFG1 0x0050
+#define SIRFSOC_CLKC_PLL3_CFG1 0x0054
+#define SIRFSOC_CLKC_PLL1_CFG2 0x0058
+#define SIRFSOC_CLKC_PLL2_CFG2 0x005c
+#define SIRFSOC_CLKC_PLL3_CFG2 0x0060
+#define SIRFSOC_USBPHY_PLL_CTRL 0x0008
+#define SIRFSOC_USBPHY_PLL_POWERDOWN BIT(1)
+#define SIRFSOC_USBPHY_PLL_BYPASS BIT(2)
+#define SIRFSOC_USBPHY_PLL_LOCK BIT(3)
projects / mirror_ubuntu-bionic-kernel.git / commitdiff