This is a dependency for the tegra multiplatform series.
Conflicts:
drivers/clocksource/tegra20_timer.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_UID16
- select HAVE_VIRT_TO_BUS
select KTIME_SCALAR
select PERF_USE_VMALLOC
select RTC_LIB
This enables support for systems based on Atmel
AT91RM9200 and AT91SAM9* processors.
-config ARCH_BCM2835
- bool "Broadcom BCM2835 family"
- select ARCH_REQUIRE_GPIOLIB
- select ARM_AMBA
- select ARM_ERRATA_411920
- select ARM_TIMER_SP804
- select CLKDEV_LOOKUP
- select CLKSRC_OF
- select COMMON_CLK
- select CPU_V6
- select GENERIC_CLOCKEVENTS
- select MULTI_IRQ_HANDLER
- select PINCTRL
- select PINCTRL_BCM2835
- select SPARSE_IRQ
- select USE_OF
- help
- This enables support for the Broadcom BCM2835 SoC. This SoC is
- use in the Raspberry Pi, and Roku 2 devices.
-
-config ARCH_CNS3XXX
- bool "Cavium Networks CNS3XXX family"
- select ARM_GIC
- select CPU_V6K
- select GENERIC_CLOCKEVENTS
- select MIGHT_HAVE_CACHE_L2X0
- select MIGHT_HAVE_PCI
- select PCI_DOMAINS if PCI
- help
- Support for Cavium Networks CNS3XXX platform.
-
config ARCH_CLPS711X
bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
select ARCH_REQUIRE_GPIOLIB
help
Support for the Cortina Systems Gemini family SoCs
-config ARCH_SIRF
- bool "CSR SiRF"
- select ARCH_REQUIRE_GPIOLIB
- select AUTO_ZRELADDR
- select COMMON_CLK
- select GENERIC_CLOCKEVENTS
- select GENERIC_IRQ_CHIP
- select MIGHT_HAVE_CACHE_L2X0
- select NO_IOPORT
- select PINCTRL
- select PINCTRL_SIRF
- select USE_OF
- help
- Support for CSR SiRFprimaII/Marco/Polo platforms
-
config ARCH_EBSA110
bool "EBSA-110"
select ARCH_USES_GETTIMEOFFSET
Support for systems based on the DC21285 companion chip
("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
-config ARCH_MXS
- bool "Freescale MXS-based"
- select ARCH_REQUIRE_GPIOLIB
- select CLKDEV_LOOKUP
- select CLKSRC_MMIO
- select COMMON_CLK
- select GENERIC_CLOCKEVENTS
- select HAVE_CLK_PREPARE
- select MULTI_IRQ_HANDLER
- select PINCTRL
- select SPARSE_IRQ
- select USE_OF
- help
- Support for Freescale MXS-based family of processors
-
config ARCH_NETX
bool "Hilscher NetX based"
select ARM_VIC
config ARCH_DOVE
bool "Marvell Dove"
select ARCH_REQUIRE_GPIOLIB
- select COMMON_CLK_DOVE
select CPU_V7
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_PCI
select HAVE_CLK
select HAVE_SMP
select MIGHT_HAVE_CACHE_L2X0
+ select SOC_BUS
select SPARSE_IRQ
select USE_OF
help
select NEED_MACH_IO_H
select NEED_MACH_MEMORY_H
select NO_IOPORT
+ select VIRT_TO_BUS
help
On the Acorn Risc-PC, Linux can support the internal IDE disk and
CD-ROM interface, serial and parallel port, and the floppy drive.
select ISA_DMA
select NEED_MACH_MEMORY_H
select PCI
+ select VIRT_TO_BUS
select ZONE_DMA
help
Support for the StrongARM based Digital DNARD machine, also known
help
Support for ST-Ericsson U300 series mobile platforms.
-config ARCH_U8500
- bool "ST-Ericsson U8500 Series"
- depends on MMU
- select ARCH_HAS_CPUFREQ
- select ARCH_REQUIRE_GPIOLIB
- select ARM_AMBA
- select CLKDEV_LOOKUP
- select CPU_V7
- select GENERIC_CLOCKEVENTS
- select HAVE_SMP
- select MIGHT_HAVE_CACHE_L2X0
- select SPARSE_IRQ
- help
- Support for ST-Ericsson's Ux500 architecture
-
-config ARCH_NOMADIK
- bool "STMicroelectronics Nomadik"
- select ARCH_REQUIRE_GPIOLIB
- select ARM_AMBA
- select ARM_VIC
- select CLKSRC_NOMADIK_MTU
- select COMMON_CLK
- select CPU_ARM926T
- select GENERIC_CLOCKEVENTS
- select MIGHT_HAVE_CACHE_L2X0
- select USE_OF
- select PINCTRL
- select PINCTRL_STN8815
- select SPARSE_IRQ
- help
- Support for the Nomadik platform by ST-Ericsson
-
-config PLAT_SPEAR
- bool "ST SPEAr"
- select ARCH_HAS_CPUFREQ
- select ARCH_REQUIRE_GPIOLIB
- select ARM_AMBA
- select CLKDEV_LOOKUP
- select CLKSRC_MMIO
- select COMMON_CLK
- select GENERIC_CLOCKEVENTS
- select HAVE_CLK
- help
- Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
-
config ARCH_DAVINCI
bool "TI DaVinci"
select ARCH_HAS_HOLES_MEMORYMODEL
bool
config ARCH_MULTI_V6
- bool "ARMv6 based platforms (ARM11, Scorpion, ...)"
+ bool "ARMv6 based platforms (ARM11)"
select ARCH_MULTI_V6_V7
select CPU_V6
config ARCH_MULTI_V7
- bool "ARMv7 based platforms (Cortex-A, PJ4, Krait)"
+ bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)"
default y
select ARCH_MULTI_V6_V7
select ARCH_VEXPRESS
source "arch/arm/mach-bcm/Kconfig"
+source "arch/arm/mach-bcm2835/Kconfig"
+
source "arch/arm/mach-clps711x/Kconfig"
source "arch/arm/mach-cns3xxx/Kconfig"
source "arch/arm/mach-socfpga/Kconfig"
-source "arch/arm/plat-spear/Kconfig"
+source "arch/arm/mach-spear/Kconfig"
source "arch/arm/mach-s3c24xx/Kconfig"
bool
select ISA_DMA_API
-config ARCH_NO_VIRT_TO_BUS
- def_bool y
- depends on !ARCH_RPC && !ARCH_NETWINDER && !ARCH_SHARK
-
# Select ISA DMA interface
config ISA_DMA_API
bool
config HAVE_ARM_TWD
bool
depends on SMP
+ select CLKSRC_OF if OF
help
This options enables support for the ARM timer and watchdog unit
accounting to be spread across the timer interval, preventing a
"thundering herd" at every timer tick.
+# The GPIO number here must be sorted by descending number. In case of
+# a multiplatform kernel, we just want the highest value required by the
+# selected platforms.
config ARCH_NR_GPIO
int
default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
- default 355 if ARCH_U8500
- default 264 if MACH_H4700
default 512 if SOC_OMAP5
+ default 355 if ARCH_U8500
default 288 if ARCH_VT8500 || ARCH_SUNXI
+ default 264 if MACH_H4700
default 0
help
Maximum number of GPIOs in the system.
config XEN
bool "Xen guest support on ARM (EXPERIMENTAL)"
- depends on ARM && OF
+ depends on ARM && AEABI && OF
depends on CPU_V7 && !CPU_V6
+ depends on !GENERIC_ATOMIC64
help
Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
compatible = "arm,cortex-a9-twd-timer";
reg = <0x50040600 0x20>;
interrupts = <1 13 0x304>;
+ clocks = <&tegra_car 132>;
};
intc: interrupt-controller {
0 1 0x04
0 41 0x04
0 42 0x04>;
+ clocks = <&tegra_car 5>;
};
tegra_car: clock {
compatible = "nvidia,tegra20-rtc";
reg = <0x7000e000 0x100>;
interrupts = <0 2 0x04>;
+ clocks = <&tegra_car 4>;
};
i2c@7000c000 {
spi@7000d800 {
compatible = "nvidia,tegra20-slink";
- reg = <0x7000d480 0x200>;
+ reg = <0x7000d800 0x200>;
interrupts = <0 83 0x04>;
nvidia,dma-request-selector = <&apbdma 17>;
#address-cells = <1>;
pmc {
compatible = "nvidia,tegra20-pmc";
reg = <0x7000e400 0x400>;
+ clocks = <&tegra_car 110>, <&clk32k_in>;
+ clock-names = "pclk", "clk32k_in";
};
memory-controller@7000f000 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0x50040600 0x20>;
interrupts = <1 13 0xf04>;
+ clocks = <&tegra_car 214>;
};
intc: interrupt-controller {
0 42 0x04
0 121 0x04
0 122 0x04>;
+ clocks = <&tegra_car 5>;
};
tegra_car: clock {
compatible = "nvidia,tegra30-rtc", "nvidia,tegra20-rtc";
reg = <0x7000e000 0x100>;
interrupts = <0 2 0x04>;
+ clocks = <&tegra_car 4>;
};
i2c@7000c000 {
spi@7000d800 {
compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink";
- reg = <0x7000d480 0x200>;
+ reg = <0x7000d800 0x200>;
interrupts = <0 83 0x04>;
nvidia,dma-request-selector = <&apbdma 17>;
#address-cells = <1>;
};
pmc {
- compatible = "nvidia,tegra20-pmc", "nvidia,tegra30-pmc";
+ compatible = "nvidia,tegra30-pmc";
reg = <0x7000e400 0x400>;
+ clocks = <&tegra_car 218>, <&clk32k_in>;
+ clock-names = "pclk", "clk32k_in";
};
memory-controller {
}
static const char *cclk_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
- "pll_p_cclk", "pll_p_out4_cclk",
- "pll_p_out3_cclk", "clk_d", "pll_x" };
+ "pll_p", "pll_p_out4",
+ "pll_p_out3", "clk_d", "pll_x" };
static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
"pll_p_out3", "pll_p_out2", "clk_d",
"clk_32k", "pll_m_out1" };
{
struct clk *clk;
- /*
- * DIV_U71 dividers for CCLK, these dividers are used only
- * if parent clock is fixed rate.
- */
-
- /*
- * Clock input to cclk divided from pll_p using
- * U71 divider of cclk.
- */
- clk = tegra_clk_register_divider("pll_p_cclk", "pll_p",
- clk_base + SUPER_CCLK_DIVIDER, 0,
- TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
- clk_register_clkdev(clk, "pll_p_cclk", NULL);
-
- /*
- * Clock input to cclk divided from pll_p_out3 using
- * U71 divider of cclk.
- */
- clk = tegra_clk_register_divider("pll_p_out3_cclk", "pll_p_out3",
- clk_base + SUPER_CCLK_DIVIDER, 0,
- TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
- clk_register_clkdev(clk, "pll_p_out3_cclk", NULL);
-
- /*
- * Clock input to cclk divided from pll_p_out4 using
- * U71 divider of cclk.
- */
- clk = tegra_clk_register_divider("pll_p_out4_cclk", "pll_p_out4",
- clk_base + SUPER_CCLK_DIVIDER, 0,
- TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
- clk_register_clkdev(clk, "pll_p_out4_cclk", NULL);
-
/* CCLK */
clk = tegra_clk_register_super_mux("cclk", cclk_parents,
ARRAY_SIZE(cclk_parents), CLK_SET_RATE_PARENT,
TEGRA_CLK_DUPLICATE(usbd, "tegra-ehci.0", NULL),
TEGRA_CLK_DUPLICATE(usbd, "tegra-otg", NULL),
TEGRA_CLK_DUPLICATE(cclk, NULL, "cpu"),
- TEGRA_CLK_DUPLICATE(twd, "smp_twd", NULL),
TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* Must be the last entry */
};
.dev_id = &tegra_clockevent,
};
-static const struct of_device_id timer_match[] __initconst = {
- { .compatible = "nvidia,tegra20-timer" },
- {}
-};
-
-static const struct of_device_id rtc_match[] __initconst = {
- { .compatible = "nvidia,tegra20-rtc" },
- {}
-};
-
-static void __init tegra20_init_timer(void)
+static void __init tegra20_init_timer(struct device_node *np)
{
- struct device_node *np;
struct clk *clk;
unsigned long rate;
int ret;
- np = of_find_matching_node(NULL, timer_match);
- if (!np) {
- pr_err("Failed to find timer DT node\n");
- BUG();
- }
-
timer_reg_base = of_iomap(np, 0);
if (!timer_reg_base) {
pr_err("Can't map timer registers\n");
BUG();
}
- clk = clk_get_sys("timer", NULL);
+ clk = of_clk_get(np, 0);
if (IS_ERR(clk)) {
pr_warn("Unable to get timer clock. Assuming 12Mhz input clock.\n");
rate = 12000000;
of_node_put(np);
- np = of_find_matching_node(NULL, rtc_match);
- if (!np) {
- pr_err("Failed to find RTC DT node\n");
- BUG();
- }
-
- rtc_base = of_iomap(np, 0);
- if (!rtc_base) {
- pr_err("Can't map RTC registers");
- BUG();
- }
-
- /*
- * rtc registers are used by read_persistent_clock, keep the rtc clock
- * enabled
- */
- clk = of_clk_get(np, 0);
- if (IS_ERR(clk))
- pr_warn("Unable to get rtc-tegra clock\n");
- else
- clk_prepare_enable(clk);
-
- of_node_put(np);
-
switch (rate) {
case 12000000:
timer_writel(0x000b, TIMERUS_USEC_CFG);
tegra_clockevent.irq = tegra_timer_irq.irq;
clockevents_config_and_register(&tegra_clockevent, 1000000,
0x1, 0x1fffffff);
-#ifdef CONFIG_HAVE_ARM_TWD
- twd_local_timer_of_register();
-#endif
+}
+CLOCKSOURCE_OF_DECLARE(tegra20_timer, "nvidia,tegra20-timer", tegra20_init_timer);
+
+static void __init tegra20_init_rtc(struct device_node *np)
+{
+ struct clk *clk;
+
+ rtc_base = of_iomap(np, 0);
+ if (!rtc_base) {
+ pr_err("Can't map RTC registers");
+ BUG();
+ }
+
+ /*
+ * rtc registers are used by read_persistent_clock, keep the rtc clock
+ * enabled
+ */
- clk = clk_get_sys("rtc-tegra", NULL);
++ clk = of_clk_get(np, 0);
+ if (IS_ERR(clk))
+ pr_warn("Unable to get rtc-tegra clock\n");
+ else
+ clk_prepare_enable(clk);
+
+ of_node_put(np);
+
register_persistent_clock(NULL, tegra_read_persistent_clock);
}
-CLOCKSOURCE_OF_DECLARE(tegra20, "nvidia,tegra20-timer", tegra20_init_timer);
+CLOCKSOURCE_OF_DECLARE(tegra20_rtc, "nvidia,tegra20-rtc", tegra20_init_rtc);
#ifdef CONFIG_PM
static u32 usec_config;
projects / mirror_ubuntu-zesty-kernel.git / commitdiff