ux500 - add platform data for Nomadik SKE keypad controller

Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 0e8fd135a57dee1d56afb200208d62bf7d756fa8..5265fb9835ccf50d2e8d7e9bed3b6e2ba6018765 100644 (file)
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -18,12 +18,14 @@
 #include <linux/amba/pl022.h>
 #include <linux/spi/spi.h>
 #include <linux/mfd/ab8500.h>
+#include <linux/input/matrix_keypad.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
 #include <plat/pincfg.h>
 #include <plat/i2c.h>
+#include <plat/ske.h>
 
 #include <mach/hardware.h>
 #include <mach/setup.h>
@@ -47,6 +49,24 @@ static pin_cfg_t mop500_pins[] = {
        GPIO11_I2C2_SCL,
        GPIO229_I2C3_SDA,
        GPIO230_I2C3_SCL,
+
+       /* SKE keypad */
+       GPIO153_KP_I7,
+       GPIO154_KP_I6,
+       GPIO155_KP_I5,
+       GPIO156_KP_I4,
+       GPIO157_KP_O7,
+       GPIO158_KP_O6,
+       GPIO159_KP_O5,
+       GPIO160_KP_O4,
+       GPIO161_KP_I3,
+       GPIO162_KP_I2,
+       GPIO163_KP_I1,
+       GPIO164_KP_I0,
+       GPIO165_KP_O3,
+       GPIO166_KP_O2,
+       GPIO167_KP_O1,
+       GPIO168_KP_O0,
 };
 
 static void ab4500_spi_cs_control(u32 command)
@@ -134,12 +154,120 @@ static struct amba_device *amba_devs[] __initdata = {
        &u8500_ssp0_device,
 };
 
+static const unsigned int ux500_keymap[] = {
+       KEY(2, 5, KEY_END),
+       KEY(4, 1, KEY_POWER),
+       KEY(3, 5, KEY_VOLUMEDOWN),
+       KEY(1, 3, KEY_3),
+       KEY(5, 2, KEY_RIGHT),
+       KEY(5, 0, KEY_9),
+
+       KEY(0, 5, KEY_MENU),
+       KEY(7, 6, KEY_ENTER),
+       KEY(4, 5, KEY_0),
+       KEY(6, 7, KEY_2),
+       KEY(3, 4, KEY_UP),
+       KEY(3, 3, KEY_DOWN),
+
+       KEY(6, 4, KEY_SEND),
+       KEY(6, 2, KEY_BACK),
+       KEY(4, 2, KEY_VOLUMEUP),
+       KEY(5, 5, KEY_1),
+       KEY(4, 3, KEY_LEFT),
+       KEY(3, 2, KEY_7),
+};
+
+static const struct matrix_keymap_data ux500_keymap_data = {
+       .keymap         = ux500_keymap,
+       .keymap_size    = ARRAY_SIZE(ux500_keymap),
+};
+
+/*
+ * Nomadik SKE keypad
+ */
+#define ROW_PIN_I0      164
+#define ROW_PIN_I1      163
+#define ROW_PIN_I2      162
+#define ROW_PIN_I3      161
+#define ROW_PIN_I4      156
+#define ROW_PIN_I5      155
+#define ROW_PIN_I6      154
+#define ROW_PIN_I7      153
+#define COL_PIN_O0      168
+#define COL_PIN_O1      167
+#define COL_PIN_O2      166
+#define COL_PIN_O3      165
+#define COL_PIN_O4      160
+#define COL_PIN_O5      159
+#define COL_PIN_O6      158
+#define COL_PIN_O7      157
+
+#define SKE_KPD_MAX_ROWS        8
+#define SKE_KPD_MAX_COLS        8
+
+static int ske_kp_rows[] = {
+       ROW_PIN_I0, ROW_PIN_I1, ROW_PIN_I2, ROW_PIN_I3,
+       ROW_PIN_I4, ROW_PIN_I5, ROW_PIN_I6, ROW_PIN_I7,
+};
+
+/*
+ * ske_set_gpio_row: request and set gpio rows
+ */
+static int ske_set_gpio_row(int gpio)
+{
+       int ret;
+
+       ret = gpio_request(gpio, "ske-kp");
+       if (ret < 0) {
+               pr_err("ske_set_gpio_row: gpio request failed\n");
+               return ret;
+       }
+
+       ret = gpio_direction_output(gpio, 1);
+       if (ret < 0) {
+               pr_err("ske_set_gpio_row: gpio direction failed\n");
+               gpio_free(gpio);
+       }
+
+       return ret;
+}
+
+/*
+ * ske_kp_init - enable the gpio configuration
+ */
+static int ske_kp_init(void)
+{
+       int ret, i;
+
+       for (i = 0; i < SKE_KPD_MAX_ROWS; i++) {
+               ret = ske_set_gpio_row(ske_kp_rows[i]);
+               if (ret < 0) {
+                       pr_err("ske_kp_init: failed init\n");
+                       return ret;
+               }
+       }
+
+       return 0;
+}
+
+static struct ske_keypad_platform_data ske_keypad_board = {
+       .init           = ske_kp_init,
+       .keymap_data    = &ux500_keymap_data,
+       .no_autorepeat  = true,
+       .krow           = SKE_KPD_MAX_ROWS,     /* 8x8 matrix */
+       .kcol           = SKE_KPD_MAX_COLS,
+       .debounce_ms    = 40,                   /* in millsecs */
+};
+
+
+
 /* add any platform devices here - TODO */
 static struct platform_device *platform_devs[] __initdata = {
        &u8500_i2c0_device,
        &ux500_i2c1_device,
        &ux500_i2c2_device,
        &ux500_i2c3_device,
+       &ux500_ske_keypad_device,
 };
 
 static void __init u8500_init_machine(void)
@@ -154,6 +282,7 @@ static void __init u8500_init_machine(void)
        ux500_i2c1_device.dev.platform_data = &u8500_i2c1_data;
        ux500_i2c2_device.dev.platform_data = &u8500_i2c2_data;
        ux500_i2c3_device.dev.platform_data = &u8500_i2c3_data;
+       ux500_ske_keypad_device.dev.platform_data = &ske_keypad_board;
 
        u8500_ssp0_device.dev.platform_data = &ssp0_platform_data;
 

diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c
index d8ab7f184fe439ec2492079a063def04c5e3c690..1675047daf20f74f5f00a1a7e88feab2e5c4f281 100644 (file)
--- a/arch/arm/mach-ux500/clock.c
+++ b/arch/arm/mach-ux500/clock.c
@@ -477,6 +477,7 @@ static struct clk_lookup u8500_common_clks[] = {
        CLK(sdi5,       "sdi5",         NULL),
        CLK(uart2,      "uart2",        NULL),
        CLK(ske,        "ske",          NULL),
+       CLK(ske,        "nmk-ske-keypad",       NULL),
        CLK(sdi2,       "sdi2",         NULL),
        CLK(i2c0,       "nmk-i2c.0",    NULL),
        CLK(fsmc,       "fsmc",         NULL),

diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index 9280d25611117d1224ad48811c7bc85597c18fce..735aaeec2c190410adf60926027286911eb5a44a 100644 (file)
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -216,3 +216,23 @@ void dma40_u8500ed_fixup(void)
        dma40_resources[1].start = U8500_DMA_LCPA_BASE_ED;
        dma40_resources[1].end = U8500_DMA_LCPA_BASE_ED + 2 * SZ_1K - 1;
 }
+
+struct resource keypad_resources[] = {
+       [0] = {
+               .start = U8500_SKE_BASE,
+               .end = U8500_SKE_BASE + SZ_4K - 1,
+               .flags = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start = IRQ_DB8500_KB,
+               .end = IRQ_DB8500_KB,
+               .flags = IORESOURCE_IRQ,
+       },
+};
+
+struct platform_device ux500_ske_keypad_device = {
+       .name = "nmk-ske-keypad",
+       .id = -1,
+       .num_resources = ARRAY_SIZE(keypad_resources),
+       .resource = keypad_resources,
+};

diff --git a/arch/arm/mach-ux500/include/mach/devices.h b/arch/arm/mach-ux500/include/mach/devices.h
index c2b2f257494760ae33d4d41645d85395c12dac1a..12e6606e34b15ddc6a20894309f6bc6fa9e13281 100644 (file)
--- a/arch/arm/mach-ux500/include/mach/devices.h
+++ b/arch/arm/mach-ux500/include/mach/devices.h
@@ -26,6 +26,7 @@ extern struct platform_device ux500_i2c3_device;
 extern struct platform_device u8500_i2c0_device;
 extern struct platform_device u8500_i2c4_device;
 extern struct platform_device u8500_dma40_device;
+extern struct platform_device ux500_ske_keypad_device;
 
 void dma40_u8500ed_fixup(void);
 

diff --git a/arch/arm/mach-ux500/pins-db8500.h b/arch/arm/mach-ux500/pins-db8500.h
index 9055d5d3233c90c906ded7b8030c54db64289839..8cf06494e8c66fc95ab9c6f6a564b77c1e30c133 100644 (file)
--- a/arch/arm/mach-ux500/pins-db8500.h
+++ b/arch/arm/mach-ux500/pins-db8500.h
@@ -459,82 +459,82 @@
 #define GPIO152_KP_O9          PIN_CFG(152, ALT_C)
 
 #define GPIO153_GPIO           PIN_CFG(153, GPIO)
-#define GPIO153_KP_I7          PIN_CFG(153, ALT_A)
+#define GPIO153_KP_I7          PIN_CFG_PULL(153, ALT_A, DOWN)
 #define GPIO153_LCD_D24                PIN_CFG(153, ALT_B)
 #define GPIO153_U2_RXD         PIN_CFG(153, ALT_C)
 
 #define GPIO154_GPIO           PIN_CFG(154, GPIO)
-#define GPIO154_KP_I6          PIN_CFG(154, ALT_A)
+#define GPIO154_KP_I6          PIN_CFG_PULL(154, ALT_A, DOWN)
 #define GPIO154_LCD_D25                PIN_CFG(154, ALT_B)
 #define GPIO154_U2_TXD         PIN_CFG(154, ALT_C)
 
 #define GPIO155_GPIO           PIN_CFG(155, GPIO)
-#define GPIO155_KP_I5          PIN_CFG(155, ALT_A)
+#define GPIO155_KP_I5          PIN_CFG_PULL(155, ALT_A, DOWN)
 #define GPIO155_LCD_D26                PIN_CFG(155, ALT_B)
 #define GPIO155_STMAPE_CLK     PIN_CFG(155, ALT_C)
 
 #define GPIO156_GPIO           PIN_CFG(156, GPIO)
-#define GPIO156_KP_I4          PIN_CFG(156, ALT_A)
+#define GPIO156_KP_I4          PIN_CFG_PULL(156, ALT_A, DOWN)
 #define GPIO156_LCD_D27                PIN_CFG(156, ALT_B)
 #define GPIO156_STMAPE_DAT3    PIN_CFG(156, ALT_C)
 
 #define GPIO157_GPIO           PIN_CFG(157, GPIO)
-#define GPIO157_KP_O7          PIN_CFG(157, ALT_A)
+#define GPIO157_KP_O7          PIN_CFG_PULL(157, ALT_A, UP)
 #define GPIO157_LCD_D28                PIN_CFG(157, ALT_B)
 #define GPIO157_STMAPE_DAT2    PIN_CFG(157, ALT_C)
 
 #define GPIO158_GPIO           PIN_CFG(158, GPIO)
-#define GPIO158_KP_O6          PIN_CFG(158, ALT_A)
+#define GPIO158_KP_O6          PIN_CFG_PULL(158, ALT_A, UP)
 #define GPIO158_LCD_D29                PIN_CFG(158, ALT_B)
 #define GPIO158_STMAPE_DAT1    PIN_CFG(158, ALT_C)
 
 #define GPIO159_GPIO           PIN_CFG(159, GPIO)
-#define GPIO159_KP_O5          PIN_CFG(159, ALT_A)
+#define GPIO159_KP_O5          PIN_CFG_PULL(159, ALT_A, UP)
 #define GPIO159_LCD_D30                PIN_CFG(159, ALT_B)
 #define GPIO159_STMAPE_DAT0    PIN_CFG(159, ALT_C)
 
 #define GPIO160_GPIO           PIN_CFG(160, GPIO)
-#define GPIO160_KP_O4          PIN_CFG(160, ALT_A)
+#define GPIO160_KP_O4          PIN_CFG_PULL(160, ALT_A, UP)
 #define GPIO160_LCD_D31                PIN_CFG(160, ALT_B)
 #define GPIO160_NONE           PIN_CFG(160, ALT_C)
 
 #define GPIO161_GPIO           PIN_CFG(161, GPIO)
-#define GPIO161_KP_I3          PIN_CFG(161, ALT_A)
+#define GPIO161_KP_I3          PIN_CFG_PULL(161, ALT_A, DOWN)
 #define GPIO161_LCD_D32                PIN_CFG(161, ALT_B)
 #define GPIO161_UARTMOD_RXD    PIN_CFG(161, ALT_C)
 
 #define GPIO162_GPIO           PIN_CFG(162, GPIO)
-#define GPIO162_KP_I2          PIN_CFG(162, ALT_A)
+#define GPIO162_KP_I2          PIN_CFG_PULL(162, ALT_A, DOWN)
 #define GPIO162_LCD_D33                PIN_CFG(162, ALT_B)
 #define GPIO162_UARTMOD_TXD    PIN_CFG(162, ALT_C)
 
 #define GPIO163_GPIO           PIN_CFG(163, GPIO)
-#define GPIO163_KP_I1          PIN_CFG(163, ALT_A)
+#define GPIO163_KP_I1          PIN_CFG_PULL(163, ALT_A, DOWN)
 #define GPIO163_LCD_D34                PIN_CFG(163, ALT_B)
 #define GPIO163_STMMOD_CLK     PIN_CFG(163, ALT_C)
 
 #define GPIO164_GPIO           PIN_CFG(164, GPIO)
-#define GPIO164_KP_I0          PIN_CFG(164, ALT_A)
+#define GPIO164_KP_I0          PIN_CFG_PULL(164, ALT_A, UP)
 #define GPIO164_LCD_D35                PIN_CFG(164, ALT_B)
 #define GPIO164_STMMOD_DAT3    PIN_CFG(164, ALT_C)
 
 #define GPIO165_GPIO           PIN_CFG(165, GPIO)
-#define GPIO165_KP_O3          PIN_CFG(165, ALT_A)
+#define GPIO165_KP_O3          PIN_CFG_PULL(165, ALT_A, UP)
 #define GPIO165_LCD_D36                PIN_CFG(165, ALT_B)
 #define GPIO165_STMMOD_DAT2    PIN_CFG(165, ALT_C)
 
 #define GPIO166_GPIO           PIN_CFG(166, GPIO)
-#define GPIO166_KP_O2          PIN_CFG(166, ALT_A)
+#define GPIO166_KP_O2          PIN_CFG_PULL(166, ALT_A, UP)
 #define GPIO166_LCD_D37                PIN_CFG(166, ALT_B)
 #define GPIO166_STMMOD_DAT1    PIN_CFG(166, ALT_C)
 
 #define GPIO167_GPIO           PIN_CFG(167, GPIO)
-#define GPIO167_KP_O1          PIN_CFG(167, ALT_A)
+#define GPIO167_KP_O1          PIN_CFG_PULL(167, ALT_A, UP)
 #define GPIO167_LCD_D38                PIN_CFG(167, ALT_B)
 #define GPIO167_STMMOD_DAT0    PIN_CFG(167, ALT_C)
 
 #define GPIO168_GPIO           PIN_CFG(168, GPIO)
-#define GPIO168_KP_O0          PIN_CFG(168, ALT_A)
+#define GPIO168_KP_O0          PIN_CFG_PULL(168, ALT_A, UP)
 #define GPIO168_LCD_D39                PIN_CFG(168, ALT_B)
 #define GPIO168_NONE           PIN_CFG(168, ALT_C)