ARM: shmobile: kota2: Use leds-pwm + pwm-rmob

Instead of using the LED-specific TPU PWM driver, switch to the generic
TPU PWM driver with leds-pwm.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

2 files changed, 90 insertions, 91 deletions

diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index ef5ca0ef0cb5..6af20d909bdb 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -26,6 +26,7 @@
 #include <linux/irq.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/pinctrl/pinconf-generic.h>
+#include <linux/platform_data/pwm-renesas-tpu.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/io.h>
@@ -37,8 +38,8 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/gpio_keys.h>
 #include <linux/leds.h>
+#include <linux/leds_pwm.h>
 #include <linux/irqchip/arm-gic.h>
-#include <linux/platform_data/leds-renesas-tpu.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/mfd/tmio.h>
@@ -186,116 +187,100 @@ static struct platform_device gpio_leds_device = {
 };
 
 /* TPU LED */
-static struct led_renesas_tpu_config led_renesas_tpu12_pdata = {
-        .name           = "V2513",
-        .pin_gpio_fn    = GPIO_FN_TPU1TO2,
-        .pin_gpio       = 153,
-        .channel_offset = 0x90,
-        .timer_bit = 2,
-        .max_brightness = 1000,
-};
-
-static struct resource tpu12_resources[] = {
+static struct resource tpu1_pwm_resources[] = {
         [0] = {
-                .name   = "TPU12",
-                .start  = 0xe6610090,
-                .end    = 0xe66100b5,
+                .start  = 0xe6610000,
+                .end    = 0xe66100ff,
                 .flags  = IORESOURCE_MEM,
         },
 };
 
-static struct platform_device leds_tpu12_device = {
-        .name = "leds-renesas-tpu",
-        .id = 12,
-        .dev = {
-                .platform_data  = &led_renesas_tpu12_pdata,
-        },
-        .num_resources  = ARRAY_SIZE(tpu12_resources),
-        .resource       = tpu12_resources,
+static struct platform_device tpu1_pwm_device = {
+        .name = "renesas-tpu-pwm",
+        .id = 1,
+        .num_resources  = ARRAY_SIZE(tpu1_pwm_resources),
+        .resource       = tpu1_pwm_resources,
 };
 
-static struct led_renesas_tpu_config led_renesas_tpu41_pdata = {
-        .name           = "V2514",
-        .pin_gpio_fn    = GPIO_FN_TPU4TO1,
-        .pin_gpio       = 199,
-        .channel_offset = 0x50,
-        .timer_bit = 1,
-        .max_brightness = 1000,
-};
-
-static struct resource tpu41_resources[] = {
+static struct resource tpu2_pwm_resources[] = {
         [0] = {
-                .name   = "TPU41",
-                .start  = 0xe6640050,
-                .end    = 0xe6640075,
+                .start  = 0xe6620000,
+                .end    = 0xe66200ff,
                 .flags  = IORESOURCE_MEM,
         },
 };
 
-static struct platform_device leds_tpu41_device = {
-        .name = "leds-renesas-tpu",
-        .id = 41,
-        .dev = {
-                .platform_data  = &led_renesas_tpu41_pdata,
+static struct platform_device tpu2_pwm_device = {
+        .name = "renesas-tpu-pwm",
+        .id = 2,
+        .num_resources  = ARRAY_SIZE(tpu2_pwm_resources),
+        .resource       = tpu2_pwm_resources,
+};
+
+static struct resource tpu3_pwm_resources[] = {
+        [0] = {
+                .start  = 0xe6630000,
+                .end    = 0xe66300ff,
+                .flags  = IORESOURCE_MEM,
         },
-        .num_resources  = ARRAY_SIZE(tpu41_resources),
-        .resource       = tpu41_resources,
 };
 
-static struct led_renesas_tpu_config led_renesas_tpu21_pdata = {
-        .name           = "V2515",
-        .pin_gpio_fn    = GPIO_FN_TPU2TO1,
-        .pin_gpio       = 197,
-        .channel_offset = 0x50,
-        .timer_bit = 1,
-        .max_brightness = 1000,
+static struct platform_device tpu3_pwm_device = {
+        .name = "renesas-tpu-pwm",
+        .id = 3,
+        .num_resources  = ARRAY_SIZE(tpu3_pwm_resources),
+        .resource       = tpu3_pwm_resources,
 };
 
-static struct resource tpu21_resources[] = {
+static struct resource tpu4_pwm_resources[] = {
         [0] = {
-                .name   = "TPU21",
-                .start  = 0xe6620050,
-                .end    = 0xe6620075,
+                .start  = 0xe6640000,
+                .end    = 0xe66400ff,
                 .flags  = IORESOURCE_MEM,
         },
 };
 
-static struct platform_device leds_tpu21_device = {
-        .name = "leds-renesas-tpu",
-        .id = 21,
-        .dev = {
-                .platform_data  = &led_renesas_tpu21_pdata,
+static struct platform_device tpu4_pwm_device = {
+        .name = "renesas-tpu-pwm",
+        .id = 4,
+        .num_resources  = ARRAY_SIZE(tpu4_pwm_resources),
+        .resource       = tpu4_pwm_resources,
+};
+
+static struct pwm_lookup pwm_lookup[] = {
+        PWM_LOOKUP("renesas-tpu-pwm.1", 2, "leds-pwm.0", "V2513"),
+        PWM_LOOKUP("renesas-tpu-pwm.2", 1, "leds-pwm.0", "V2515"),
+        PWM_LOOKUP("renesas-tpu-pwm.3", 0, "leds-pwm.0", "KEYLED"),
+        PWM_LOOKUP("renesas-tpu-pwm.4", 1, "leds-pwm.0", "V2514"),
+};
+
+static struct led_pwm tpu_pwm_leds[] = {
+        {
+                .name           = "V2513",
+                .max_brightness = 1000,
+        }, {
+                .name           = "V2515",
+                .max_brightness = 1000,
+        }, {
+                .name           = "KEYLED",
+                .max_brightness = 1000,
+        }, {
+                .name           = "V2514",
+                .max_brightness = 1000,
         },
-        .num_resources  = ARRAY_SIZE(tpu21_resources),
-        .resource       = tpu21_resources,
 };
 
-static struct led_renesas_tpu_config led_renesas_tpu30_pdata = {
-        .name           = "KEYLED",
-        .pin_gpio_fn    = GPIO_FN_TPU3TO0,
-        .pin_gpio       = 163,
-        .channel_offset = 0x10,
-        .timer_bit = 0,
-        .max_brightness = 1000,
+static struct led_pwm_platform_data leds_pwm_pdata = {
+        .num_leds = ARRAY_SIZE(tpu_pwm_leds),
+        .leds = tpu_pwm_leds,
 };
 
-static struct resource tpu30_resources[] = {
-        [0] = {
-                .name   = "TPU30",
-                .start  = 0xe6630010,
-                .end    = 0xe6630035,
-                .flags  = IORESOURCE_MEM,
-        },
-};
-
-static struct platform_device leds_tpu30_device = {
-        .name = "leds-renesas-tpu",
-        .id = 30,
+static struct platform_device leds_pwm_device = {
+        .name = "leds-pwm",
+        .id = 0,
         .dev = {
-                .platform_data  = &led_renesas_tpu30_pdata,
+                .platform_data = &leds_pwm_pdata,
         },
-        .num_resources  = ARRAY_SIZE(tpu30_resources),
-        .resource       = tpu30_resources,
 };
 
 /* Fixed 1.8V regulator to be used by MMCIF */
@@ -426,10 +411,11 @@ static struct platform_device *kota2_devices[] __initdata = {
         &keysc_device,
         &gpio_keys_device,
         &gpio_leds_device,
-        &leds_tpu12_device,
-        &leds_tpu41_device,
-        &leds_tpu21_device,
-        &leds_tpu30_device,
+        &tpu1_pwm_device,
+        &tpu2_pwm_device,
+        &tpu3_pwm_device,
+        &tpu4_pwm_device,
+        &leds_pwm_device,
         &mmcif_device,
         &sdhi0_device,
         &sdhi1_device,
@@ -512,6 +498,15 @@ static const struct pinctrl_map kota2_pinctrl_map[] = {
                                   "bsc_cs5_a", "bsc"),
         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x.0", "pfc-sh73a0",
                                   "bsc_we0", "bsc"),
+        /* TPU */
+        PIN_MAP_MUX_GROUP_DEFAULT("renesas-tpu-pwm.1", "pfc-sh73a0",
+                                  "tpu1_to2", "tpu1"),
+        PIN_MAP_MUX_GROUP_DEFAULT("renesas-tpu-pwm.2", "pfc-sh73a0",
+                                  "tpu2_to1", "tpu2"),
+        PIN_MAP_MUX_GROUP_DEFAULT("renesas-tpu-pwm.3", "pfc-sh73a0",
+                                  "tpu3_to0", "tpu3"),
+        PIN_MAP_MUX_GROUP_DEFAULT("renesas-tpu-pwm.4", "pfc-sh73a0",
+                                  "tpu4_to1", "tpu4"),
 };
 
 static void __init kota2_init(void)
@@ -524,6 +519,8 @@ static void __init kota2_init(void)
 
         pinctrl_register_mappings(kota2_pinctrl_map,
                                   ARRAY_SIZE(kota2_pinctrl_map));
+        pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
+
         sh73a0_pinmux_init();
 
         /* SMSC911X */
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index d9fd0336b910..1942eaef5181 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -555,7 +555,7 @@ enum { MSTP001,
         MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
         MSTP331, MSTP329, MSTP328, MSTP325, MSTP323, MSTP322,
         MSTP314, MSTP313, MSTP312, MSTP311,
-        MSTP303, MSTP302, MSTP301, MSTP300,
+        MSTP304, MSTP303, MSTP302, MSTP301, MSTP300,
         MSTP411, MSTP410, MSTP403,
         MSTP_NR };
 
@@ -593,6 +593,7 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
         [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
         [MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */
+        [MSTP304] = MSTP(&main_div2_clk, SMSTPCR3, 4, 0), /* TPU0 */
         [MSTP303] = MSTP(&main_div2_clk, SMSTPCR3, 3, 0), /* TPU1 */
         [MSTP302] = MSTP(&main_div2_clk, SMSTPCR3, 2, 0), /* TPU2 */
         [MSTP301] = MSTP(&main_div2_clk, SMSTPCR3, 1, 0), /* TPU3 */
@@ -669,10 +670,11 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("e6bd0000.mmcif", &mstp_clks[MSTP312]), /* MMCIF0 */
         CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */
         CLKDEV_DEV_ID("ee140000.sdhi", &mstp_clks[MSTP311]), /* SDHI2 */
-        CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */
-        CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */
-        CLKDEV_DEV_ID("leds-renesas-tpu.30", &mstp_clks[MSTP301]), /* TPU3 */
-        CLKDEV_DEV_ID("leds-renesas-tpu.41", &mstp_clks[MSTP300]), /* TPU4 */
+        CLKDEV_DEV_ID("renesas-tpu-pwm.0", &mstp_clks[MSTP304]), /* TPU0 */
+        CLKDEV_DEV_ID("renesas-tpu-pwm.1", &mstp_clks[MSTP303]), /* TPU1 */
+        CLKDEV_DEV_ID("renesas-tpu-pwm.2", &mstp_clks[MSTP302]), /* TPU2 */
+        CLKDEV_DEV_ID("renesas-tpu-pwm.3", &mstp_clks[MSTP301]), /* TPU3 */
+        CLKDEV_DEV_ID("renesas-tpu-pwm.4", &mstp_clks[MSTP300]), /* TPU4 */
         CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
         CLKDEV_DEV_ID("e6826000.i2c", &mstp_clks[MSTP411]), /* I2C3 */
         CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */