]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blobdiff - arch/sh/boards/mach-ecovec24/setup.c
Merge branch 'sh/dmaengine' into sh-latest
[mirror_ubuntu-jammy-kernel.git] / arch / sh / boards / mach-ecovec24 / setup.c
index 4158d70c0dea3675e44582be719b57076876bb04..a06c5c8a14a830ec0e1647e72a3d62cae32a24f4 100644 (file)
@@ -19,6 +19,8 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/delay.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/usb/renesas_usbhs.h>
 #include <linux/i2c.h>
@@ -518,10 +520,86 @@ static struct i2c_board_info ts_i2c_clients = {
        .irq            = IRQ0,
 };
 
+static struct regulator_consumer_supply cn12_power_consumers[] =
+{
+       REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+       REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+       REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+       REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
+static struct regulator_init_data cn12_power_init_data = {
+       .constraints = {
+               .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+       },
+       .num_consumer_supplies  = ARRAY_SIZE(cn12_power_consumers),
+       .consumer_supplies      = cn12_power_consumers,
+};
+
+static struct fixed_voltage_config cn12_power_info = {
+       .supply_name = "CN12 SD/MMC Vdd",
+       .microvolts = 3300000,
+       .gpio = GPIO_PTB7,
+       .enable_high = 1,
+       .init_data = &cn12_power_init_data,
+};
+
+static struct platform_device cn12_power = {
+       .name = "reg-fixed-voltage",
+       .id   = 0,
+       .dev  = {
+               .platform_data = &cn12_power_info,
+       },
+};
+
 #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
 /* SDHI0 */
+static struct regulator_consumer_supply sdhi0_power_consumers[] =
+{
+       REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+       REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
+static struct regulator_init_data sdhi0_power_init_data = {
+       .constraints = {
+               .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+       },
+       .num_consumer_supplies  = ARRAY_SIZE(sdhi0_power_consumers),
+       .consumer_supplies      = sdhi0_power_consumers,
+};
+
+static struct fixed_voltage_config sdhi0_power_info = {
+       .supply_name = "CN11 SD/MMC Vdd",
+       .microvolts = 3300000,
+       .gpio = GPIO_PTB6,
+       .enable_high = 1,
+       .init_data = &sdhi0_power_init_data,
+};
+
+static struct platform_device sdhi0_power = {
+       .name = "reg-fixed-voltage",
+       .id   = 1,
+       .dev  = {
+               .platform_data = &sdhi0_power_info,
+       },
+};
+
 static void sdhi0_set_pwr(struct platform_device *pdev, int state)
 {
+       static int power_gpio = -EINVAL;
+
+       if (power_gpio < 0) {
+               int ret = gpio_request(GPIO_PTB6, NULL);
+               if (!ret) {
+                       power_gpio = GPIO_PTB6;
+                       gpio_direction_output(power_gpio, 0);
+               }
+       }
+
+       /*
+        * Toggle the GPIO regardless, whether we managed to grab it above or
+        * the fixed regulator driver did.
+        */
        gpio_set_value(GPIO_PTB6, state);
 }
 
@@ -562,13 +640,27 @@ static struct platform_device sdhi0_device = {
        },
 };
 
-#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
-/* SDHI1 */
-static void sdhi1_set_pwr(struct platform_device *pdev, int state)
+static void cn12_set_pwr(struct platform_device *pdev, int state)
 {
+       static int power_gpio = -EINVAL;
+
+       if (power_gpio < 0) {
+               int ret = gpio_request(GPIO_PTB7, NULL);
+               if (!ret) {
+                       power_gpio = GPIO_PTB7;
+                       gpio_direction_output(power_gpio, 0);
+               }
+       }
+
+       /*
+        * Toggle the GPIO regardless, whether we managed to grab it above or
+        * the fixed regulator driver did.
+        */
        gpio_set_value(GPIO_PTB7, state);
 }
 
+#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
+/* SDHI1 */
 static int sdhi1_get_cd(struct platform_device *pdev)
 {
        return !gpio_get_value(GPIO_PTW7);
@@ -579,7 +671,7 @@ static struct sh_mobile_sdhi_info sdhi1_info = {
        .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
        .tmio_caps      = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD |
                          MMC_CAP_NEEDS_POLL,
-       .set_pwr        = sdhi1_set_pwr,
+       .set_pwr        = cn12_set_pwr,
        .get_cd         = sdhi1_get_cd,
 };
 
@@ -899,14 +991,9 @@ static struct platform_device vou_device = {
 
 #if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
 /* SH_MMCIF */
-static void mmcif_set_pwr(struct platform_device *pdev, int state)
-{
-       gpio_set_value(GPIO_PTB7, state);
-}
-
 static void mmcif_down_pwr(struct platform_device *pdev)
 {
-       gpio_set_value(GPIO_PTB7, 0);
+       cn12_set_pwr(pdev, 0);
 }
 
 static struct resource sh_mmcif_resources[] = {
@@ -929,7 +1016,7 @@ static struct resource sh_mmcif_resources[] = {
 };
 
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
-       .set_pwr        = mmcif_set_pwr,
+       .set_pwr        = cn12_set_pwr,
        .down_pwr       = mmcif_down_pwr,
        .sup_pclk       = 0, /* SH7724: Max Pclk/2 */
        .caps           = MMC_CAP_4_BIT_DATA |
@@ -960,7 +1047,9 @@ static struct platform_device *ecovec_devices[] __initdata = {
        &ceu0_device,
        &ceu1_device,
        &keysc_device,
+       &cn12_power,
 #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
+       &sdhi0_power,
        &sdhi0_device,
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
        &sdhi1_device,
@@ -1258,8 +1347,6 @@ static int __init arch_setup(void)
        gpio_request(GPIO_FN_SDHI0D2,  NULL);
        gpio_request(GPIO_FN_SDHI0D1,  NULL);
        gpio_request(GPIO_FN_SDHI0D0,  NULL);
-       gpio_request(GPIO_PTB6, NULL);
-       gpio_direction_output(GPIO_PTB6, 0);
 #else
        /* enable MSIOF0 on CN11 (needs DS2.4 set to OFF) */
        gpio_request(GPIO_FN_MSIOF0_TXD, NULL);
@@ -1288,8 +1375,6 @@ static int __init arch_setup(void)
        gpio_request(GPIO_FN_MMC_D0, NULL);
        gpio_request(GPIO_FN_MMC_CLK, NULL);
        gpio_request(GPIO_FN_MMC_CMD, NULL);
-       gpio_request(GPIO_PTB7, NULL);
-       gpio_direction_output(GPIO_PTB7, 0);
 
        cn12_enabled = true;
 #elif defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
@@ -1301,8 +1386,6 @@ static int __init arch_setup(void)
        gpio_request(GPIO_FN_SDHI1D2,  NULL);
        gpio_request(GPIO_FN_SDHI1D1,  NULL);
        gpio_request(GPIO_FN_SDHI1D0,  NULL);
-       gpio_request(GPIO_PTB7, NULL);
-       gpio_direction_output(GPIO_PTB7, 0);
 
        /* Card-detect, used on CN12 with SDHI1 */
        gpio_request(GPIO_PTW7, NULL);