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-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c125
1 files changed, 108 insertions, 17 deletions
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 4158d70c0dea..64559e8af14b 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -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>
@@ -242,9 +244,17 @@ static int usbhs_get_id(struct platform_device *pdev)
return gpio_get_value(GPIO_PTB3);
}
+static void usbhs_phy_reset(struct platform_device *pdev)
+{
+ /* enable vbus if HOST */
+ if (!gpio_get_value(GPIO_PTB3))
+ gpio_set_value(GPIO_PTB5, 1);
+}
+
static struct renesas_usbhs_platform_info usbhs_info = {
.platform_callback = {
.get_id = usbhs_get_id,
+ .phy_reset = usbhs_phy_reset,
},
.driver_param = {
.buswait_bwait = 4,
@@ -518,10 +528,86 @@ 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 +648,27 @@ 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 +679,7 @@ 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 +999,9 @@ 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 +1024,7 @@ 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 +1055,9 @@ 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 +1355,6 @@ 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 +1383,6 @@ 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 +1394,6 @@ 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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.