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-rw-r--r--arch/arm/cpu/armv7/exynos/pinmux.c3
-rw-r--r--board/samsung/arndale/arndale.c2
-rw-r--r--board/samsung/common/misc.c2
-rw-r--r--board/samsung/goni/goni.c2
-rw-r--r--board/samsung/smdk5250/exynos5-dt.c7
-rw-r--r--board/samsung/smdk5420/smdk5420.c4
-rw-r--r--board/samsung/trats/trats.c15
-rw-r--r--board/samsung/trats2/trats2.c26
-rw-r--r--board/samsung/universal_c210/universal.c3
-rw-r--r--drivers/mmc/s5p_sdhci.c7
10 files changed, 62 insertions, 9 deletions
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 2caeb3e..3d95dc3 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -172,6 +172,9 @@ static int exynos5420_mmc_config(int peripheral, int flags)
* this same assumption.
*/
if ((peripheral == PERIPH_ID_SDMMC0) && (i == (start + 2))) {
+#ifndef CONFIG_SPL_BUILD
+ gpio_request(i, "sdmmc0_vdden");
+#endif
gpio_set_value(i, 1);
gpio_cfg_pin(i, S5P_GPIO_OUTPUT);
} else {
diff --git a/board/samsung/arndale/arndale.c b/board/samsung/arndale/arndale.c
index e39795d..881d080 100644
--- a/board/samsung/arndale/arndale.c
+++ b/board/samsung/arndale/arndale.c
@@ -19,6 +19,8 @@ int board_usb_init(int index, enum usb_init_type init)
/* Configure gpios for usb 3503 hub:
* disconnect, toggle reset and connect
*/
+ gpio_request(EXYNOS5_GPIO_D17, "usb_connect");
+ gpio_request(EXYNOS5_GPIO_X35, "usb_reset");
gpio_direction_output(EXYNOS5_GPIO_D17, 0);
gpio_direction_output(EXYNOS5_GPIO_X35, 0);
diff --git a/board/samsung/common/misc.c b/board/samsung/common/misc.c
index b935922..4538ac7 100644
--- a/board/samsung/common/misc.c
+++ b/board/samsung/common/misc.c
@@ -411,6 +411,8 @@ void check_boot_mode(void)
void keys_init(void)
{
/* Set direction to input */
+ gpio_request(KEY_VOL_UP_GPIO, "volume-up");
+ gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
gpio_direction_input(KEY_VOL_UP_GPIO);
gpio_direction_input(KEY_VOL_DOWN_GPIO);
}
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index 4cee78b..58cf96e 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -90,6 +90,7 @@ int board_mmc_init(bd_t *bis)
int i, ret, ret_sd = 0;
/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
+ gpio_request(S5PC110_GPIO_J27, "massmemory_en");
gpio_direction_output(S5PC110_GPIO_J27, 1);
/*
@@ -118,6 +119,7 @@ int board_mmc_init(bd_t *bis)
* SD card (T_FLASH) detect and init
* T_FLASH_DETECT: EINT28: GPH3[4] input mode
*/
+ gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c
index d6ce133..53ff706 100644
--- a/board/samsung/smdk5250/exynos5-dt.c
+++ b/board/samsung/smdk5250/exynos5-dt.c
@@ -29,6 +29,7 @@ DECLARE_GLOBAL_DATA_PTR;
static void board_enable_audio_codec(void)
{
/* Enable MAX98095 Codec */
+ gpio_request(EXYNOS5_GPIO_X17, "max98095_enable");
gpio_direction_output(EXYNOS5_GPIO_X17, 1);
gpio_set_pull(EXYNOS5_GPIO_X17, S5P_GPIO_PULL_NONE);
}
@@ -199,16 +200,19 @@ static int board_dp_bridge_setup(void)
/* Setup the GPIOs */
/* PD is ACTIVE_LOW, and initially de-asserted */
+ gpio_request(EXYNOS5_GPIO_Y25, "dp_bridge_pd");
gpio_set_pull(EXYNOS5_GPIO_Y25, S5P_GPIO_PULL_NONE);
gpio_direction_output(EXYNOS5_GPIO_Y25, 1);
/* Reset is ACTIVE_LOW */
+ gpio_request(EXYNOS5_GPIO_X15, "dp_bridge_reset");
gpio_set_pull(EXYNOS5_GPIO_X15, S5P_GPIO_PULL_NONE);
gpio_direction_output(EXYNOS5_GPIO_X15, 0);
udelay(10);
gpio_set_value(EXYNOS5_GPIO_X15, 1);
+ gpio_request(EXYNOS5_GPIO_X07, "dp_bridge_hpd");
gpio_direction_input(EXYNOS5_GPIO_X07);
/*
@@ -236,10 +240,12 @@ static int board_dp_bridge_setup(void)
void exynos_cfg_lcd_gpio(void)
{
/* For Backlight */
+ gpio_request(EXYNOS5_GPIO_B20, "lcd_backlight");
gpio_cfg_pin(EXYNOS5_GPIO_B20, S5P_GPIO_OUTPUT);
gpio_set_value(EXYNOS5_GPIO_B20, 1);
/* LCD power on */
+ gpio_request(EXYNOS5_GPIO_X15, "lcd_power");
gpio_cfg_pin(EXYNOS5_GPIO_X15, S5P_GPIO_OUTPUT);
gpio_set_value(EXYNOS5_GPIO_X15, 1);
@@ -276,6 +282,7 @@ void exynos_backlight_on(unsigned int on)
mdelay(10);
/* board_dp_backlight_en */
+ gpio_request(EXYNOS5_GPIO_X30, "board_dp_backlight_en");
gpio_direction_output(EXYNOS5_GPIO_X30, 1);
#endif
}
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c
index 47998ab..a691222 100644
--- a/board/samsung/smdk5420/smdk5420.c
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -74,9 +74,12 @@ void exynos_lcd_power_on(void)
mdelay(5);
/* TODO(ajaykumar.rs@samsung.com): Use device tree */
+ gpio_request(EXYNOS5420_GPIO_X35, "edp_slp#");
gpio_direction_output(EXYNOS5420_GPIO_X35, 1); /* EDP_SLP# */
mdelay(10);
+ gpio_request(EXYNOS5420_GPIO_Y77, "edp_rst#");
gpio_direction_output(EXYNOS5420_GPIO_Y77, 1); /* EDP_RST# */
+ gpio_request(EXYNOS5420_GPIO_X26, "edp_hpd");
gpio_direction_input(EXYNOS5420_GPIO_X26); /* EDP_HPD */
gpio_set_pull(EXYNOS5420_GPIO_X26, S5P_GPIO_PULL_NONE);
@@ -88,6 +91,7 @@ void exynos_lcd_power_on(void)
void exynos_backlight_on(unsigned int onoff)
{
/* For PWM */
+ gpio_request(EXYNOS5420_GPIO_B20, "backlight_on");
gpio_cfg_pin(EXYNOS5420_GPIO_B20, S5P_GPIO_FUNC(0x1));
gpio_set_value(EXYNOS5420_GPIO_B20, 1);
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
index 9e76b5d..e163e45 100644
--- a/board/samsung/trats/trats.c
+++ b/board/samsung/trats/trats.c
@@ -63,6 +63,8 @@ void i2c_init_board(void)
}
/* I2C_8 -> FG */
+ gpio_request(EXYNOS4_GPIO_Y40, "i2c_clk");
+ gpio_request(EXYNOS4_GPIO_Y41, "i2c_data");
gpio_direction_output(EXYNOS4_GPIO_Y40, 1);
gpio_direction_output(EXYNOS4_GPIO_Y41, 1);
}
@@ -346,12 +348,17 @@ int exynos_power_init(void)
static unsigned int get_hw_revision(void)
{
int hwrev = 0;
+ char str[10];
int i;
/* hw_rev[3:0] == GPE1[3:0] */
- for (i = EXYNOS4_GPIO_E10; i < EXYNOS4_GPIO_E14; i++) {
- gpio_cfg_pin(i, S5P_GPIO_INPUT);
- gpio_set_pull(i, S5P_GPIO_PULL_NONE);
+ for (i = 0; i < 4; i++) {
+ int pin = i + EXYNOS4_GPIO_E10;
+
+ sprintf(str, "hw_rev%d", i);
+ gpio_request(pin, str);
+ gpio_cfg_pin(pin, S5P_GPIO_INPUT);
+ gpio_set_pull(pin, S5P_GPIO_PULL_NONE);
}
udelay(1);
@@ -517,6 +524,7 @@ static void board_power_init(void)
static void exynos_uart_init(void)
{
/* UART_SEL GPY4[7] (part2) at EXYNOS4 */
+ gpio_request(EXYNOS4_GPIO_Y47, "uart_sel");
gpio_set_pull(EXYNOS4_GPIO_Y47, S5P_GPIO_PULL_UP);
gpio_direction_output(EXYNOS4_GPIO_Y47, 1);
}
@@ -534,6 +542,7 @@ int exynos_early_init_f(void)
void exynos_reset_lcd(void)
{
+ gpio_request(EXYNOS4_GPIO_Y45, "lcd_reset");
gpio_direction_output(EXYNOS4_GPIO_Y45, 1);
udelay(10000);
gpio_direction_output(EXYNOS4_GPIO_Y45, 0);
diff --git a/board/samsung/trats2/trats2.c b/board/samsung/trats2/trats2.c
index 2924ee6..a737749 100644
--- a/board/samsung/trats2/trats2.c
+++ b/board/samsung/trats2/trats2.c
@@ -33,6 +33,7 @@ static inline u32 get_model_rev(void);
static void check_hw_revision(void)
{
int modelrev = 0;
+ char str[12];
int i;
/*
@@ -41,13 +42,22 @@ static void check_hw_revision(void)
* TRM say that it may cause unexcepted state and leakage current.
* and pull-none is only for output function.
*/
- for (i = EXYNOS4X12_GPIO_M10; i < EXYNOS4X12_GPIO_M12; i++)
- gpio_cfg_pin(i, S5P_GPIO_INPUT);
+ for (i = 0; i < 2; i++) {
+ int pin = i + EXYNOS4X12_GPIO_M10;
+
+ sprintf(str, "model_rev%d", i);
+ gpio_request(pin, str);
+ gpio_cfg_pin(pin, S5P_GPIO_INPUT);
+ }
/* GPM1[5:2]: HW_REV[3:0] */
- for (i = EXYNOS4X12_GPIO_M12; i < EXYNOS4X12_GPIO_M16; i++) {
- gpio_cfg_pin(i, S5P_GPIO_INPUT);
- gpio_set_pull(i, S5P_GPIO_PULL_NONE);
+ for (i = 0; i < 4; i++) {
+ int pin = i + EXYNOS4X12_GPIO_M12;
+
+ sprintf(str, "hw_rev%d", i);
+ gpio_request(pin, str);
+ gpio_cfg_pin(pin, S5P_GPIO_INPUT);
+ gpio_set_pull(pin, S5P_GPIO_PULL_NONE);
}
/* GPM1[1:0]: MODEL_REV[1:0] */
@@ -103,10 +113,14 @@ static void board_init_i2c(void)
}
/* I2C_8 */
+ gpio_request(EXYNOS4X12_GPIO_F14, "i2c8_clk");
+ gpio_request(EXYNOS4X12_GPIO_F15, "i2c8_data");
gpio_direction_output(EXYNOS4X12_GPIO_F14, 1);
gpio_direction_output(EXYNOS4X12_GPIO_F15, 1);
/* I2C_9 */
+ gpio_request(EXYNOS4X12_GPIO_M21, "i2c9_clk");
+ gpio_request(EXYNOS4X12_GPIO_M20, "i2c9_data");
gpio_direction_output(EXYNOS4X12_GPIO_M21, 1);
gpio_direction_output(EXYNOS4X12_GPIO_M20, 1);
}
@@ -388,6 +402,7 @@ void exynos_lcd_power_on(void)
struct pmic *p = pmic_get("MAX77686_PMIC");
/* LCD_2.2V_EN: GPC0[1] */
+ gpio_request(EXYNOS4X12_GPIO_C01, "lcd_2v2_en");
gpio_set_pull(EXYNOS4X12_GPIO_C01, S5P_GPIO_PULL_UP);
gpio_direction_output(EXYNOS4X12_GPIO_C01, 1);
@@ -400,6 +415,7 @@ void exynos_lcd_power_on(void)
void exynos_reset_lcd(void)
{
/* reset lcd */
+ gpio_request(EXYNOS4X12_GPIO_F21, "lcd_reset");
gpio_direction_output(EXYNOS4X12_GPIO_F21, 0);
udelay(10);
gpio_set_value(EXYNOS4X12_GPIO_F21, 1);
diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
index f9d3325..c04f48c 100644
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -330,6 +330,7 @@ void exynos_cfg_lcd_gpio(void)
}
/* gpio pad configuration for LCD reset. */
+ gpio_request(EXYNOS4_GPIO_Y45, "lcd_reset");
gpio_cfg_pin(EXYNOS4_GPIO_Y45, S5P_GPIO_OUTPUT);
spi_init();
@@ -386,6 +387,7 @@ int exynos_init(void)
* you should set it HIGH since it removes the inverter
*/
/* MASSMEMORY_EN: XMDMDATA_6: GPE3[6] */
+ gpio_request(EXYNOS4_GPIO_E36, "ldo_en");
gpio_direction_output(EXYNOS4_GPIO_E36, 0);
break;
default:
@@ -394,6 +396,7 @@ int exynos_init(void)
* But set it as HIGH to ensure
*/
/* MASSMEMORY_EN: XMDMADDR_3: GPE1[3] */
+ gpio_request(EXYNOS4_GPIO_E13, "massmemory_en");
gpio_direction_output(EXYNOS4_GPIO_E13, 1);
break;
}
diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
index 637dd97..0dea45d 100644
--- a/drivers/mmc/s5p_sdhci.c
+++ b/drivers/mmc/s5p_sdhci.c
@@ -102,6 +102,7 @@ struct sdhci_host sdhci_host[SDHCI_MAX_HOSTS];
static int do_sdhci_init(struct sdhci_host *host)
{
+ char str[20];
int dev_id, flag;
int err = 0;
@@ -109,6 +110,8 @@ static int do_sdhci_init(struct sdhci_host *host)
dev_id = host->index + PERIPH_ID_SDMMC0;
if (fdt_gpio_isvalid(&host->pwr_gpio)) {
+ sprintf(str, "sdhci%d_power", host->index & 0xf);
+ gpio_request(host->pwr_gpio.gpio, str);
gpio_direction_output(host->pwr_gpio.gpio, 1);
err = exynos_pinmux_config(dev_id, flag);
if (err) {
@@ -118,7 +121,9 @@ static int do_sdhci_init(struct sdhci_host *host)
}
if (fdt_gpio_isvalid(&host->cd_gpio)) {
- gpio_direction_output(host->cd_gpio.gpio, 0xf);
+ sprintf(str, "sdhci%d_cd", host->index & 0xf);
+ gpio_request(host->cd_gpio.gpio, str);
+ gpio_direction_output(host->cd_gpio.gpio, 1);
if (gpio_get_value(host->cd_gpio.gpio))
return -ENODEV;
generated by cgit v1.1 at 2024-12-25 21:59:35 +0000