diff options
| author | jason-ch chen <Jason-ch.Chen@mediatek.com> | 2023-03-22 16:20:04 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-03-27 12:45:24 +0000 |
| commit | bbf0a418c43ad7b1fec4442a14541910fa9ec2f9 (patch) | |
| tree | dde10c2d3404067249d2df584e8905818b31b81e /src | |
| parent | 69bcf763ab05de9d78b02d8ece9715375570c480 (diff) | |
| download | coreboot-bbf0a418c43ad7b1fec4442a14541910fa9ec2f9.tar.gz coreboot-bbf0a418c43ad7b1fec4442a14541910fa9ec2f9.tar.bz2 coreboot-bbf0a418c43ad7b1fec4442a14541910fa9ec2f9.zip | |
mb/google/geralt: Set up open-drain ChromeOS pins
Set open-drain GPIOs for ChromeOS as input and bias-disable mode.
After applying this patch, the voltage of these pins will become the
expected value 1.8V (previously 1.0V), preventing wrong judgement of
low/high.
Reference document:
MT8188G_GPIO_Formal_Application_Spec_V0.3
BUG=b:274058085
TEST=build pass
Change-Id: I057716df6c59efb84fc395109db022b82ce528c4
Signed-off-by: jason-ch chen <Jason-ch.Chen@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73963
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/geralt/chromeos.c | 12 | ||||
| -rw-r--r-- | src/mainboard/google/geralt/gpio.h | 11 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/mainboard/google/geralt/chromeos.c b/src/mainboard/google/geralt/chromeos.c index ab9f1d665ec3..a6e891703a55 100644 --- a/src/mainboard/google/geralt/chromeos.c +++ b/src/mainboard/google/geralt/chromeos.c @@ -12,8 +12,19 @@ void setup_chromeos_gpios(void) { /* Set up open-drain pins */ gpio_input(GPIO_EC_AP_INT_ODL); + gpio_input(GPIO_EC_AP_HID_INT_ODL); + gpio_input(GPIO_EC_AP_RSVD0_ODL); gpio_input(GPIO_GSC_AP_INT_ODL); gpio_input(GPIO_AP_WP_ODL); + gpio_input(GPIO_EDP_HPD_1V8); + gpio_input(GPIO_EC_AP_HPD_OD); + gpio_input(GPIO_PCIE_WAKE_1V8_ODL); + gpio_input(GPIO_PCIE_CLKREQ_1V8_ODL); + gpio_input(GPIO_SAR_INT_ODL); + gpio_input(GPIO_SD_CD_ODL); + gpio_input(GPIO_HP_INT_ODL); + gpio_input(GPIO_SPKR_INT_ODL); + gpio_input(GPIO_TCHSCR_INT_1V8_L); /* Set up GPOs */ gpio_output(GPIO_AP_EC_WARM_RST_REQ, 0); @@ -21,6 +32,7 @@ void setup_chromeos_gpios(void) gpio_output(GPIO_RST_SPKR_L, 0); gpio_output(GPIO_XHCI_INIT_DONE, 0); gpio_output(GPIO_BEEP_ON_OD, 0); + gpio_output(GPIO_MT7921_PMU_EN_1V8, 0); } void fill_lb_gpios(struct lb_gpios *gpios) diff --git a/src/mainboard/google/geralt/gpio.h b/src/mainboard/google/geralt/gpio.h index c05b8046a2a2..ea8ec5305d05 100644 --- a/src/mainboard/google/geralt/gpio.h +++ b/src/mainboard/google/geralt/gpio.h @@ -10,15 +10,26 @@ #define GPIO_AP_WP_ODL GPIO(GPIO15) #define GPIO_BEEP_ON_OD GPIO(KPROW0) #define GPIO_EC_AP_INT_ODL GPIO(DPI_DE) +#define GPIO_EC_AP_HPD_OD GPIO(DPTX_HPD) +#define GPIO_EC_AP_HID_INT_ODL GPIO(DPI_VSYNC) +#define GPIO_EC_AP_RSVD0_ODL GPIO(MSDC2_DAT1) #define GPIO_EN_SPKR GPIO(I2SIN_D1) #define GPIO_GSC_AP_INT_ODL GPIO(GPIO00) #define GPIO_RST_SPKR_L GPIO(I2SO2_D1) #define GPIO_XHCI_INIT_DONE GPIO(DPI_CK) +#define GPIO_SAR_INT_ODL GPIO(USB1_VBUS_VALID) +#define GPIO_HP_INT_ODL GPIO(I2SIN_BCK) +#define GPIO_SPKR_INT_ODL GPIO(I2SIN_WS) #define GPIO_I2SI1_LRCK GPIO(I2SO2_D2) #define GPIO_I2SI1_BCK GPIO(I2SIN_D3) #define GPIO_I2SO1_D0 GPIO(GPIO11) +#define GPIO_PCIE_WAKE_1V8_ODL GPIO(PCIE_WAKE_N) +#define GPIO_PCIE_CLKREQ_1V8_ODL GPIO(PCIE_CLKREQ_N) +#define GPIO_TCHSCR_INT_1V8_L GPIO(DPI_D12) +#define GPIO_MT7921_PMU_EN_1V8 GPIO(DPI_D14) + #define GPIO_EDP_BL_PWM_1V8 GPIO(DISP_PWM1) #define GPIO_EDP_HPD_1V8 GPIO(GPIO17) #define GPIO_EN_PP3300_EDP_DISP_X GPIO(DSI1_LCM_RST) |