diff options
| -rw-r--r-- | src/mainboard/google/geralt/chromeos.c | 3 | ||||
| -rw-r--r-- | src/mainboard/google/geralt/panel.h | 3 | ||||
| -rw-r--r-- | src/mainboard/google/geralt/panel_geralt.c | 32 |
3 files changed, 38 insertions, 0 deletions
diff --git a/src/mainboard/google/geralt/chromeos.c b/src/mainboard/google/geralt/chromeos.c index 1723e6bfa8..83c0ddcc27 100644 --- a/src/mainboard/google/geralt/chromeos.c +++ b/src/mainboard/google/geralt/chromeos.c @@ -6,6 +6,7 @@ #include <security/tpm/tis.h> #include "gpio.h" +#include "panel.h" void setup_chromeos_gpios(void) { @@ -28,6 +29,8 @@ void fill_lb_gpios(struct lb_gpios *gpios) {GPIO_EN_SPKR.id, ACTIVE_HIGH, -1, "speaker enable"}, }; lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); + + fill_lp_backlight_gpios(gpios); } int tis_plat_irq_status(void) diff --git a/src/mainboard/google/geralt/panel.h b/src/mainboard/google/geralt/panel.h index 40e880b6c6..11b7fb0918 100644 --- a/src/mainboard/google/geralt/panel.h +++ b/src/mainboard/google/geralt/panel.h @@ -3,6 +3,7 @@ #ifndef __MAINBOARD_GOOGLE_GERALT_PANEL_H__ #define __MAINBOARD_GOOGLE_GERALT_PANEL_H__ +#include <boot/coreboot_tables.h> #include <mipi/panel.h> #include <soc/ddp.h> @@ -12,8 +13,10 @@ struct panel_description { void (*power_on)(void); void (*configure_panel_backlight)(void); enum disp_path_sel disp_path; + bool pwm_ctrl_gpio; }; +void fill_lp_backlight_gpios(struct lb_gpios *gpios); uint32_t panel_id(void); struct panel_description *get_panel_description(uint32_t panel_id); struct panel_description *get_active_panel(void); diff --git a/src/mainboard/google/geralt/panel_geralt.c b/src/mainboard/google/geralt/panel_geralt.c index d37d68a825..dfcd721fd3 100644 --- a/src/mainboard/google/geralt/panel_geralt.c +++ b/src/mainboard/google/geralt/panel_geralt.c @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include <boardid.h> +#include <boot/coreboot_tables.h> #include <gpio.h> #include <soc/gpio_common.h> #include <string.h> @@ -35,12 +36,14 @@ static struct panel_description panels[] = { .power_on = power_on_mipi_boe_nv110c9m_l60, .configure_panel_backlight = configure_mipi_pwm_backlight, .disp_path = DISP_PATH_MIPI, + .pwm_ctrl_gpio = true, }, [11] = { .name = "MUTTO_B152731E1", .power_on = power_on_edp_mutto_b152731e1, .configure_panel_backlight = configure_edp_aux_backlight, .disp_path = DISP_PATH_EDP, + .pwm_ctrl_gpio = false, }, }; @@ -51,3 +54,32 @@ struct panel_description *get_panel_description(uint32_t panel_id) return &panels[panel_id]; } + +void fill_lp_backlight_gpios(struct lb_gpios *gpios) +{ + struct panel_description *panel = get_active_panel(); + if (!panel || panel->disp_path == DISP_PATH_NONE) + return; + + struct lb_gpio mipi_pwm_gpios[] = { + {GPIO_MIPI_PANEL_BL_PWM.id, ACTIVE_HIGH, -1, "PWM control"}, + }; + + struct lb_gpio edp_pwm_gpios[] = { + {GPIO_EDP_BL_PWM_1V8.id, ACTIVE_HIGH, -1, "PWM control"}, + }; + + if (panel->pwm_ctrl_gpio) { + /* PWM control for typical eDP and MIPI panels */ + if (panel->disp_path == DISP_PATH_MIPI) + lb_add_gpios(gpios, mipi_pwm_gpios, ARRAY_SIZE(mipi_pwm_gpios)); + else + lb_add_gpios(gpios, edp_pwm_gpios, ARRAY_SIZE(edp_pwm_gpios)); + } + + struct lb_gpio backlight_gpios[] = { + {GPIO_AP_DISP_BKLTEN.id, ACTIVE_HIGH, -1, "backlight enable"}, + }; + + lb_add_gpios(gpios, backlight_gpios, ARRAY_SIZE(backlight_gpios)); +} |