diff options
Diffstat (limited to 'src/mainboard/google/geralt/panel_geralt.c')
-rw-r--r-- | src/mainboard/google/geralt/panel_geralt.c | 32 |
1 files changed, 32 insertions, 0 deletions
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)); +} |