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Diffstat (limited to 'src/mainboard/google/corsola/panel_anx7625.c')
-rw-r--r--src/mainboard/google/corsola/panel_anx7625.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/mainboard/google/corsola/panel_anx7625.c b/src/mainboard/google/corsola/panel_anx7625.c
new file mode 100644
index 0000000000..7b50e476ec
--- /dev/null
+++ b/src/mainboard/google/corsola/panel_anx7625.c
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <delay.h>
+#include <drivers/analogix/anx7625/anx7625.h>
+#include <edid.h>
+#include <gpio.h>
+#include <soc/i2c.h>
+
+#include "display.h"
+#include "gpio.h"
+
+static void bridge_anx7625_power_on(void)
+{
+ /* Turn on bridge */
+ gpio_output(GPIO_EDPBRDG_RST_L, 0);
+ gpio_output(GPIO_EN_PP1000_EDPBRDG, 1);
+ gpio_output(GPIO_EN_PP1800_EDPBRDG, 1);
+ gpio_output(GPIO_EN_PP3300_EDPBRDG, 1);
+ mdelay(14);
+ gpio_output(GPIO_EDPBRDG_PWREN, 1);
+ mdelay(80);
+ gpio_output(GPIO_EDPBRDG_RST_L, 1);
+}
+
+static int bridge_anx7625_get_edid(u8 i2c_bus, struct edid *edid)
+{
+ if (anx7625_init(i2c_bus) < 0) {
+ printk(BIOS_ERR, "%s: Can't init ANX7625 bridge\n", __func__);
+ return -1;
+ }
+ if (anx7625_dp_get_edid(i2c_bus, edid) < 0) {
+ printk(BIOS_ERR, "%s: Can't get panel's edid\n", __func__);
+ return -1;
+ }
+ return 0;
+}
+
+static int bridge_anx7625_post_power_on(u8 i2c_bus, struct edid *edid)
+{
+ return anx7625_dp_start(i2c_bus, edid);
+}
+
+static struct panel_serializable_data anx7625_data;
+
+static struct panel_description anx7625_bridge = {
+ .s = &anx7625_data,
+ .post_power_on = bridge_anx7625_post_power_on,
+ .orientation = LB_FB_ORIENTATION_NORMAL,
+};
+
+struct panel_description *get_anx7625_description(void)
+{
+ mtk_i2c_bus_init(BRIDGE_I2C, I2C_SPEED_FAST);
+ bridge_anx7625_power_on();
+ if (bridge_anx7625_get_edid(BRIDGE_I2C, &anx7625_bridge.s->edid) < 0) {
+ printk(BIOS_ERR, "Can't get panel's edid\n");
+ return NULL;
+ }
+ return &anx7625_bridge;
+}