mb/google/trogdor: Add mipi panel for mrbland

Add mipi panel support for mrbland
- Setup gpio and modify LCD sequence.
- Use the following panel for mrbland:
  AUO B101UAN08.3
  BOE TV101WUM-N53
- Use panel_id to distinguish which mipi panel to use.

BUG=b:195516474,b:197300875,b:197300876
BRANCH=none
TEST=emerge-strongbad coreboot

Change-Id: Ib7cd2da429b114bf6bad5af312044a0f01319b46
Signed-off-by: Zanxi Chen <chenzanxi@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57336
Reviewed-by: Bob Moragues <moragues@google.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/trogdor/Kconfig

@@ -14,8 +14,10 @@ config TROGDOR_HAS_BRIDGE_BACKLIGHT
 
 config TROGDOR_HAS_MIPI_PANEL
 	bool
+	default y if BOARD_GOOGLE_MRBLAND
+	select MIPI_PANEL_AUO_B101UAN08_3 if BOARD_GOOGLE_MRBLAND
+	select MIPI_PANEL_BOE_TV101WUM_N53 if BOARD_GOOGLE_MRBLAND
 	default n
-	select MIPI_PANEL_VIS_RM69299
 
 config TROGDOR_HAS_FINGERPRINT
 	bool

src/mainboard/google/trogdor/board.h

@@ -15,13 +15,28 @@
 #define GPIO_AMP_ENABLE	GPIO(23)
 
 /* Display specific GPIOS */
-#define GPIO_BACKLIGHT_ENABLE  GPIO(12)
+#define GPIO_BACKLIGHT_ENABLE  ((CONFIG(TROGDOR_HAS_MIPI_PANEL)) ? GPIO(85) : GPIO(12))
+
+/* MIPI panel specific GPIOs. Only for mipi_panel-enabled devices (e.g. Mrbland).  */
+#if CONFIG(TROGDOR_HAS_MIPI_PANEL)
+#define GPIO_MIPI_1V8_ENABLE  GPIO(86)
+#define GPIO_AVDD_LCD_ENABLE  GPIO(88)
+#define GPIO_AVEE_LCD_ENABLE  GPIO(21)
+#define GPIO_VDD_RESET_1V8    GPIO(87)
+#define GPIO_EDP_BRIDGE_ENABLE dead_code_t(gpio_t)
+#define GPIO_EN_PP3300_DX_EDP  dead_code_t(gpio_t)
+#else
+#define GPIO_MIPI_1V8_ENABLE  dead_code_t(gpio_t)
+#define GPIO_AVDD_LCD_ENABLE  dead_code_t(gpio_t)
+#define GPIO_AVEE_LCD_ENABLE  dead_code_t(gpio_t)
+#define GPIO_VDD_RESET_1V8    dead_code_t(gpio_t)
 #define GPIO_EDP_BRIDGE_ENABLE (CONFIG(TROGDOR_REV0) ? GPIO(14) : GPIO(104))
 #define GPIO_EN_PP3300_DX_EDP  (CONFIG(TROGDOR_REV0) ? GPIO(106) : \
 	(CONFIG(BOARD_GOOGLE_TROGDOR) && board_id() == 1 ? GPIO(30) : \
 	(CONFIG(BOARD_GOOGLE_COACHZ) && board_id() == 0 ? GPIO(52) : \
 	(CONFIG(BOARD_GOOGLE_LAZOR) || CONFIG(BOARD_GOOGLE_POMPOM) ? GPIO(30) : \
 	GPIO(67)))))
+#endif
 
 /* Fingerprint-specific GPIOs. Only for fingerprint-enabled devices (e.g. CoachZ). */
 #if CONFIG(TROGDOR_HAS_FINGERPRINT)

src/mainboard/google/trogdor/chromeos.c

@@ -12,10 +12,17 @@ void setup_chromeos_gpios(void)
 	gpio_input_pullup(GPIO_SD_CD_L);
 	gpio_input_irq(GPIO_H1_AP_INT, IRQ_TYPE_RISING_EDGE, GPIO_PULL_UP);
 	gpio_output(GPIO_AMP_ENABLE, 0);
-
 	gpio_output(GPIO_BACKLIGHT_ENABLE, 0);
+
+	if (CONFIG(TROGDOR_HAS_MIPI_PANEL)) {
+		gpio_output(GPIO_MIPI_1V8_ENABLE, 0);
+		gpio_output(GPIO_AVDD_LCD_ENABLE, 0);
+		gpio_output(GPIO_VDD_RESET_1V8, 0);
+		gpio_output(GPIO_AVEE_LCD_ENABLE, 0);
+	} else {
 		gpio_output(GPIO_EN_PP3300_DX_EDP, 0);
 		gpio_output(GPIO_EDP_BRIDGE_ENABLE, 0);
+	}
 
 	if (CONFIG(TROGDOR_HAS_FINGERPRINT)) {
 		gpio_output(GPIO_FPMCU_BOOT0, 0);

src/mainboard/google/trogdor/mainboard.c

@@ -78,9 +78,46 @@ static void power_on_bridge(void)
 	gpio_output(GPIO_EN_PP3300_DX_EDP, 1);
 }
 
+static void configure_mipi_panel(void)
+{
+	int panel_id = sku_id() >> 8;
+	gpio_output(GPIO_MIPI_1V8_ENABLE, 1);
+	mdelay(5);
+	gpio_output(GPIO_AVDD_LCD_ENABLE, 1);
+	mdelay(5);
+	gpio_output(GPIO_AVEE_LCD_ENABLE, 1);
+	mdelay(15);
+	gpio_output(GPIO_VDD_RESET_1V8, 1);
+	mdelay(15);
+	/*
+	 * In mrbland, BOE panel_id = 3, it needs 15ms delay and
+	 * do reset again according to spec(See in b/197300876).
+	 */
+	if (CONFIG(BOARD_GOOGLE_MRBLAND) && (panel_id == 3)) {
+		gpio_output(GPIO_VDD_RESET_1V8, 0);
+		mdelay(5);
+		gpio_output(GPIO_VDD_RESET_1V8, 1);
+	}
+}
+
 static struct panel_serializable_data *get_mipi_panel(void)
 {
-	const char *cbfs_filename = "panel-VIS_RM69299";
+	const char *cbfs_filename = NULL;
+	int panel_id = sku_id() >> 8;
+
+	if (CONFIG(BOARD_GOOGLE_MRBLAND)) {
+		switch (panel_id) {
+		case 3:
+			cbfs_filename = "panel-BOE_TV101WUM_N53";
+			break;
+		case 6:
+			cbfs_filename = "panel-AUO_B101UAN08_3";
+			break;
+		}
+	}
+
+	if (!cbfs_filename)
+		return NULL;
 
 	struct panel_serializable_data *panel = cbfs_map(cbfs_filename, NULL);
 	if (!panel) {
@@ -126,6 +163,7 @@ static void display_startup(void)
 	}
 
 	if (CONFIG(TROGDOR_HAS_MIPI_PANEL)) {
+		configure_mipi_panel();
 		panel = get_mipi_panel();
 		if (!panel)
 			return;