bugzzy : set VSN/VSP/VBST

change VBST to 5.65V
change VSN/VSP to 5.5V

BUG=b:198072674

BRANCH=None
TEST=make -j BOARD=bugzzy

Signed-off-by: YongBeum.Ha <ybha@samsung.corp-partner.google.com>
Change-Id: I108914d5a6171034047101d95eafb997b5a2abd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3207767
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>

4 files changed, 44 insertions, 6 deletions

diff --git a/baseboard/dedede/variant_ec_npcx796fc.c b/baseboard/dedede/variant_ec_npcx796fc.c
index 6d9dfb368a..3a198ff0c0 100644
--- a/baseboard/dedede/variant_ec_npcx796fc.c
+++ b/baseboard/dedede/variant_ec_npcx796fc.c
@@ -186,6 +186,11 @@ __attribute__((weak)) const struct i2c_port_t i2c_ports[] = {
 		GPIO_EC_I2C_SUB_USB_C1_SCL, GPIO_EC_I2C_SUB_USB_C1_SDA
 	},
 #endif
+#ifdef BOARD_BUGZZY
+	{
+		"lcd", I2C_PORT_LCD, 400, GPIO_EC_I2C_LCD_SCL,
+		GPIO_EC_I2C_LCD_SDA
+	},
+#endif
 };
 const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
-
diff --git a/board/bugzzy/board.c b/board/bugzzy/board.c
index 2d24c9553a..499e6c5e62 100644
--- a/board/bugzzy/board.c
+++ b/board/bugzzy/board.c
@@ -199,6 +199,7 @@ const struct temp_sensor_t temp_sensors[] = {
 };
 BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
 
+static int board_id = -1;
 
 void board_init(void)
 {
@@ -727,9 +728,25 @@ static void panel_power_change_deferred(void)
 {
 	int signal = gpio_get_level(GPIO_EN_PP1800_PANEL_S0);
 
-	gpio_set_level(GPIO_EN_LCD_ENP, signal);
-	msleep(1);
-	gpio_set_level(GPIO_EN_LCD_ENN, signal);
+	if (board_id == -1) {
+		uint32_t val;
+
+		if (cbi_get_board_version(&val) == EC_SUCCESS)
+			board_id = val;
+	}
+
+	if (board_id < 4) {
+		gpio_set_level(GPIO_EN_LCD_ENP, signal);
+		msleep(1);
+		gpio_set_level(GPIO_EN_LCD_ENN, signal);
+	} else if (signal != 0) {
+		i2c_write8(I2C_PORT_LCD, I2C_ADDR_ISL98607_FLAGS,
+				ISL98607_REG_VBST_OUT, ISL98607_VBST_OUT_5P65);
+		i2c_write8(I2C_PORT_LCD, I2C_ADDR_ISL98607_FLAGS,
+				ISL98607_REG_VN_OUT, ISL98607_VN_OUT_5P5);
+		i2c_write8(I2C_PORT_LCD, I2C_ADDR_ISL98607_FLAGS,
+				ISL98607_REG_VP_OUT, ISL98607_VP_OUT_5P5);
+	}
 
 	gpio_set_level(GPIO_TSP_TA, signal & extpower_is_present());
 }
diff --git a/board/bugzzy/board.h b/board/bugzzy/board.h
index 2697e17d8c..51dd38d8d8 100644
--- a/board/bugzzy/board.h
+++ b/board/bugzzy/board.h
@@ -113,12 +113,27 @@
 #define I2C_PORT_USB_C0     NPCX_I2C_PORT1_0
 #define I2C_PORT_SUB_USB_C1 NPCX_I2C_PORT2_0
 #define I2C_PORT_USB_MUX    I2C_PORT_USB_C0
+#define I2C_PORT_LCD	    NPCX_I2C_PORT3_0
 /* TODO(b:147440290): Need to handle multiple charger ICs */
 #define I2C_PORT_CHARGER    I2C_PORT_USB_C0
 
 #define I2C_PORT_ACCEL      I2C_PORT_SENSOR
 
 #define I2C_ADDR_EEPROM_FLAGS 0x50 /* 7b address */
+#define I2C_ADDR_ISL98607_FLAGS 0x29
+
+/* ISL98607 registers and value */
+/* VBST Voltage Adjustment */
+#define ISL98607_REG_VBST_OUT	0x06
+#define ISL98607_VBST_OUT_5P65	0x0a
+
+/* VN Voltage Adjustment */
+#define ISL98607_REG_VN_OUT	0x08
+#define ISL98607_VN_OUT_5P5	0x0a
+
+/* VP Voltage Adjustment */
+#define ISL98607_REG_VP_OUT	0x09
+#define ISL98607_VP_OUT_5P5	0x0a
 
 /*
  * I2C pin names for baseboard
diff --git a/board/bugzzy/gpio.inc b/board/bugzzy/gpio.inc
index 979b2867c0..af69120e22 100644
--- a/board/bugzzy/gpio.inc
+++ b/board/bugzzy/gpio.inc
@@ -51,6 +51,8 @@ GPIO(EC_I2C_SENSOR_SDA,			PIN(B, 4), GPIO_INPUT)
 GPIO(EC_I2C_USB_C0_SCL,			PIN(9, 0), GPIO_INPUT)
 GPIO(EC_I2C_USB_C0_SDA,			PIN(8, 7), GPIO_INPUT)
 GPIO(EC_I2C_SUB_C1_SCL_HDMI_EN_ODL,	PIN(9, 2), GPIO_INPUT) /* C1 I2C SCL OR HDMI en */
+GPIO(EC_I2C_LCD_SCL,			PIN(D, 1), GPIO_INPUT)
+GPIO(EC_I2C_LCD_SDA,			PIN(D, 0), GPIO_INPUT)
 
 /* Misc Enables */
 GPIO(EN_VCCIO_EXT,   PIN(6, 1), GPIO_OUT_LOW)
@@ -123,6 +125,7 @@ ALTERNATE(PIN_MASK(B, 0x3C), 0, MODULE_I2C, 0)   /* I2C7,I2C0 */
 ALTERNATE(PIN_MASK(3, 0x48), 0, MODULE_I2C, 0)   /* I2C5 */
 ALTERNATE(PIN_MASK(9, 0x07), 0, MODULE_I2C, 0)   /* I2C2, I2C1 SCL */
 ALTERNATE(PIN_MASK(8, 0x80), 0, MODULE_I2C, 0)   /* I2C1 SDA */
+ALTERNATE(PIN_MASK(D, 0x03), 0, MODULE_I2C, 0)   /* I2C3 */
 
 /* NC pins, enable internal pull-up to avoid floating state. */
 GPIO(GPIO00_NC, PIN(0, 0), GPIO_INPUT | GPIO_PULL_DOWN)
@@ -134,6 +137,4 @@ GPIO(GPIO60_NC, PIN(6, 0), GPIO_INPUT | GPIO_PULL_DOWN)
 GPIO(GPIO80_NC, PIN(8, 0), GPIO_INPUT | GPIO_PULL_DOWN)
 GPIO(GPIO81_NC, PIN(8, 1), GPIO_INPUT | GPIO_PULL_DOWN)
 GPIO(GPIOC0_NC, PIN(C, 0), GPIO_INPUT | GPIO_PULL_DOWN)
-GPIO(GPIOD0_NC, PIN(D, 0), GPIO_INPUT | GPIO_PULL_DOWN)
-GPIO(GPIOD1_NC, PIN(D, 1), GPIO_INPUT | GPIO_PULL_DOWN)
 GPIO(GPIOD6_NC, PIN(D, 6), GPIO_INPUT | GPIO_PULL_DOWN)