Change in ...coreboot[master]: mb/google/hatch: Enable touch support

[Maulik V Vaghela (Code Review)]

Maulik V Vaghela has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30425

Change subject: mb/google/hatch: Enable touch support
......................................................................

mb/google/hatch: Enable touch support

This patch will do following to enable touch screen support on hatch
1. Enable I2C1 device at 400Khz
2. Configure GPIO for touch screen

Change-Id: I8dab07dad4cb197865bb9cf0e8da240810fcfabe
Signed-off-by: Maulik V Vaghela 
---
M src/mainboard/google/hatch/variants/baseboard/devicetree.cb
M src/mainboard/google/hatch/variants/baseboard/gpio.c
2 files changed, 15 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/25/30425/1

diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
index 95dc6a3..731ebba 100644
--- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -25,6 +25,7 @@
    #|                   | for TPM communication     |
    #|                   | before memory is up       |
    #| I2C0              | Touchpad                  |
+	#| I2C1              | Touch screen              |
    #+-------------------+---------------------------+
    register "common_soc_config" = "{
    	.gspi[0] = {
@@ -34,6 +35,9 @@
    	.i2c[0] = {
    		.speed = I2C_SPEED_FAST,
    	},
+		.i2c[1] = {
+			.speed = I2C_SPEED_FAST,
+		},
    }"

# FSP configuration
@@ -58,7 +62,7 @@
    			device i2c 15 on end
    		end
    	end # I2C #0
-		device pci 15.1 off end # I2C #1
+		device pci 15.1 on  end # I2C #1
    	device pci 15.2 off end # I2C #2
    	device pci 15.3 off end # I2C #3
    	device pci 16.0 off end # Management Engine Interface 1
diff --git a/src/mainboard/google/hatch/variants/baseboard/gpio.c b/src/mainboard/google/hatch/variants/baseboard/gpio.c
index 13f5182..0b28442 100644
--- a/src/mainboard/google/hatch/variants/baseboard/gpio.c
+++ b/src/mainboard/google/hatch/variants/baseboard/gpio.c
@@ -37,6 +37,16 @@
    PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
    /* PCH_I2C_TRACKPAD_SCL */
    PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
+	/* TOUCHSCREEN_DIS_L */
+	PAD_CFG_GPO(GPP_C4, 1, DEEP),
+	/* PCH_I2C_TOUCHSCREEN_SCL */
+	PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
+	/* PCH_I2C_TOUCHSCREEN_SDA */
+	PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
+	/* TOUCHSCREEN_RST_L */
+	PAD_CFG_GPO(GPP_D15, 1, DEEP),
+	/* TOUCHSCREEN_INT_L */
+	PAD_CFG_GPI(GPP_D16, NONE, DEEP),
    /* H1_PCH_INT_ODL */
    PAD_CFG_GPI_APIC(GPP_C21, NONE, DEEP, LEVEL, INVERT),
    /* PCH_WP_OD */