Change in coreboot[master]: mb/google/corsola: configure GPIOs

[Rex-BC Chen (Code Review)]

Rex-BC Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59565 )

Change subject: mb/google/corsola: configure GPIOs
......................................................................

mb/google/corsola: configure GPIOs

Configure Chromebook specific GPIOs, including EC_AP_INT,
EC_IN_RW, GSC_AP_INT, EN_SPK, GPIO_AP, and GPIO_RESET.

Signed-off-by: Rex-BC Chen 
Change-Id: I76bde75788889111c0a051eed731dadc9898c0e1
---
M src/mainboard/google/corsola/bootblock.c
M src/mainboard/google/corsola/chromeos.c
A src/mainboard/google/corsola/gpio.h
3 files changed, 42 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/65/59565/1

diff --git a/src/mainboard/google/corsola/bootblock.c b/src/mainboard/google/corsola/bootblock.c
index e9ae5ce..bb76b98 100644
--- a/src/mainboard/google/corsola/bootblock.c
+++ b/src/mainboard/google/corsola/bootblock.c
@@ -4,7 +4,10 @@
 #include <device/mmio.h>
 #include <soc/spi.h>

+#include "gpio.h"
+
 void bootblock_mainboard_init(void)
 {
    mtk_snfc_init(SPI_NOR_GPIO_SET0);
+	setup_chromeos_gpios();
 }
diff --git a/src/mainboard/google/corsola/chromeos.c b/src/mainboard/google/corsola/chromeos.c
index 3f0937f..6a727c9 100644
--- a/src/mainboard/google/corsola/chromeos.c
+++ b/src/mainboard/google/corsola/chromeos.c
@@ -2,10 +2,29 @@

#include <bootmode.h>
 #include <boot/coreboot_tables.h>
+#include <gpio.h>
+
+#include "gpio.h"
+
+void setup_chromeos_gpios(void)
+{
+	gpio_input(GPIO_WP);
+	gpio_input_pullup(GPIO_EC_AP_INT);
+	gpio_input_pullup(GPIO_EC_IN_RW);
+	gpio_input_pullup(GPIO_GSC_AP_INT);
+	gpio_output(GPIO_EN_SPK, 0);
+	gpio_output(GPIO_RESET, 0);
+}

void fill_lb_gpios(struct lb_gpios *gpios)
 {
-
+	struct lb_gpio chromeos_gpios[] = {
+		{GPIO_EC_AP_INT.id, ACTIVE_LOW, -1, "EC interrupt"},
+		{GPIO_EC_IN_RW.id, ACTIVE_LOW, -1, "EC in RW"},
+		{GPIO_GSC_AP_INT.id, ACTIVE_HIGH, -1, "TPM interrupt"},
+		{GPIO_EN_SPK.id, ACTIVE_HIGH, -1, "speaker enable"},
+	};
+	lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
 }

int get_recovery_mode_switch(void)
diff --git a/src/mainboard/google/corsola/gpio.h b/src/mainboard/google/corsola/gpio.h
new file mode 100644
index 0000000..78dd252
--- /dev/null
+++ b/src/mainboard/google/corsola/gpio.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __MAINBOARD_GOOGLE_CORSOLA_GPIO_H__
+#define __MAINBOARD_GOOGLE_CORSOLA_GPIO_H__
+
+#include <soc/gpio.h>
+
+#define GPIO_EC_AP_INT	GPIO(EINT13)
+#define GPIO_WP		GPIO(EINT16)
+#define GPIO_BEEP_ON	GPIO(PERIPHERAL_EN4)
+#define GPIO_XHCI_DONE  GPIO(PERIPHERAL_EN1)
+#define GPIO_EC_IN_RW	GPIO(EINT14)
+#define GPIO_GSC_AP_INT	GPIO(EINT15)
+#define GPIO_EN_SPK	GPIO(PERIPHERAL_EN3)
+#define GPIO_RESET	GPIO(PERIPHERAL_EN0)
+
+void setup_chromeos_gpios(void);
+
+#endif