[coreboot-gerrit] Change in coreboot[master]: mb/google/cherry: configure GPIOs

[Hung-Te Lin (Code Review)]

Hung-Te Lin has submitted this change. ( https://review.coreboot.org/c/coreboot/+/52924 )

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

mb/google/cherry: configure GPIOs

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

Change-Id: Id553f632412af440d21a3b51e017cb74cc27fd22
Signed-off-by: Rex-BC Chen 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52924
Reviewed-by: Yu-Ping Wu 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/cherry/bootblock.c
M src/mainboard/google/cherry/chromeos.c
A src/mainboard/google/cherry/gpio.h
3 files changed, 43 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Yu-Ping Wu: Looks good to me, approved

diff --git a/src/mainboard/google/cherry/bootblock.c b/src/mainboard/google/cherry/bootblock.c
index 6f61a82..adb87d0 100644
--- a/src/mainboard/google/cherry/bootblock.c
+++ b/src/mainboard/google/cherry/bootblock.c
@@ -4,6 +4,8 @@
 #include <device/mmio.h>
 #include <soc/gpio.h>

+#include "gpio.h"
+
 struct pad_func {
    u8 pin_id;
    u8 func;
@@ -34,4 +36,5 @@
 void bootblock_mainboard_init(void)
 {
    nor_set_gpio_pinmux();
+	setup_chromeos_gpios();
 }
diff --git a/src/mainboard/google/cherry/chromeos.c b/src/mainboard/google/cherry/chromeos.c
index 3f0937f..f606ba3 100644
--- a/src/mainboard/google/cherry/chromeos.c
+++ b/src/mainboard/google/cherry/chromeos.c
@@ -2,10 +2,31 @@

#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_SD_CD);
+	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_SD_CD.id, ACTIVE_LOW, -1, "SD card detect"},
+		{GPIO_EC_IN_RW.id, ACTIVE_LOW, -1, "EC in RW"},
+		{GPIO_GSC_AP_INT.id, ACTIVE_LOW, -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/cherry/gpio.h b/src/mainboard/google/cherry/gpio.h
new file mode 100644
index 0000000..28e1186
--- /dev/null
+++ b/src/mainboard/google/cherry/gpio.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __MAINBOARD_GOOGLE_CHERRY_GPIO_H__
+#define __MAINBOARD_GOOGLE_CHERRY_GPIO_H__
+
+#include <soc/gpio.h>
+
+#define GPIO_EC_AP_INT	GPIO(GPIO_04)
+#define GPIO_WP		GPIO(GPIO_05)
+#define GPIO_SD_CD	GPIO(I2SO1_D1)
+#define GPIO_EC_IN_RW	GPIO(DGI_D10)
+#define GPIO_GSC_AP_INT	GPIO(DGI_D11)
+#define GPIO_EN_SPK	GPIO(UART1_RTS)
+#define GPIO_RESET	GPIO(UART1_CTS)
+
+void setup_chromeos_gpios(void);
+
+#endif