[S] Change in coreboot[master]: [Test] mb/google/nissa/craask: Disable stylus GPIO pins based on fw_c...

[Tyler Wang (Code Review)]

Tyler Wang has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/69138 )

Change subject: [Test] mb/google/nissa/craask: Disable stylus GPIO pins based on fw_config
......................................................................

[Test] mb/google/nissa/craask: Disable stylus GPIO pins based on fw_config

BUG: none
Test: none
Change-Id: I7e3a2583187c8a8e2616a5272b5a7a61debe982b
---
M src/mainboard/google/brya/variants/craask/fw_config.c
1 file changed, 23 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/69138/1

diff --git a/src/mainboard/google/brya/variants/craask/fw_config.c b/src/mainboard/google/brya/variants/craask/fw_config.c
index 602eeab..5b8f058 100644
--- a/src/mainboard/google/brya/variants/craask/fw_config.c
+++ b/src/mainboard/google/brya/variants/craask/fw_config.c
@@ -42,6 +42,13 @@
    PAD_NC_LOCK(GPP_H13, NONE, LOCK_CONFIG),
 };

+static const struct pad_config stylus_disable_pads[] = {
+	/* F13 : SOC_PEN_DETECT_R_ODL */
+	PAD_NC_LOCK(GPP_F13, NONE, LOCK_CONFIG),
+	/* F15 : SOC_PEN_DETECT_ODL */
+	PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
+};
+
 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
 {
    if (!fw_config_probe(FW_CONFIG(DB_USB, DB_1C_LTE))) {
@@ -62,4 +69,9 @@
    					ARRAY_SIZE(sd_disable_pads));
    }

+	if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
+		printk(BIOS_INFO, "Disable Stylus GPIO pins.\n");
+		gpio_padbased_override(padbased_table, stylus_disable_pads,
+						ARRAY_SIZE(stylus_disable_pads));
+	}
 }