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authorV Sowmya <v.sowmya@intel.com>2022-08-22 13:02:09 +0530
committerFelix Held <felix-coreboot@felixheld.de>2022-09-09 10:43:19 +0000
commitad0288a843ab65f2a567cf6095c129e2ca8e8476 (patch)
treeda91e4b417ee14d15847a4428223ffe2d527fee5 /src/mainboard/google/brya
parent323bddb1bdf53e5b871339868272cd7324856262 (diff)
mb/google/nissa: Disable the stylus GPIO pins based on fw_config
TEST=Boot to OS on nivviks/nirwen and check that stylus GPIOs are configured based on fw_config. Signed-off-by: V Sowmya <v.sowmya@intel.com> Change-Id: Ibbe9f379abe10a741642e11d4833d3a53489693a Reviewed-on: https://review.coreboot.org/c/coreboot/+/66929 Reviewed-by: Reka Norman <rekanorman@chromium.org> Reviewed-by: Kangheui Won <khwon@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/brya')
-rw-r--r--src/mainboard/google/brya/variants/nivviks/fw_config.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/nivviks/fw_config.c b/src/mainboard/google/brya/variants/nivviks/fw_config.c
index 654d2f41fa..8a4655bc36 100644
--- a/src/mainboard/google/brya/variants/nivviks/fw_config.c
+++ b/src/mainboard/google/brya/variants/nivviks/fw_config.c
@@ -94,6 +94,13 @@ static const struct pad_config nvme_disable_pads[] = {
PAD_NC_LOCK(GPP_E17, 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))) {
@@ -133,4 +140,10 @@ void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
gpio_padbased_override(padbased_table, nvme_disable_pads,
ARRAY_SIZE(nvme_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));
+ }
}