Change in coreboot[master]: mb/google/dedede/var/bugzzy: Configure GPIO settings

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Hello SH Kim,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/57056

to review the following change.

Change subject: mb/google/dedede/var/bugzzy: Configure GPIO settings
......................................................................

mb/google/dedede/var/bugzzy: Configure GPIO settings

Override GPIO pad configurations based on the latest bugzzy schematics.

BUG=b:192521391
BRANCH=None
TEST=Built test coreboot image and boot on bugzzy board

Change-Id: I7c3580e7eb34efed0441ead243343d2d7875d50f
Signed-off-by: Seunghwan Kim 
---
A src/mainboard/google/dedede/variants/bugzzy/Makefile.inc
A src/mainboard/google/dedede/variants/bugzzy/gpio.c
2 files changed, 61 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/56/57056/1

diff --git a/src/mainboard/google/dedede/variants/bugzzy/Makefile.inc b/src/mainboard/google/dedede/variants/bugzzy/Makefile.inc
new file mode 100644
index 0000000..eb2c9bc
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/bugzzy/Makefile.inc
@@ -0,0 +1,3 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/dedede/variants/bugzzy/gpio.c b/src/mainboard/google/dedede/variants/bugzzy/gpio.c
new file mode 100644
index 0000000..ce88b5e
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/bugzzy/gpio.c
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+
+/* Pad configuration in ramstage*/
+static const struct pad_config gpio_table[] = {
+	/* A10 : WWAN_EN */
+	PAD_CFG_GPO(GPP_A10, 1, PWROK),
+	/* A11 : TOUCH_RPT_EN ==> NC */
+	PAD_NC(GPP_A11, NONE),
+
+	/* B7  : PCIE_CLKREQ2_N ==> WWAN_SAR_DETECT_ODL*/
+	PAD_CFG_GPO(GPP_B7, 1, DEEP),
+	/* B8  : WLAN_CLKREQ_ODL ==> NC */
+	PAD_NC(GPP_B8, NONE),
+
+	/* D0  : WWAN_HOST_WAKE ==> WWAN_WDISABLE_L */
+	PAD_CFG_GPO(GPP_D0, 1, DEEP),
+	/* D1  : WLAN_PERST_L ==> NC */
+	PAD_NC(GPP_D1, NONE),
+	/* D3  : WLAN_PCIE_WAKE_ODL ==> NC */
+	PAD_NC(GPP_D3, NONE),
+	/* D7  : EMR_INT_ODL */
+	PAD_CFG_GPI_APIC(GPP_D7, NONE, PLTRST, LEVEL, INVERT),
+	/* D13 : EN_PP3300_CAMERA */
+	PAD_CFG_GPO(GPP_D13, 0, PLTRST),
+	/* D15 : EN_PP2800_CAMERA */
+	PAD_CFG_GPO(GPP_D15, 0, PLTRST),
+	/* D19 : WWAN_WLAN_COEX1 ==> NC */
+	PAD_NC(GPP_D19, NONE),
+	/* D20 : WWAN_WLAN_COEX2 ==> NC */
+	PAD_NC(GPP_D20, NONE),
+	/* D21 : WWAN_WLAN_COEX3 ==> NC */
+	PAD_NC(GPP_D21, NONE),
+	/* D22 : AP_I2C_SUB_SDA*/
+	PAD_CFG_NF(GPP_D22, NONE, DEEP, NF1),
+	/* D23 : AP_I2C_SUB_SCL */
+	PAD_CFG_NF(GPP_D23, NONE, DEEP, NF1),
+
+	/* E0 : CLK_24M_UCAM ==> NC */
+	PAD_NC(GPP_E0, NONE),
+	/* E1 : EMR_RESET_L */
+	PAD_CFG_GPO(GPP_E1, 0, DEEP),
+	/* E13 : DDI0_DDC_SCL */
+	PAD_CFG_NF(GPP_E13, NONE, DEEP, NF1),
+	/* E14 : DDI0_DDC_SDA */
+	PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),
+
+	/* H17 : WWAN_RST_L */
+	PAD_CFG_GPO(GPP_H17, 0, PLTRST),
+};
+
+const struct pad_config *variant_override_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}