From 721b2ec2dd6072ba6c3e54207480796dc7fb6e66 Mon Sep 17 00:00:00 2001 From: Robert Chen Date: Mon, 15 May 2023 23:22:22 -0400 Subject: [PATCH] mb/google/nissa/var/yavilla: Disable unused gpio with fw_config Disable unused gpio for LTE daughter board, WFC and stylus. BUG=b:277148122 BRANCH=firmware-nissa-15217.B TEST=emerge-nissa coreboot Change-Id: I6cc61321cd96a10dd34ff6cd9fcabe85a64bbfa9 Signed-off-by: Robert Chen Reviewed-on: https://review.coreboot.org/c/coreboot/+/75293 Reviewed-by: Eric Lai Tested-by: build bot (Jenkins) --- .../google/brya/variants/yavilla/fw_config.c | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/src/mainboard/google/brya/variants/yavilla/fw_config.c b/src/mainboard/google/brya/variants/yavilla/fw_config.c index 800fc1f205..7231885d2a 100644 --- a/src/mainboard/google/brya/variants/yavilla/fw_config.c +++ b/src/mainboard/google/brya/variants/yavilla/fw_config.c @@ -5,6 +5,33 @@ #include #include + +static const struct pad_config lte_disable_pads[] = { + /* A8 : WWAN_RF_DISABLE_ODL */ + PAD_NC(GPP_A8, NONE), + /* D6 : WWAN_EN */ + PAD_NC(GPP_D6, NONE), + /* F12 : WWAN_RST_L */ + PAD_NC(GPP_F12, NONE), + /* H23 : WWAN_SAR_DETECT_ODL */ + PAD_NC(GPP_H23, NONE), +}; + +static const struct pad_config wfc_disable_pads[] = { + /* D3 : WCAM_RST_L */ + PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG), + /* D15 : EN_PP2800_WCAM_X */ + PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG), + /* D16 : EN_PP1800_PP1200_WCAM_X */ + PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG), + /* H22 : WCAM_MCLK_R */ + PAD_NC(GPP_H22, NONE), + /* R6 : DMIC_WCAM_CLK_R */ + PAD_NC(GPP_R6, NONE), + /* R7 : DMIC_WCAM_DATA */ + PAD_NC(GPP_R7, NONE), +}; + static const struct pad_config emmc_disable_pads[] = { /* I7 : EMMC_CMD */ PAD_NC(GPP_I7, NONE), @@ -32,11 +59,34 @@ static const struct pad_config emmc_disable_pads[] = { PAD_NC(GPP_I18, NONE), }; +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))) { + printk(BIOS_INFO, "Disable LTE-related GPIO pins.\n"); + gpio_padbased_override(padbased_table, lte_disable_pads, + ARRAY_SIZE(lte_disable_pads)); + } + if (fw_config_probe(FW_CONFIG(WFC, WFC_ABSENT))) { + printk(BIOS_INFO, "Disable MIPI WFC GPIO pins.\n"); + gpio_padbased_override(padbased_table, wfc_disable_pads, + ARRAY_SIZE(wfc_disable_pads)); + } if (fw_config_is_provisioned() && !fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) { printk(BIOS_INFO, "Disable eMMC GPIO pins.\n"); gpio_padbased_override(padbased_table, emmc_disable_pads, ARRAY_SIZE(emmc_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)); + } + }