From da2827779c81ec1b0038996027d9d506d11a35f0 Mon Sep 17 00:00:00 2001 From: Subrata Banik Date: Mon, 31 Jan 2022 14:31:33 +0530 Subject: mb/google/brya: Lock TPM pin in brask and brya baseboards This applies a configuration lock to the TPM I2C and IRQ GPIO for all brya and brask variants. BUG=b:208827718 TEST=cat /sys/kernel/debug/pinctrl/INTC1055\:00/pins suggests I2C_TPM_SDL and I2C_TPM__SDA GPIO PINs are locked. Signed-off-by: Subrata Banik Change-Id: I4f2a7014faeecd4701ea35ec77ef0e1692516b9d Reviewed-on: https://review.coreboot.org/c/coreboot/+/61499 Tested-by: build bot (Jenkins) Reviewed-by: EricR Lai Reviewed-by: Tim Wawrzynczak --- src/mainboard/google/brya/variants/redrix4es/gpio.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/mainboard/google/brya/variants/redrix4es') diff --git a/src/mainboard/google/brya/variants/redrix4es/gpio.c b/src/mainboard/google/brya/variants/redrix4es/gpio.c index afcb7e9114..a04ebaff81 100644 --- a/src/mainboard/google/brya/variants/redrix4es/gpio.c +++ b/src/mainboard/google/brya/variants/redrix4es/gpio.c @@ -20,6 +20,10 @@ static const struct pad_config override_gpio_table[] = { /* B3 : PROC_GP2 ==> NC */ PAD_NC(GPP_B3, NONE), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE), -- cgit v1.2.3