From f7e52a7aa4a6a7ea46c586487700fca8e01a1778 Mon Sep 17 00:00:00 2001 From: Leo Chou Date: Tue, 4 Oct 2022 15:42:39 +0800 Subject: [PATCH] mb/google/nissa/pujjo: Change TPM I2C freqeuncy to 1 MHz Change the TPM I2C freqeuncy to 1 MHz for pujjo. BUG=b:249953707 TEST=On pujjo, all timing requirements in the spec are met. Frequencies: pujjo - 987.80 kHz Signed-off-by: Leo Chou Change-Id: If99b5022a9b67e9c63c440a1e398d56bb2c467e2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/68098 Tested-by: build bot (Jenkins) Reviewed-by: Reka Norman --- src/mainboard/google/brya/variants/pujjo/overridetree.cb | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/mainboard/google/brya/variants/pujjo/overridetree.cb b/src/mainboard/google/brya/variants/pujjo/overridetree.cb index a043b4694a..d7d36e1777 100644 --- a/src/mainboard/google/brya/variants/pujjo/overridetree.cb +++ b/src/mainboard/google/brya/variants/pujjo/overridetree.cb @@ -126,11 +126,11 @@ chip soc/intel/alderlake register "common_soc_config" = "{ .i2c[0] = { .early_init = 1, - .speed = I2C_SPEED_FAST, + .speed = I2C_SPEED_FAST_PLUS, .speed_config[0] = { - .speed = I2C_SPEED_FAST, - .scl_lcnt = 160, - .scl_hcnt = 79, + .speed = I2C_SPEED_FAST_PLUS, + .scl_lcnt = 55, + .scl_hcnt = 30, .sda_hold = 7, } },