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authorEric Lai <eric_lai@quanta.corp-partner.google.com>2022-07-28 14:05:03 +0800
committerPaul Fagerburg <pfagerburg@chromium.org>2022-07-29 15:02:35 +0000
commitff424fbe6be2e01fa6a8f50764d97458e1eba691 (patch)
tree4883370252149b13d554802aa6a6f7f17c82905b
parente5a9cdc615befff7e39b5ffeec7bfa899b683820 (diff)
mb/google/brya/var/ghost: Enable CS42L42 codec
Add CS42L42 support in device tree. BUG=b:240006200 BRANCH=firmware-brya-14505.B TEST=Check cs42l42 driver can probe successfully in kernel. cs42l42 i2c-10134242:00: Cirrus Logic CS42L42, Revision: B1 Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Change-Id: I861f47c12f4cebb016a4cfbe225f97d34d55e233 Reviewed-on: https://review.coreboot.org/c/coreboot/+/66223 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Caveh Jalali <caveh@chromium.org>
-rw-r--r--src/mainboard/google/brya/Kconfig1
-rw-r--r--src/mainboard/google/brya/variants/ghost/gpio.c4
-rw-r--r--src/mainboard/google/brya/variants/ghost/overridetree.cb18
3 files changed, 21 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 337f6e63d9..14ca85aab7 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -64,6 +64,7 @@ config BOARD_GOOGLE_BASEBOARD_GHOST
def_bool n
select BOARD_GOOGLE_BASEBOARD_BRYA if BOARD_GOOGLE_GHOST4ADL
select BOARD_GOOGLE_BASEBOARD_SKOLAS if !BOARD_GOOGLE_GHOST4ADL
+ select DRIVERS_I2C_CS42L42
config BOARD_GOOGLE_BASEBOARD_NISSA
def_bool n
diff --git a/src/mainboard/google/brya/variants/ghost/gpio.c b/src/mainboard/google/brya/variants/ghost/gpio.c
index 96a270d893..a26cc72dea 100644
--- a/src/mainboard/google/brya/variants/ghost/gpio.c
+++ b/src/mainboard/google/brya/variants/ghost/gpio.c
@@ -45,8 +45,8 @@ static const struct pad_config gpio_table[] = {
/* GPP_A6 : GPP_A6 ==> ESPI_ALERT1 configured on reset, do not touch */
/* GPP_A7 : No heuristic was found useful */
PAD_NC(GPP_A7, NONE),
- /* GPP_A8 : No heuristic was found useful */
- PAD_NC(GPP_A8, NONE),
+ /* GPP_A8 : HP_RST_ODL */
+ PAD_CFG_GPO(GPP_A8, 1, PLTRST),
/* GPP_A9 : GPP_A9 ==> ESPI_PCH_CLK_R configured on reset, do not touch */
/* GPP_A10 : GPP_A10 ==> ESPI_PCH_RST_EC_L configured on reset, do not touch */
/* GPP_A11 : [NF6: USB_C_GPP_A11] ==> EN_SPKR_PA */
diff --git a/src/mainboard/google/brya/variants/ghost/overridetree.cb b/src/mainboard/google/brya/variants/ghost/overridetree.cb
index d275553d0b..3d401e1796 100644
--- a/src/mainboard/google/brya/variants/ghost/overridetree.cb
+++ b/src/mainboard/google/brya/variants/ghost/overridetree.cb
@@ -82,6 +82,24 @@ chip soc/intel/alderlake
device generic 0 on end
end
end
+ device ref i2c0 on
+ chip drivers/i2c/cs42l42
+ register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_BOTH(GPP_A23)"
+ register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A8)"
+ register "ts_inv" = "true"
+ register "ts_dbnc_rise" = "RISE_DEB_1000_MS"
+ register "ts_dbnc_fall" = "FALL_DEB_0_MS"
+ register "btn_det_init_dbnce" = "100"
+ register "btn_det_event_dbnce" = "10"
+ register "bias_lvls[0]" = "15"
+ register "bias_lvls[1]" = "8"
+ register "bias_lvls[2]" = "4"
+ register "bias_lvls[3]" = "1"
+ register "hs_bias_ramp_rate" = "HSBIAS_RAMP_SLOW"
+ register "hs_bias_sense_disable" = "true"
+ device i2c 48 on end
+ end
+ end
device ref i2c1 on
chip drivers/i2c/tpm
register "hid" = ""GOOG0005""