[S] Change in coreboot[main]: mb/google/brox/var/jubilant: Add SAR sensor SX9324

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/83779?usp=email )

Change subject: mb/google/brox/var/jubilant: Add SAR sensor SX9324
......................................................................

mb/google/brox/var/jubilant: Add SAR sensor SX9324

Add SAR Sensor SX9324 for WWAN:
- Apply DRIVERS_I2C_SX9324
- Config GPP_H19 for IRQ
- Add SX9324 registers settings based on tuning value from SEMTECH.
  Refer to datasheet:
  https://chromeos.google.com/partner/dlm/avl/component/3624/

BUG=b:345327104
TEST=Build and verify on jubilant

Change-Id: I629117f20ca513dc0c8eaa91744ad33e162ba4bb
Signed-off-by: Ren Kuo 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83779
Reviewed-by: Kenneth Chan 
Reviewed-by: David Wu 
Tested-by: build bot (Jenkins) 
Reviewed-by: Karthik Ramasubramanian 
---
M src/mainboard/google/brox/Kconfig
M src/mainboard/google/brox/variants/jubilant/gpio.c
M src/mainboard/google/brox/variants/jubilant/overridetree.cb
3 files changed, 26 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Kenneth Chan: Looks good to me, approved
  David Wu: Looks good to me, approved
  Karthik Ramasubramanian: Looks good to me, approved

diff --git a/src/mainboard/google/brox/Kconfig b/src/mainboard/google/brox/Kconfig
index 567c663..5c44afc 100644
--- a/src/mainboard/google/brox/Kconfig
+++ b/src/mainboard/google/brox/Kconfig
@@ -88,6 +88,7 @@
    select BOARD_GOOGLE_BASEBOARD_BROX
    select CHROMEOS_WIFI_SAR if CHROMEOS
    select DRIVERS_GENERIC_ALC1015
+	select DRIVERS_I2C_SX9324
    select USE_UNIFIED_AP_FIRMWARE_FOR_UFS_AND_NON_UFS

if BOARD_GOOGLE_BROX_COMMON
diff --git a/src/mainboard/google/brox/variants/jubilant/gpio.c b/src/mainboard/google/brox/variants/jubilant/gpio.c
index 0b7ea77..0540cd1 100644
--- a/src/mainboard/google/brox/variants/jubilant/gpio.c
+++ b/src/mainboard/google/brox/variants/jubilant/gpio.c
@@ -31,6 +31,8 @@
    PAD_CFG_GPO(GPP_A12, 1, DEEP),
    /* GPP_H23 : SRCCLKREQ5_L ==> WWAN_RST_L */
    PAD_CFG_GPO_LOCK(GPP_H23, 1, LOCK_CONFIG),
+	/* GPP_H19 : SRCCLKREQ4_L ==> SAR1_INT_L */
+	PAD_CFG_GPI_APIC_LOCK(GPP_H19, NONE, LEVEL, NONE, LOCK_CONFIG),

/* GPP_D2 : [NF1: ISH_GP2 NF2: BK2 NF5: SBK2 NF6: USB_C_GPP_D2] ==> EN_FP_PWR (active high) */
    PAD_CFG_GPO_LOCK(GPP_D2, 0, LOCK_CONFIG),
diff --git a/src/mainboard/google/brox/variants/jubilant/overridetree.cb b/src/mainboard/google/brox/variants/jubilant/overridetree.cb
index 51a0816..ca23c11 100644
--- a/src/mainboard/google/brox/variants/jubilant/overridetree.cb
+++ b/src/mainboard/google/brox/variants/jubilant/overridetree.cb
@@ -404,6 +404,29 @@
    			register "sdb" =  "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_F20)"
    			device generic 0 on end
    		end
+			chip drivers/i2c/sx9324
+				register "desc" = ""SAR Proximity Sensor""
+				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_H19_IRQ)"
+				register "speed" = "I2C_SPEED_FAST"
+				register "uid" = "1"
+				register "ph0_pin" = "{1, 2, 2}"
+				register "ph1_pin" = "{2, 1, 2}"
+				register "ph2_pin" = "{2, 2, 1}"
+				register "ph3_pin" = "{2, 1, 1}"
+				register "ph01_resolution" = "1024"
+				register "ph23_resolution" = "1024"
+				register "startup_sensor" = "1"
+				register "ph01_proxraw_strength" = "2"
+				register "ph23_proxraw_strength" = "2"
+				register "avg_pos_strength" = "256"
+				register "cs_idle_sleep" = ""hi-z""
+				register "int_comp_resistor" = ""lowest""
+				register "input_precharge_resistor_ohms" = "4000"
+				register "input_analog_gain" = "1"
+				device i2c 28 on
+					probe DB_USB DB_1A_LTE
+				end
+			end
    	end
    	device ref gspi1 on
    		chip drivers/spi/acpi