From d0c936eea17b257126379d13637d28cb644ffb53 Mon Sep 17 00:00:00 2001 From: Joyce Ciou Date: Thu, 6 Nov 2025 11:18:01 +0800 Subject: [PATCH] mb/google/nissa/var/guren: Tune SX9324 register for 5G LTE module Update SX9324 register settings based on tuning values from SEMTECH to adjust the proximity sensor sensing range to support 5G LTE module. BUG=b:445338278 TEST=Confirm P sensor function can work and check i2c register settings on Guren by command # i2cwatch -f -y 14 0x28 Signed-off-by: Joyce Ciou Change-Id: Ic5e8fe1c67dcdfcfc9a4657b9d859a3b71239858 Reviewed-on: https://review.coreboot.org/c/coreboot/+/89930 Reviewed-by: Paul Menzel Reviewed-by: Derek Huang Tested-by: build bot (Jenkins) Reviewed-by: Kapil Porwal Reviewed-by: Eric Lai --- .../brya/variants/guren/overridetree.cb | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) diff --git a/src/mainboard/google/brya/variants/guren/overridetree.cb b/src/mainboard/google/brya/variants/guren/overridetree.cb index f74a20e562..6c7ecd83e7 100644 --- a/src/mainboard/google/brya/variants/guren/overridetree.cb +++ b/src/mainboard/google/brya/variants/guren/overridetree.cb @@ -480,6 +480,74 @@ chip soc/intel/alderlake device i2c 28 on probe DB_USB DB_1C_LTE probe DB_USB DB_HDMI_LTE + 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 "reg_gnrl_ctrl0" = "0x0A" + register "reg_afe_ctrl0" = "0x20" + register "reg_afe_ctrl3" = "0x00" + register "reg_afe_ctrl4" = "0x45" + register "reg_afe_ctrl6" = "0x00" + register "reg_afe_ctrl7" = "0x47" + register "reg_afe_ph0" = "0x3D" + register "reg_afe_ph1" = "0x1B" + register "reg_afe_ph2" = "0x1F" + register "reg_afe_ph3" = "0x3d" + register "reg_afe_ctrl8" = "0x12" + register "reg_afe_ctrl9" = "0x08" + register "reg_prox_ctrl0" = "0x0B" + register "reg_prox_ctrl1" = "0x0B" + register "reg_prox_ctrl2" = "0x20" + register "reg_prox_ctrl3" = "0x20" + register "reg_prox_ctrl4" = "0x0C" + register "reg_prox_ctrl5" = "0x00" + register "reg_prox_ctrl6" = "0x2d" + register "reg_prox_ctrl7" = "0x00" + register "reg_adv_ctrl0" = "0x00" + register "reg_adv_ctrl1" = "0x00" + register "reg_adv_ctrl2" = "0x00" + register "reg_adv_ctrl3" = "0x00" + register "reg_adv_ctrl4" = "0x00" + register "reg_adv_ctrl5" = "0x05" + register "reg_adv_ctrl6" = "0x00" + register "reg_adv_ctrl7" = "0x00" + register "reg_adv_ctrl8" = "0x00" + register "reg_adv_ctrl9" = "0x00" + register "reg_adv_ctrl10" = "0x00" + register "reg_adv_ctrl11" = "0x00" + register "reg_adv_ctrl12" = "0x00" + register "reg_adv_ctrl13" = "0x00" + register "reg_adv_ctrl14" = "0x80" + register "reg_adv_ctrl15" = "0x0C" + register "reg_adv_ctrl16" = "0x04" + register "reg_adv_ctrl17" = "0x70" + register "reg_adv_ctrl18" = "0x20" + register "reg_adv_ctrl19" = "0x00" + register "reg_adv_ctrl20" = "0x00" + register "reg_irq_msk" = "0x67" + register "reg_irq_cfg0" = "0x00" + register "reg_irq_cfg1" = "0x80" + register "reg_irq_cfg2" = "0x00" + register "reg_gnrl_ctrl1" = "0x21" + + register "ph01_resolution" = "256" + register "ph23_resolution" = "1024" + register "ph0_pin" = "{1, 3, 3}" + register "ph1_pin" = "{3, 2, 1}" + register "ph2_pin" = "{3, 3, 1}" + register "ph3_pin" = "{1, 3, 3}" + register "input_precharge_resistor_ohms" = "4000" + register "input_analog_gain" = "1" + register "ph01_proxraw_strength" = "3" + register "ph23_proxraw_strength" = "3" + register "avg_pos_strength" = "256" + register "startup_sensor" = "1" + register "cs_idle_sleep" = ""gnd"" + device i2c 28 on probe DB_USB DB_1C_5G end end