Update the fingerprint node on Trogdor to match the fingerprint DT binding. This will allow us to drive the reset and boot gpios from the driver when it is re-attached after flashing. We'll also be able to boot the fingerprint processor if the BIOS isn't doing it for us. Cc: Douglas Anderson <dianders@xxxxxxxxxxxx> Cc: Matthias Kaehlcke <mka@xxxxxxxxxxxx> Cc: Alexandru M Stan <amstan@xxxxxxxxxxxx> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 4a5ea17a15ba..65601bea0797 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -894,13 +894,16 @@ ap_spi_fp: &spi10 { cs-gpios = <&tlmm 89 GPIO_ACTIVE_LOW>; cros_ec_fp: ec@0 { - compatible = "google,cros-ec-spi"; + compatible = "google,cros-ec-fp", "google,cros-ec-spi"; reg = <0>; interrupt-parent = <&tlmm>; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; - pinctrl-0 = <&fp_to_ap_irq_l>; + pinctrl-0 = <&fp_to_ap_irq_l>, <&fp_rst_l>, <&fpmcu_boot0>; + boot0-gpios = <&tlmm 10 GPIO_ACTIVE_HIGH>; + reset-gpios = <&tlmm 22 GPIO_ACTIVE_LOW>; spi-max-frequency = <3000000>; + vdd-supply = <&pp3300_fp_tp>; }; }; @@ -1226,6 +1229,13 @@ en_pp3300_hub: en-pp3300-hub-state { bias-disable; }; + fp_rst_l: fp-rst-l-state { + pins = "gpio22"; + function = "gpio"; + bias-disable; + drive-strength = <2>; + }; + fp_to_ap_irq_l: fp-to-ap-irq-l-state { pins = "gpio4"; function = "gpio"; @@ -1235,6 +1245,12 @@ fp_to_ap_irq_l: fp-to-ap-irq-l-state { bias-disable; }; + fpmcu_boot0: fpmcu-boot0-state { + pins = "gpio10"; + function = "gpio"; + bias-disable; + }; + h1_ap_int_odl: h1-ap-int-odl-state { pins = "gpio42"; function = "gpio"; -- https://chromeos.dev