linux-kernel - [PATCH 2/2] arm64: dts: qcom: Fully describe fingerprint node on Herobrine

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Date:   Wed, 16 Mar 2022 18:06:40 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Alexandru M Stan <amstan@...omium.org>
Subject: [PATCH 2/2] arm64: dts: qcom: Fully describe fingerprint node on Herobrine

Update the fingerprint node on Herobrine 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@...omium.org>
Cc: Matthias Kaehlcke <mka@...omium.org>
Cc: Alexandru M Stan <amstan@...omium.org>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
---

Depends on https://lore.kernel.org/r/20220317005814.2496302-1-swboyd@chromium.org

 arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
index 984a7faf0888..282dda78ba3f 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
@@ -396,13 +396,16 @@ ap_spi_fp: &spi9 {
 	cs-gpios = <&tlmm 39 GPIO_ACTIVE_LOW>;
 
 	cros_ec_fp: ec@0 {
-		compatible = "google,cros-ec-spi";
+		compatible = "google,cros-ec-fp";
 		reg = <0>;
 		interrupt-parent = <&tlmm>;
 		interrupts = <61 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&fp_to_ap_irq_l>, <&fp_rst_l>, <&fpmcu_boot0>;
+		boot0-gpios = <&tlmm 68 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&tlmm 78 GPIO_ACTIVE_LOW>;
 		spi-max-frequency = <3000000>;
+		vdd-supply = <&pp3300_fp_mcu>;
 	};
 };
 
-- 
https://chromeos.dev