linux-kernel - [PATCH v2] arm64: dts: qcom: sdm845-cheza: Add cr50 spi node

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Message-Id: <20191216234204.190769-1-swboyd@chromium.org>
Date:   Mon, 16 Dec 2019 15:42:04 -0800
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>
Subject: [PATCH v2] arm64: dts: qcom: sdm845-cheza: Add cr50 spi node

Add the cr50 device to the spi controller it is attached to. This
enables /dev/tpm0 and some login things on Cheza.

Cc: Douglas Anderson <dianders@...omium.org>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
---

Changes from v1:

 - Fixed node name to be tpm

 arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
index 9a4ff57fc877..b59cfd73616f 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
@@ -651,6 +651,20 @@ &spi0 {
 	status = "okay";
 };
 
+&spi5 {
+	status = "okay";
+
+	tpm@0 {
+		compatible = "google,cr50";
+		reg = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&h1_ap_int_odl>;
+		spi-max-frequency = <800000>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <129 IRQ_TYPE_EDGE_RISING>;
+	};
+};
+
 &spi10 {
 	status = "okay";
 
-- 
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