linux-kernel - [PATCH] arm64: dts: imx8mm-venice-gw72xx: add TPM device

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Date:   Wed, 18 Oct 2023 11:08:38 -0700
From:   Tim Harvey <tharvey@...eworks.com>
To:     Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Tim Harvey <tharvey@...eworks.com>
Subject: [PATCH] arm64: dts: imx8mm-venice-gw72xx: add TPM device

Add the TPM device found on the GW72xx revision F PCB.

Signed-off-by: Tim Harvey <tharvey@...eworks.com>
---
 .../arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi
index 3a0a10e835a2..02d96f4a2d23 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi
@@ -84,8 +84,15 @@ reg_usb_otg2_vbus: regulator-usb-otg2 {
 &ecspi2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_spi2>;
-	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
+	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>,
+		   <&gpio1 10 GPIO_ACTIVE_LOW>;
 	status = "okay";
+
+	tpm@1 {
+		compatible = "tcg,tpm_tis-spi";
+		reg = <0x1>;
+		spi-max-frequency = <36000000>;
+	};
 };
 
 &gpio1 {
@@ -312,6 +319,7 @@ MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK	0xd6
 			MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI	0xd6
 			MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO	0xd6
 			MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13	0xd6
+			MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10	0xd6
 		>;
 	};
 
-- 
2.25.1