diff mbox series

[5/5] arm: dts: imx8mp-venice-gw71xx: add TPM device

Message ID 20240205190858.3076363-6-tharvey@gateworks.com
State Changes Requested
Delegated to: Fabio Estevam
Headers show
Series update venice dts | expand

Commit Message

Tim Harvey Feb. 5, 2024, 7:08 p.m. UTC 
Add the TPM device found on the GW71xx revision E PCB.

This hangs off of SPI2, uses gpio1_10 as a CS and gpio1_11 as RST#.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
 arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi |  9 +++++++++
 arch/arm/dts/imx8mp-venice-gw71xx.dtsi           | 10 +++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi
index 5c33f8c9cdcf..216a7a0d8d7c 100644
--- a/arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi
@@ -4,6 +4,15 @@ 
  */
 #include "imx8mp-venice-gw702x-u-boot.dtsi"
 
+&gpio1 {
+	tpm_rst {
+		gpio-hog;
+		output-high;
+		gpios = <11 GPIO_ACTIVE_HIGH>;
+		line-name = "tpm_rst#";
+	};
+};
+
 &gpio4 {
 	dio_1 {
 		gpio-hog;
diff --git a/arch/arm/dts/imx8mp-venice-gw71xx.dtsi b/arch/arm/dts/imx8mp-venice-gw71xx.dtsi
index 86999f52d4b2..4b1dbaa64b6b 100644
--- a/arch/arm/dts/imx8mp-venice-gw71xx.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw71xx.dtsi
@@ -48,8 +48,15 @@ 
 &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>;
+	};
 };
 
 &gpio4 {
@@ -217,6 +224,7 @@ 
 			MX8MP_IOMUXC_ECSPI2_MOSI__ECSPI2_MOSI	0x140
 			MX8MP_IOMUXC_ECSPI2_MISO__ECSPI2_MISO	0x140
 			MX8MP_IOMUXC_ECSPI2_SS0__GPIO5_IO13	0x140
+			MX8MP_IOMUXC_GPIO1_IO10_GPIO1_IO10	0x140
 		>;
 	};