[PATCH] arm: dts: imx8mp-venice-gw73xx: add TPM device
Tim Harvey
tharvey at gateworks.com
Wed Oct 18 20:33:52 CEST 2023
Add the TPM device found on the GW73xx revision F PCB.
This hangs off of SPI2, uses gpio1_10 as a CS and gpio1_11 as RST#.
Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi | 9 +++++++++
arch/arm/dts/imx8mp-venice-gw73xx.dtsi | 9 ++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi
index 70433c073293..4d0e9a1e67c5 100644
--- a/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi
@@ -10,6 +10,15 @@
reset-post-delay-us = <300000>;
};
+&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-gw73xx.dtsi b/arch/arm/dts/imx8mp-venice-gw73xx.dtsi
index 1c05398c862c..88c3c006fa20 100644
--- a/arch/arm/dts/imx8mp-venice-gw73xx.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw73xx.dtsi
@@ -95,8 +95,14 @@
&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 at 1 {
+ compatible = "tcg,tpm_tis-spi";
+ reg = <0x1>;
+ spi-max-frequency = <36000000>;
+ };
};
&gpio4 {
@@ -327,6 +333,7 @@
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
>;
};
--
2.25.1
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