arm: dts: imx8mm-venice-gw73xx: add TPM device
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@gateworks.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/dts/imx8mm-venice-gw73xx-0x-u-boot.dtsi b/arch/arm/dts/imx8mm-venice-gw73xx-0x-u-boot.dtsi
index 92e44d4..31f9d47 100644
--- a/arch/arm/dts/imx8mm-venice-gw73xx-0x-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw73xx-0x-u-boot.dtsi
@@ -39,6 +39,13 @@
gpios = <9 GPIO_ACTIVE_HIGH>;
line-name = "dio1";
};
+
+ tpm_rst {
+ gpio-hog;
+ output-high;
+ gpios = <11 GPIO_ACTIVE_HIGH>;
+ line-name = "tpm_rst#";
+ };
};
&gpio4 {
diff --git a/arch/arm/dts/imx8mm-venice-gw73xx.dtsi b/arch/arm/dts/imx8mm-venice-gw73xx.dtsi
index 244ef8d..7b2130d 100644
--- a/arch/arm/dts/imx8mm-venice-gw73xx.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw73xx.dtsi
@@ -104,8 +104,15 @@
&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>;
+ };
};
&gpio1 {
@@ -364,6 +371,7 @@
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
>;
};