arm: dts: imx8mp-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/imx8mp-venice-gw73xx-2x-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi
index 70433c07329365f1805c9e1cff6272db9068b64a..4d0e9a1e67c5a0c87670a980867e83916f8b9624 100644 (file)
--- 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 1c05398c862ce116b62e7ae1d43c8cd4700419ae..88c3c006fa2075b7fbf40b7bff977692615f04e1 100644 (file)
--- 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@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
                >;
        };