arm: dts: imx8mp-venice-gw72xx: add TPM device

Add the TPM device found on the GW72xx 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-gw72xx-2x-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw72xx-2x-u-boot.dtsi
index 7f2609ab5469f2bb735bdf825a56eef78398cd3e..525316d11892f7ef1f53efc163bca62c58b4c5ad 100644 (file)
--- a/arch/arm/dts/imx8mp-venice-gw72xx-2x-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw72xx-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-gw72xx.dtsi b/arch/arm/dts/imx8mp-venice-gw72xx.dtsi
index e05fdecdaf4f95ba3c6b23d47b4c74561c8bf0f2..4e726128ccfc8a69726831b6f0d9de0f0a01f9d3 100644 (file)
--- a/arch/arm/dts/imx8mp-venice-gw72xx.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw72xx.dtsi
@@ -83,8 +83,14 @@
 &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 {
@@ -286,6 +292,7 @@
                        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
                >;
        };