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arm: dts: imx8mp-venice-gw73xx: add TPM device

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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>
This commit is contained in:
Tim Harvey
2023-10-18 11:33:52 -07:00
committed by Fabio Estevam
parent bb1e22ca53
commit a7d54d3de8
2 changed files with 17 additions and 1 deletions
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9
arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi
View File

@@ -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;

9
arch/arm/dts/imx8mp-venice-gw73xx.dtsi
View File

@@ -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
>;
};