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arm: dts: imx8mm-venice-gw72xx: add TPM device

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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>
This commit is contained in:
Tim Harvey 2023-11-27 11:36:58 -08:00 committed by Fabio Estevam
parent 2264bfba19
commit b1c40d0692
2 changed files with 16 additions and 1 deletions
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7
arch/arm/dts/imx8mm-venice-gw72xx-0x-u-boot.dtsi
View file

@ -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 {

10
arch/arm/dts/imx8mm-venice-gw72xx.dtsi
View file

@ -84,8 +84,15 @@
&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 {
@ -314,6 +321,7 @@
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
>;
};