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arm64: dts: rockchip: add cr50 tpm to rk3399-gru scarlet and bob

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Scarlet and Bob use the Google-developed cr50 chip to do things
like TPM and closed-case-debugging.

Add the nodes describing the cr50 and its spi-connection.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20180822120925.12388-1-heiko@sntech.de
This commit is contained in:
Heiko Stuebner 2018-08-22 14:09:25 +02:00
parent 6860769ea7
commit 87d8ae980e
2 changed files with 20 additions and 0 deletions
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10
arch/arm64/boot/dts/rockchip/rk3399-gru-bob.dts
View File

@ -68,6 +68,16 @@
&spi0 {
status = "okay";
cr50@0 {
compatible = "google,cr50";
reg = <0>;
interrupt-parent = <&gpio0>;
interrupts = <5 IRQ_TYPE_EDGE_RISING>;
pinctrl-names = "default";
pinctrl-0 = <&h1_int_od_l>;
spi-max-frequency = <800000>;
};
};
&pinctrl {

10
arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi
View File

@ -436,6 +436,16 @@ camera: &i2c7 {
&spi2 {
status = "okay";
cr50@0 {
compatible = "google,cr50";
reg = <0>;
interrupt-parent = <&gpio1>;
interrupts = <17 IRQ_TYPE_EDGE_RISING>;
pinctrl-names = "default";
pinctrl-0 = <&h1_int_od_l>;
spi-max-frequency = <800000>;
};
};
&usb_host0_ohci {