diff options
| author | Heiko Stuebner <heiko@sntech.de> | 2018-08-22 14:09:25 +0200 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2019-10-10 23:19:30 +0200 |
| commit | 87d8ae980e1944331f93e0488e16bd3bec4554c7 (patch) | |
| tree | a2ac4249cb87d5bd25025f98a35fe611fa564031 /arch/arm64 | |
| parent | 6860769ea771cf7fdb77c0f1333096c9700be141 (diff) | |
arm64: dts: rockchip: add cr50 tpm to rk3399-gru scarlet and bob
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
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399-gru-bob.dts | 10 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi | 10 |
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-bob.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-bob.dts index a9f4d6d7d2b7..9dd3b171e91d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-bob.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-bob.dts @@ -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 { diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi index 50dfab51f175..4373ed732af7 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi @@ -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 { |