From: AngeloGioacchino Del Regno Date: Fri, 2 Sep 2022 08:11:52 +0000 (+0200) Subject: arm64: dts: mediatek: cherry: Add Google Security Chip (GSC) TPM X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=63ce81b224dd8033fd5f629fb4581a26eedd5797;p=linux.git arm64: dts: mediatek: cherry: Add Google Security Chip (GSC) TPM Add support for the Cr50 Google Security Chip (GSC) found on this platform on I2C3 to support TPM and to also use it as an entropy source for the kernel. Signed-off-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20220902081156.38526-4-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger --- diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index 73f531f84fa21..a07e7fe663151 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -149,6 +149,14 @@ clock-frequency = <400000>; pinctrl-names = "default"; pinctrl-0 = <&i2c3_pins>; + + tpm@50 { + compatible = "google,cr50"; + reg = <0x50>; + interrupts-extended = <&pio 88 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&cr50_int>; + }; }; &i2c4 { @@ -426,6 +434,13 @@ "AP_SPI_FLASH_MOSI", "AP_SPI_FLASH_MISO"; + cr50_int: cr50-irq-default-pins { + pins-gsc-ap-int-odl { + pinmux = ; + input-enable; + }; + }; + cros_ec_int: cros-ec-irq-default-pins { pins-ec-ap-int-odl { pinmux = ;