Add support for TPM for phyBOARD Pollux. Reviewed-by: Peng Fan <peng.fan@xxxxxxx> Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx> Signed-off-by: Benjamin Hahn <B.Hahn@xxxxxxxxx> --- Changes in v3: - remove status okay for tpm node - Link to v2: https://lore.kernel.org/r/20240807-imx8mp-tpm-v2-1-d43f1e8f70ac@xxxxxxxxx Changes in v2: - renamed tpm node to tpm@0 - removed num-cs - cleanup pinctrl - Link to v1: https://lore.kernel.org/r/20240805-imx8mp-tpm-v1-1-1e89f0268999@xxxxxxxxx --- .../dts/freescale/imx8mp-phyboard-pollux-rdk.dts | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts index 00a240484c25..09bd10627b11 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts @@ -103,6 +103,22 @@ reg_vcc_3v3_sw: regulator-vcc-3v3-sw { }; }; +/* TPM */ +&ecspi1 { + #address-cells = <1>; + #size-cells = <0>; + cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi1>; + status = "okay"; + + tpm: tpm@0 { + compatible = "infineon,slb9670", "tcg,tpm_tis-spi"; + reg = <0>; + spi-max-frequency = <38000000>; + }; +}; + &eqos { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_eqos>; @@ -300,6 +316,15 @@ &gpio4 { }; &iomuxc { + pinctrl_ecspi1: ecspi1grp { + fsl,pins = < + MX8MP_IOMUXC_ECSPI1_MISO__ECSPI1_MISO 0x80 + MX8MP_IOMUXC_ECSPI1_MOSI__ECSPI1_MOSI 0x80 + MX8MP_IOMUXC_ECSPI1_SCLK__ECSPI1_SCLK 0x80 + MX8MP_IOMUXC_ECSPI1_SS0__GPIO5_IO09 0x00 + >; + }; + pinctrl_eqos: eqosgrp { fsl,pins = < MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC 0x2 --- base-commit: 17712b7ea0756799635ba159cc773082230ed028 change-id: 20240805-imx8mp-tpm-3df607b1f5f1 Best regards, -- Benjamin Hahn <B.Hahn@xxxxxxxxx>
