From: Wadim Egorov Date: Tue, 23 Jan 2024 10:29:21 +0000 (+0100) Subject: arm64: dts: ti: k3-am642-phyboard-electra: Add TPM support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=742b9732e88a0b0d24a4cffd8aaa343a2aee6683;p=linux.git arm64: dts: ti: k3-am642-phyboard-electra: Add TPM support The phyBOARD-Electra populates a TPM module on SPI0 bus. Add support for the Infineon SLB9670 TPM module. Signed-off-by: Wadim Egorov Link: https://lore.kernel.org/r/20240123102921.1348777-1-w.egorov@phytec.de Signed-off-by: Vignesh Raghavendra --- diff --git a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts index 53b64e55413f9..8a518a86abc24 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts @@ -159,6 +159,15 @@ >; }; + main_spi0_pins_default: main-spi0-default-pins { + pinctrl-single,pins = < + AM64X_IOPAD(0x020c, PIN_OUTPUT, 7) /* (C13) SPI0_CS1.GPIO1_43 */ + AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */ + AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */ + AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */ + >; + }; + main_uart0_pins_default: main-uart0-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x0230, PIN_INPUT, 0) /* (D15) UART0_RXD */ @@ -248,6 +257,20 @@ phys = <&can_tc2>; }; +&main_spi0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_spi0_pins_default>; + cs-gpios = <0>, <&main_gpio1 43 GPIO_ACTIVE_LOW>; + ti,pindir-d0-out-d1-in; + + tpm@1 { + compatible = "infineon,slb9670", "tcg,tpm_tis-spi"; + reg = <1>; + spi-max-frequency = <10000000>; + }; +}; + &main_uart0 { status = "okay"; pinctrl-names = "default";