The phyBOARD-Electra populates a TPM module on SPI0 bus.
Add support for the Infineon SLB9670 TPM module.
Signed-off-by: Wadim Egorov <w.egorov@xxxxxxxxx>
---
.../dts/ti/k3-am642-phyboard-electra-rdk.dts | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)
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 53b64e55413f..8a518a86abc2 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 @@ AM64X_IOPAD(0x0298, PIN_INPUT_PULLUP, 0) /* (D19) MMC1_SDCD */
>;
};
+ 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 @@ &main_mcan1 {
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";
--
2.25.1
