arm64: dts: freescale: imx8mm-phyboard-polis: Add TPM node

Add TPM node for phyBOARD-Polis i.MX 8M Mini which has the Infineon-SLB
9670 TPM2.0 module populated.
Signed-off-by: Yashwanth Varakala <y.varakala@phytec.de>
Signed-off-by: Yannic Moog <y.moog@phytec.de>
Signed-off-by: Cem Tenruh <c.tenruh@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts

@@ -140,6 +140,27 @@ can0: can@0 {
 	};
 };
 
+/* TPM */
+&ecspi2 {
+	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
+	fsl,spi-num-chipselects = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi2>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	tpm: tpm@0 {
+		compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
+		interrupt-parent = <&gpio2>;
+		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_tpm>;
+		reg = <0>;
+		spi-max-frequency = <43000000>;
+	};
+};
+
 &gpio1 {
 	gpio-line-names = "nINT_ETHPHY", "LED_RED", "WDOG_INT", "X_RTC_INT",
 		"", "", "", "RESET_ETHPHY",
@@ -333,6 +354,15 @@ MX8MM_IOMUXC_ECSPI1_SS0_GPIO5_IO9	0x00
 		>;
 	};
 
+	pinctrl_ecspi2: ecspi2grp {
+		fsl,pins = <
+			MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO    0x80
+			MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI    0x80
+			MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK    0x80
+			MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13      0x00
+		>;
+	};
+
 	pinctrl_fan: fan0grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_SAI1_RXD6_GPIO4_IO8	0x16
@@ -368,6 +398,12 @@ MX8MM_IOMUXC_SD2_RESET_B_GPIO2_IO19	0x40
 		>;
 	};
 
+	pinctrl_tpm: tpmgrp {
+		fsl,pins = <
+			MX8MM_IOMUXC_SD1_STROBE_GPIO2_IO11      0x140
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX	0x00