linux-kernel - [PATCH v1] arm64: dts: ti: verdin-am62: mallow: add TPM device

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Date: Fri, 26 Jan 2024 17:51:36 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Nishanth Menon <nm@...com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Francesco Dolcini <francesco.dolcini@...adex.com>,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1] arm64: dts: ti: verdin-am62: mallow: add TPM device

From: Francesco Dolcini <francesco.dolcini@...adex.com>

Add TPM device to Mallow device tree file, the device is connected to
the SoC with SPI1/CS1, the same SPI interface is also available on an
extension header together with an additional CS0 signal.

Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
---
 arch/arm64/boot/dts/ti/k3-am62-verdin-mallow.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-mallow.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-mallow.dtsi
index 17b93534f658..77b1beb638ad 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-verdin-mallow.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-mallow.dtsi
@@ -127,6 +127,16 @@ &main_spi1 {
 		    <&pinctrl_qspi1_cs2_gpio>;
 	cs-gpios = <0>, <&main_gpio0 12 GPIO_ACTIVE_LOW>;
 	status = "okay";
+
+	tpm@1 {
+		compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
+		reg = <1>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_qspi1_dqs_gpio>;
+		interrupt-parent = <&main_gpio1>;
+		interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+		spi-max-frequency = <18500000>;
+	};
 };
 
 /* Verdin UART_3 */
-- 
2.39.2