linux-kernel - [PATCH v4 12/14] ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP13

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Date:   Mon, 16 May 2022 09:05:58 +0200
From:   <gabriel.fernandez@...s.st.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Gabriel Fernandez <gabriel.fernandez@...s.st.com>
CC:     <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 12/14] ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP13

From: Gabriel Fernandez <gabriel.fernandez@...s.st.com>

Enable optee and SCMI clocks support.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
---
 arch/arm/boot/dts/stm32mp131.dtsi | 37 +++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi
index f9ebc47e6421..8f73a308116d 100644
--- a/arch/arm/boot/dts/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/stm32mp131.dtsi
@@ -27,6 +27,30 @@ arm-pmu {
 		interrupt-parent = <&intc>;
 	};
 
+	firmware {
+		optee {
+			method = "smc";
+			compatible = "linaro,optee-tz";
+		};
+
+		scmi: scmi {
+			compatible = "linaro,scmi-optee";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			linaro,optee-channel-id = <0>;
+			shmem = <&scmi_shm>;
+
+			scmi_clk: protocol@14 {
+				reg = <0x14>;
+				#clock-cells = <1>;
+			};
+
+			scmi_reset: protocol@16 {
+				reg = <0x16>;
+				#reset-cells = <1>;
+			};
+		};
+	};
 	clocks {
 		clk_axi: clk-axi {
 			#clock-cells = <0>;
@@ -113,6 +137,19 @@ soc {
 		interrupt-parent = <&intc>;
 		ranges;
 
+		scmi_sram: sram@...ff000 {
+			compatible = "mmio-sram";
+			reg = <0x2ffff000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x2ffff000 0x1000>;
+
+			scmi_shm: scmi-sram@0 {
+				compatible = "arm,scmi-shmem";
+				reg = <0 0x80>;
+			};
+		};
+
 		uart4: serial@...10000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x40010000 0x400>;
-- 
2.25.1