linux-kernel - [PATCH] arm64: dts: ti: k3-am65-mcu: add system control module node

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Date:   Mon, 16 Dec 2019 21:39:33 +0200
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Tero Kristo <t-kristo@...com>, Nishanth Menon <nm@...com>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>
CC:     Sekhar Nori <nsekhar@...com>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: [PATCH] arm64: dts: ti: k3-am65-mcu: add system control module node

The MCU System control module support is added to the device tree to allow
drivers to access to their System control module registers.

Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
---
 arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 8 ++++++++
 arch/arm64/boot/dts/ti/k3-am65.dtsi     | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 27fc73f94cf9..3f76c2120b95 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -6,6 +6,14 @@
  */
 
 &cbass_mcu {
+	mcu_conf: scm_conf@...00000 {
+		compatible = "syscon", "simple-mfd";
+		reg = <0x0 0x40f00000 0x0 0x20000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x0 0x40f00000 0x20000>;
+	};
+
 	mcu_uart0: serial@...00000 {
 		compatible = "ti,am654-uart";
 			reg = <0x00 0x40a00000 0x00 0x100>;
diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi
index 6dfccd5d56c8..0923e71f663a 100644
--- a/arch/arm64/boot/dts/ti/k3-am65.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi
@@ -74,6 +74,7 @@
 			 /* MCUSS Range */
 			 <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>,
 			 <0x00 0x40200000 0x00 0x40200000 0x00 0x00900100>,
+			 <0x00 0x40f00000 0x00 0x40f00000 0x00 0x00020000>, /* CTRL_MMR0 */
 			 <0x00 0x41000000 0x00 0x41000000 0x00 0x00020000>,
 			 <0x00 0x41400000 0x00 0x41400000 0x00 0x00020000>,
 			 <0x00 0x41c00000 0x00 0x41c00000 0x00 0x00080000>,
@@ -88,6 +89,7 @@
 			#size-cells = <2>;
 			ranges = <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>, /* MCU NAVSS*/
 				 <0x00 0x40200000 0x00 0x40200000 0x00 0x00900100>, /* First peripheral window */
+				 <0x00 0x40f00000 0x00 0x40f00000 0x00 0x00020000>, /* CTRL_MMR0 */
 				 <0x00 0x41000000 0x00 0x41000000 0x00 0x00020000>, /* MCU R5F Core0 */
 				 <0x00 0x41400000 0x00 0x41400000 0x00 0x00020000>, /* MCU R5F Core1 */
 				 <0x00 0x41c00000 0x00 0x41c00000 0x00 0x00080000>, /* MCU SRAM */
-- 
2.17.1