linux-kernel - [PATCH v2 2/2] ARM: mediatek: dts: activate SMP for mt6582

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Date:   Sat,  1 Jan 2022 19:01:37 +0500
From:   Maxim Kutnij <gtk3@...ox.ru>
To:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Maxim Kutnij <gtk3@...ox.ru>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/2] ARM: mediatek: dts: activate SMP for mt6582

This patch adds nodes mt6589-smp, pmu and arm,armv7-timer.

Signed-off-by: Maxim Kutnij <gtk3@...ox.ru>
---
 arch/arm/boot/dts/mt6582.dtsi | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/mt6582.dtsi b/arch/arm/boot/dts/mt6582.dtsi
index 426337178..2d5cb3bdd 100644
--- a/arch/arm/boot/dts/mt6582.dtsi
+++ b/arch/arm/boot/dts/mt6582.dtsi
@@ -15,29 +15,39 @@ / {
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		enable-method = "mediatek,mt6589-smp";
 
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x0>;
 		};
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x1>;
 		};
-		cpu@2 {
+		cpu2: cpu@2 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x2>;
 		};
-		cpu@3 {
+		cpu3: cpu@3 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x3>;
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 5 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 6 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 7 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
 	system_clk: dummy13m {
 		compatible = "fixed-clock";
 		clock-frequency = <13000000>;
@@ -56,7 +66,18 @@ uart_clk: dummy26m {
 		#clock-cells = <0>;
 	};
 
-	timer: timer@...08000 {
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+		clock-frequency = <13000000>;
+		arm,cpu-registers-not-fw-configured;
+	};
+
+	timer: timer@...08000 {
 		compatible = "mediatek,mt6577-timer";
 		reg = <0x10008000 0x80>;
 		interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
-- 
2.33.1