linux-kernel - [PATCH 3/4] arm64:dts:meson: Add DDR PMU node

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Date:   Tue, 12 Jul 2022 14:36:40 +0800
From:   Jiucheng Xu <jiucheng.xu@...ogic.com>
To:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>, <devicetree@...r.kernel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Will Deacon <will@...nel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Chris Healy <cphealy@...il.com>,
        Jiucheng Xu <jiucheng.xu@...ogic.com>
Subject: [PATCH 3/4] arm64:dts:meson: Add DDR PMU node

Add DDR PMU device node for G12 series SoC

Signed-off-by: Jiucheng Xu <jiucheng.xu@...ogic.com>
---
 arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 11 +++++++++++
 arch/arm64/boot/dts/amlogic/meson-g12a.dtsi       |  4 ++++
 arch/arm64/boot/dts/amlogic/meson-g12b.dtsi       |  4 ++++
 arch/arm64/boot/dts/amlogic/meson-sm1.dtsi        |  4 ++++
 4 files changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 45947c1031c4..dc9da2f29b30 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2146,6 +2146,17 @@ hdmi_tx_out: endpoint {
 			};
 		};
 
+		ddr_pmu: ddr_pmu {
+			compatible = "amlogic,g12-ddr-pmu";
+			status = "okay";
+			dmc_nr = <1>;
+			chann_nr = <4>;
+			reg = <0x0 0xff638000 0x0 0x100
+				0x0 0xff638c00 0x0 0x100>;
+			interrupts = <GIC_SPI 52 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "ddr_pmu";
+		};
+
 		gic: interrupt-controller@...01000 {
 			compatible = "arm,gic-400";
 			reg = <0x0 0xffc01000 0 0x1000>,
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index fb0ab27d1f64..78bd33fb5553 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -133,3 +133,7 @@ map1 {
 		};
 	};
 };
+
+&ddr_pmu {
+	model = "g12a";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
index ee8fcae9f9f0..3f4df1f58f95 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
@@ -139,3 +139,7 @@ map1 {
 &mali {
 	dma-coherent;
 };
+
+&ddr_pmu {
+	model = "g12b";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
index 80737731af3f..a0c15fd0ce9b 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
@@ -543,3 +543,7 @@ &vpu {
 &usb {
 	power-domains = <&pwrc PWRC_SM1_USB_ID>;
 };
+
+&ddr_pmu {
+	model = "sm1";
+};
-- 
2.25.1