linux-kernel - [PATCH v3 3/4] arm64: dts: meson: Add DDR PMU node

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Date:   Mon, 1 Aug 2022 14:00:48 +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 v3 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>
---
Changes v2 -> v3:
  - No change

Changes v1 -> v2:
  - Remove model, dmc_nr, chann_nr properties
  - Add g12a-ddr-pmu, g12b-ddr-pmu, sm1-ddr-pmu compatibles as
    identifier
---
 arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 7 +++++++
 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, 19 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..7e556fe575be 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2146,6 +2146,13 @@ hdmi_tx_out: endpoint {
 			};
 		};
 
+		ddr_pmu: ddr_pmu@...38000 {
+			compatible = "amlogic,g12-ddr-pmu";
+			reg = <0x0 0xff638000 0x0 0x100
+			       0x0 0xff638c00 0x0 0x100>;
+			interrupts = <GIC_SPI 52 IRQ_TYPE_EDGE_RISING>;
+		};
+
 		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..4a32e081e70e 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 {
+	compatible = "amlogic,g12a-ddr-pmu";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
index ee8fcae9f9f0..d91eca5a9afc 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 {
+	compatible = "amlogic,g12b-ddr-pmu";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
index 80737731af3f..7d62c661fde5 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 {
+	compatible = "amlogic,sm1-ddr-pmu";
+};
-- 
2.25.1