Re: [PATCH v6 4/4] arm64: dts: meson: Add DDR PMU node

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On 01/09/2022 04:45, Jiucheng Xu wrote:
Add DDR PMU device node for G12 series SoC

Signed-off-by: Jiucheng Xu <jiucheng.xu@xxxxxxxxxxx>
---
Changes v6 -> v5:
   - No change

Changes v5 -> v4:
   - Split reg into two items
   - Alphabet order location

Changes v3 -> v4:
   - No change

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 | 6 ++++++
  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, 18 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..9dbd50820b1c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -1705,6 +1705,12 @@ internal_ephy: ethernet_phy@8 {
  			};
  		};
+ pmu: pmu@ff638000 {
+			reg = <0x0 0xff638000 0x0 0x100>,
+			      <0x0 0xff638c00 0x0 0x100>;
+			interrupts = <GIC_SPI 52 IRQ_TYPE_EDGE_RISING>;
+		};
+
  		aobus: bus@ff800000 {
  			compatible = "simple-bus";
  			reg = <0x0 0xff800000 0x0 0x100000>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index fb0ab27d1f64..0e8b57283f31 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -133,3 +133,7 @@ map1 {
  		};
  	};
  };
+
+&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..18791ef51f58 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;
  };
+
+&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..c307b34ccd72 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
@@ -520,6 +520,10 @@ &pcie {
  	power-domains = <&pwrc PWRC_SM1_PCIE_ID>;
  };
+&pmu {
+	compatible = "amlogic,sm1-ddr-pmu";
+};
+
  &pwrc {
  	compatible = "amlogic,meson-sm1-pwrc";
  };

Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>



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