[RFC PATCH 14/22] arm64: dts: ti: k3-am62a: Add DDR and controller node

MANNURU VENKATESWARLU v-mannuru at ti.com
Tue Jul 14 05:56:05 PDT 2026


From: Santhosh Kumar K <s-k6 at ti.com>

Add DDR Controller and LPDDR4 node for AM62Ax device. This defines the
memory controller with its register regions, interrupts, power domains
and clock requirements.

Signed-off-by: Santhosh Kumar K <s-k6 at ti.com>
Signed-off-by: Gandhar Deshpande <g-deshpande at ti.com>
Signed-off-by: Neha Malcom Francis <n-francis at ti.com>
Signed-off-by: MANNURU VENKATESWARLU <v-mannuru at ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 33 +++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index 9e5b75a4e88e2..9629b790aa25a 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -1172,4 +1172,37 @@ e5010: jpeg-encoder at fd20000 {
 		power-domains = <&k3_pds 201 TI_SCI_PD_EXCLUSIVE>;
 		interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
 	};
+
+	memorycontroller: memory-controller at f300000 {
+		compatible = "ti,am62a-ddrss";
+		reg = <0x00 0x0f308000 0x00 0x4000>,
+		      <0x00 0x43014000 0x00 0x100>,
+		      <0x00 0x0f300000 0x00 0x200>;
+		reg-names = "cfg", "ctrl_mmr_lp4", "ss_cfg";
+		power-domains = <&k3_pds 170 TI_SCI_PD_SHARED>,
+				<&k3_pds 55 TI_SCI_PD_SHARED>;
+		interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x00 0x0000 0x00 0x0f308000 0x00 0x5e10>;
+		ti,ddr-freq1   = <0>;
+		ti,ddr-freq2   = <0>;
+		ti,ddr-fhs-cnt = <0>;
+		clocks = <&k3_clks 170 1>, <&k3_clks 16 4>;
+		bootph-pre-ram;
+
+		ddr: ddr at 0 {
+			compatible = "cdns,k3-ddr";
+			reg = <0x00 0x0000 0x00 0x6cc>,
+			      <0x00 0x2000 0x00 0x6a0>,
+			      <0x00 0x4000 0x00 0x1e10>;
+			reg-names = "ctl_cfg", "ctl_cfg_pi", "ctl_cfg_phy";
+			bootph-pre-ram;
+		};
+
+		ddr_pmu0: ddr-pmu at 100 {
+			compatible = "ti,k3-ddr-pmu";
+			reg = <0x00 0x100 0x00 0x14>;
+		};
+	};
 };
-- 
2.34.1




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