linux-kernel - [PATCH v2 2/3] riscv: dts: starfive: jh7110: add DMC memory controller

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Message-ID: <20250815073739.79241-3-e@freeshell.de>
Date: Fri, 15 Aug 2025 00:37:22 -0700
From: E Shattow <e@...eshell.de>
To: Conor Dooley <conor@...nel.org>,
	Emil Renner Berthing <kernel@...il.dk>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Hal Feng <hal.feng@...rfivetech.com>,
	Minda Chen <minda.chen@...rfivetech.com>,
	E Shattow <e@...eshell.de>,
	linux-riscv@...ts.infradead.org
Subject: [PATCH v2 2/3] riscv: dts: starfive: jh7110: add DMC memory controller

Add JH7110 SoC DDR external memory controller.

Signed-off-by: E Shattow <e@...eshell.de>
---
 arch/riscv/boot/dts/starfive/jh7110.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 0ba74ef04679..14df3d062a45 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -372,6 +372,18 @@ ccache: cache-controller@...0000 {
 			cache-unified;
 		};
 
+		memory-controller@...00000 {
+			compatible = "starfive,jh7110-dmc";
+			reg = <0x0 0x15700000 0x0 0x10000>,
+			      <0x0 0x13000000 0x0 0x10000>;
+			clocks = <&syscrg JH7110_PLLCLK_PLL1_OUT>;
+			clock-names = "pll1_out";
+			resets = <&syscrg JH7110_SYSRST_DDR_AXI>,
+				 <&syscrg JH7110_SYSRST_DDR_OSC>,
+				 <&syscrg JH7110_SYSRST_DDR_APB>;
+			reset-names = "axi", "osc", "apb";
+		};
+
 		plic: interrupt-controller@...0000 {
 			compatible = "starfive,jh7110-plic", "sifive,plic-1.0.0";
 			reg = <0x0 0xc000000 0x0 0x4000000>;
-- 
2.50.0