[PATCH v2 1/2] arm64: dts: renesas: r8a779g0: Add SCIF nodes

From: Geert Uytterhoeven <geert+renesas@glider.be>
To: Magnus Damm <magnus.damm@gmail.com>
Cc: linux-renesas-soc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Geert Uytterhoeven <geert+renesas@glider.be>
Subject: [PATCH v2 1/2] arm64: dts: renesas: r8a779g0: Add SCIF nodes
Date: Fri,  7 Oct 2022 17:24:57 +0200	[thread overview]
Message-ID: <20dc2d1985fef5fb432cd2ef0fbaaecb33743473.1665156023.git.geert+renesas@glider.be> (raw)
In-Reply-To: <cover.1665156023.git.geert+renesas@glider.be>

Add device nodes for the Serial Communication Interfaces with FIFO
(SCIF) on the Renesas R-Car V4H (R8A779G0) SoC, including DMA support.

Based on patches in the BSP by Takeshi Kihara and Vinh Nguyen.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
v2:
  - Replace S0D3_PER by SASYNCPERD1, as per R-Car V4H Hardware User's
    Manual rev. 0.54.
---
 arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 68 +++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
index c941054f4980667b..24cf49532223007c 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
@@ -512,6 +512,74 @@ avb2: ethernet@e6820000 {
 			status = "disabled";
 		};
 
+		scif0: serial@e6e60000 {
+			compatible = "renesas,scif-r8a779g0",
+				     "renesas,rcar-gen4-scif", "renesas,scif";
+			reg = <0 0xe6e60000 0 0x64>;
+			interrupts = <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 702>,
+				 <&cpg CPG_CORE R8A779G0_CLK_SASYNCPERD1>,
+				 <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x51>, <&dmac0 0x50>,
+			       <&dmac1 0x51>, <&dmac1 0x50>;
+			dma-names = "tx", "rx", "tx", "rx";
+			power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
+			resets = <&cpg 702>;
+			status = "disabled";
+		};
+
+		scif1: serial@e6e68000 {
+			compatible = "renesas,scif-r8a779g0",
+				     "renesas,rcar-gen4-scif", "renesas,scif";
+			reg = <0 0xe6e68000 0 0x64>;
+			interrupts = <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 703>,
+				 <&cpg CPG_CORE R8A779G0_CLK_SASYNCPERD1>,
+				 <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x53>, <&dmac0 0x52>,
+			       <&dmac1 0x53>, <&dmac1 0x52>;
+			dma-names = "tx", "rx", "tx", "rx";
+			power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
+			resets = <&cpg 703>;
+			status = "disabled";
+		};
+
+		scif3: serial@e6c50000 {
+			compatible = "renesas,scif-r8a779g0",
+				     "renesas,rcar-gen4-scif", "renesas,scif";
+			reg = <0 0xe6c50000 0 0x64>;
+			interrupts = <GIC_SPI 253 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 704>,
+				 <&cpg CPG_CORE R8A779G0_CLK_SASYNCPERD1>,
+				 <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x57>, <&dmac0 0x56>,
+			       <&dmac1 0x57>, <&dmac1 0x56>;
+			dma-names = "tx", "rx", "tx", "rx";
+			power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
+			resets = <&cpg 704>;
+			status = "disabled";
+		};
+
+		scif4: serial@e6c40000 {
+			compatible = "renesas,scif-r8a779g0",
+				     "renesas,rcar-gen4-scif", "renesas,scif";
+			reg = <0 0xe6c40000 0 0x64>;
+			interrupts = <GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 705>,
+				 <&cpg CPG_CORE R8A779G0_CLK_SASYNCPERD1>,
+				 <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x59>, <&dmac0 0x58>,
+			       <&dmac1 0x59>, <&dmac1 0x58>;
+			dma-names = "tx", "rx", "tx", "rx";
+			power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
+			resets = <&cpg 705>;
+			status = "disabled";
+		};
+
 		msiof0: spi@e6e90000 {
 			compatible = "renesas,msiof-r8a779g0",
 				     "renesas,rcar-gen4-msiof";
-- 
2.25.1

