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@xxxxxxxxx>
---
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
