Thread (42 messages) 42 messages, 2 authors, 2018-11-30
STALE2754d REVIEWED: 7 (6M)

[PATCH 38/40] arm64: dts: renesas: r8a77990: Enable I2C DMA

From: Simon Horman <hidden>
Date: 2018-11-26 12:55:04
Also in: linux-renesas-soc
Subsystem: arm/risc-v/renesas architecture, the rest · Maintainers: Geert Uytterhoeven, Magnus Damm, Linus Torvalds

From: Takeshi Kihara <redacted>

This patch enables I2C DMA.

NOTE: I2C7 DMA is not supported by R-Car Gen3 Hardware User's Manual
Rev.0.80E.

Signed-off-by: Takeshi Kihara <redacted>
Signed-off-by: Yoshihiro Kaneko <redacted>
Tested-by: Simon Horman <redacted>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <redacted>
---
 arch/arm64/boot/dts/renesas/r8a77990.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index 3b334be843f4..de25eda4f2f4 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -250,6 +250,9 @@
 			clocks = <&cpg CPG_MOD 931>;
 			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
 			resets = <&cpg 931>;
+			dmas = <&dmac1 0x91>, <&dmac1 0x90>,
+			       <&dmac2 0x91>, <&dmac2 0x90>;
+			dma-names = "tx", "rx", "tx", "rx";
 			i2c-scl-internal-delay-ns = <110>;
 			status = "disabled";
 		};
@@ -264,6 +267,9 @@
 			clocks = <&cpg CPG_MOD 930>;
 			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
 			resets = <&cpg 930>;
+			dmas = <&dmac1 0x93>, <&dmac1 0x92>,
+			       <&dmac2 0x93>, <&dmac2 0x92>;
+			dma-names = "tx", "rx", "tx", "rx";
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
@@ -278,6 +284,9 @@
 			clocks = <&cpg CPG_MOD 929>;
 			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
 			resets = <&cpg 929>;
+			dmas = <&dmac1 0x95>, <&dmac1 0x94>,
+			       <&dmac2 0x95>, <&dmac2 0x94>;
+			dma-names = "tx", "rx", "tx", "rx";
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
@@ -292,6 +301,8 @@
 			clocks = <&cpg CPG_MOD 928>;
 			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
 			resets = <&cpg 928>;
+			dmas = <&dmac0 0x97>, <&dmac0 0x96>;
+			dma-names = "tx", "rx";
 			i2c-scl-internal-delay-ns = <110>;
 			status = "disabled";
 		};
@@ -306,6 +317,8 @@
 			clocks = <&cpg CPG_MOD 927>;
 			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
 			resets = <&cpg 927>;
+			dmas = <&dmac0 0x99>, <&dmac0 0x98>;
+			dma-names = "tx", "rx";
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
@@ -320,6 +333,8 @@
 			clocks = <&cpg CPG_MOD 919>;
 			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
 			resets = <&cpg 919>;
+			dmas = <&dmac0 0x9b>, <&dmac0 0x9a>;
+			dma-names = "tx", "rx";
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
@@ -334,6 +349,8 @@
 			clocks = <&cpg CPG_MOD 918>;
 			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
 			resets = <&cpg 918>;
+			dmas = <&dmac0 0x9d>, <&dmac0 0x9c>;
+			dma-names = "tx", "rx";
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
-- 
2.11.0
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