From: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx> 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 <takeshi.kihara.df@xxxxxxxxxxx> Signed-off-by: Yoshihiro Kaneko <ykaneko0929@xxxxxxxxx> --- This patch is based on the devel branch of Simon Horman's renesas tree. 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 a437862..9df0751 100644 --- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi @@ -213,6 +213,9 @@ 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"; }; @@ -227,6 +230,9 @@ 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"; }; @@ -241,6 +247,9 @@ 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"; }; @@ -255,6 +264,8 @@ 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"; }; @@ -269,6 +280,8 @@ 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"; }; @@ -283,6 +296,8 @@ 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"; }; @@ -297,6 +312,8 @@ 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"; }; -- 1.9.1
