From 9af42b81cfc7f48d5384fc6a6c382dc716b45563 Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Fri, 15 May 2020 16:08:43 +0100 Subject: [PATCH] ARM: dts: r8a7742: Add I2C and IIC support Add the I2C[0-3] and IIC[0-3] device nodes to the R8A7742 device tree. Automatic transmission for PMIC control is not available on IIC3 hence compatible strings "renesas,rcar-gen2-iic" and "renesas,rmobile-iic" are not added to iic3 node. Signed-off-by: Lad Prabhakar Reviewed-by: Marian-Cristian Rotariu Link: https://lore.kernel.org/r/1589555337-5498-4-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- arch/arm/boot/dts/r8a7742.dtsi | 122 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) diff --git a/arch/arm/boot/dts/r8a7742.dtsi b/arch/arm/boot/dts/r8a7742.dtsi index 305d808..f28c32d 100644 --- a/arch/arm/boot/dts/r8a7742.dtsi +++ b/arch/arm/boot/dts/r8a7742.dtsi @@ -359,6 +359,128 @@ ranges = <0 0 0xe6300000 0x40000>; }; + i2c0: i2c@e6508000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,i2c-r8a7742", + "renesas,rcar-gen2-i2c"; + reg = <0 0xe6508000 0 0x40>; + interrupts = ; + clocks = <&cpg CPG_MOD 931>; + power-domains = <&sysc R8A7742_PD_ALWAYS_ON>; + resets = <&cpg 931>; + i2c-scl-internal-delay-ns = <110>; + status = "disabled"; + }; + + i2c1: i2c@e6518000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,i2c-r8a7742", + "renesas,rcar-gen2-i2c"; + reg = <0 0xe6518000 0 0x40>; + interrupts = ; + clocks = <&cpg CPG_MOD 930>; + power-domains = <&sysc R8A7742_PD_ALWAYS_ON>; + resets = <&cpg 930>; + i2c-scl-internal-delay-ns = <6>; + status = "disabled"; + }; + + i2c2: i2c@e6530000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,i2c-r8a7742", + "renesas,rcar-gen2-i2c"; + reg = <0 0xe6530000 0 0x40>; + interrupts = ; + clocks = <&cpg CPG_MOD 929>; + power-domains = <&sysc R8A7742_PD_ALWAYS_ON>; + resets = <&cpg 929>; + i2c-scl-internal-delay-ns = <6>; + status = "disabled"; + }; + + i2c3: i2c@e6540000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,i2c-r8a7742", + "renesas,rcar-gen2-i2c"; + reg = <0 0xe6540000 0 0x40>; + interrupts = ; + clocks = <&cpg CPG_MOD 928>; + power-domains = <&sysc R8A7742_PD_ALWAYS_ON>; + resets = <&cpg 928>; + i2c-scl-internal-delay-ns = <110>; + status = "disabled"; + }; + + iic0: i2c@e6500000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,iic-r8a7742", + "renesas,rcar-gen2-iic", + "renesas,rmobile-iic"; + reg = <0 0xe6500000 0 0x425>; + interrupts = ; + clocks = <&cpg CPG_MOD 318>; + dmas = <&dmac0 0x61>, <&dmac0 0x62>, + <&dmac1 0x61>, <&dmac1 0x62>; + dma-names = "tx", "rx", "tx", "rx"; + power-domains = <&sysc R8A7742_PD_ALWAYS_ON>; + resets = <&cpg 318>; + status = "disabled"; + }; + + iic1: i2c@e6510000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,iic-r8a7742", + "renesas,rcar-gen2-iic", + "renesas,rmobile-iic"; + reg = <0 0xe6510000 0 0x425>; + interrupts = ; + clocks = <&cpg CPG_MOD 323>; + dmas = <&dmac0 0x65>, <&dmac0 0x66>, + <&dmac1 0x65>, <&dmac1 0x66>; + dma-names = "tx", "rx", "tx", "rx"; + power-domains = <&sysc R8A7742_PD_ALWAYS_ON>; + resets = <&cpg 323>; + status = "disabled"; + }; + + iic2: i2c@e6520000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,iic-r8a7742", + "renesas,rcar-gen2-iic", + "renesas,rmobile-iic"; + reg = <0 0xe6520000 0 0x425>; + interrupts = ; + clocks = <&cpg CPG_MOD 300>; + dmas = <&dmac0 0x69>, <&dmac0 0x6a>, + <&dmac1 0x69>, <&dmac1 0x6a>; + dma-names = "tx", "rx", "tx", "rx"; + power-domains = <&sysc R8A7742_PD_ALWAYS_ON>; + resets = <&cpg 300>; + status = "disabled"; + }; + + iic3: i2c@e60b0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,iic-r8a7742"; + reg = <0 0xe60b0000 0 0x425>; + interrupts = ; + clocks = <&cpg CPG_MOD 926>; + dmas = <&dmac0 0x77>, <&dmac0 0x78>, + <&dmac1 0x77>, <&dmac1 0x78>; + dma-names = "tx", "rx", "tx", "rx"; + power-domains = <&sysc R8A7742_PD_ALWAYS_ON>; + resets = <&cpg 926>; + status = "disabled"; + }; + dmac0: dma-controller@e6700000 { compatible = "renesas,dmac-r8a7742", "renesas,rcar-dmac"; -- 2.7.4