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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2020-05-15 18:08:43 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2020-06-15 11:28:45 +0300
commit9af42b81cfc7f48d5384fc6a6c382dc716b45563 (patch)
tree01322028a9d8d4c1bd8bd282a07d083c69ff318d /arch
parentb3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff)
downloadlinux-9af42b81cfc7f48d5384fc6a6c382dc716b45563.tar.xz
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 <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1589555337-5498-4-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/r8a7742.dtsi122
1 files changed, 122 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7742.dtsi b/arch/arm/boot/dts/r8a7742.dtsi
index 305d8086a3dd..f28c32d239f5 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 = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>;
+ 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 = <GIC_SPI 288 IRQ_TYPE_LEVEL_HIGH>;
+ 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 = <GIC_SPI 286 IRQ_TYPE_LEVEL_HIGH>;
+ 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 = <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>;
+ 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 = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+ 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 = <GIC_SPI 175 IRQ_TYPE_LEVEL_HIGH>;
+ 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 = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+ 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 = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;
+ 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";