arm64: dts: renesas: r8a77970: add I2C support
Subsystems (2)
PATCH 1/2 arm64: dts: renesas: r8a77970: add I2C support
Define the generic R8A77970 parts of the I2C[0-4] device node.
Based on the original (and large) patch by Daisuke Matsushita <[email protected]>.
--- arch/arm64/boot/dts/renesas/r8a77970.dtsi | 88 ++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+)
arch/arm64/boot/dts/renesas/r8a77970.dtsi +88 -0
@@ -18,6 +18,14 @@ #address-cells = <2>; #size-cells = <2>; + aliases { + i2c0 = &i2c0; + i2c1 = &i2c1; + i2c2 = &i2c2; + i2c3 = &i2c3; + i2c4 = &i2c4; + }; + psci { compatible = "arm,psci-1.0", "arm,psci-0.2"; method = "smc";
@@ -483,5 +491,85 @@ #address-cells = <1>; #size-cells = <0>; }; + + i2c0: i2c at e6500000 { + compatible = "renesas,i2c-r8a77970", + "renesas,rcar-gen3-i2c"; + reg = <0 0xe6500000 0 0x40>; + interrupts = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 931>; + power-domains = <&sysc 32>; + resets = <&cpg 931>; + dmas = <&dmac1 0x91>, <&dmac1 0x90>; + dma-names = "tx", "rx"; + i2c-scl-internal-delay-ns = <6>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c1: i2c at e6508000 { + compatible = "renesas,i2c-r8a77970", + "renesas,rcar-gen3-i2c"; + reg = <0 0xe6508000 0 0x40>; + interrupts = <GIC_SPI 288 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 930>; + power-domains = <&sysc 32>; + resets = <&cpg 930>; + dmas = <&dmac1 0x93>, <&dmac1 0x92>; + dma-names = "tx", "rx"; + i2c-scl-internal-delay-ns = <6>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c2: i2c at e6510000 { + compatible = "renesas,i2c-r8a77970", + "renesas,rcar-gen3-i2c"; + reg = <0 0xe6510000 0 0x40>; + interrupts = <GIC_SPI 286 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 929>; + power-domains = <&sysc 32>; + resets = <&cpg 929>; + dmas = <&dmac1 0x95>, <&dmac1 0x94>; + dma-names = "tx", "rx"; + i2c-scl-internal-delay-ns = <6>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c3: i2c at e66d0000 { + compatible = "renesas,i2c-r8a77970", + "renesas,rcar-gen3-i2c"; + reg = <0 0xe66d0000 0 0x40>; + interrupts = <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 928>; + power-domains = <&sysc 32>; + resets = <&cpg 928>; + dmas = <&dmac1 0x97>, <&dmac1 0x96>; + dma-names = "tx", "rx"; + i2c-scl-internal-delay-ns = <6>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c4: i2c at e66d8000 { + compatible = "renesas,i2c-r8a77970", + "renesas,rcar-gen3-i2c"; + reg = <0 0xe66d8000 0 0x40>; + interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 927>; + power-domains = <&sysc 32>; + resets = <&cpg 927>; + dmas = <&dmac1 0x99>, <&dmac1 0x98>; + dma-names = "tx", "rx"; + i2c-scl-internal-delay-ns = <6>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; };
PATCH 1/2 arm64: dts: renesas: r8a77970: add I2C support
Hi Sergei,
Quoted 7 lines · Sergei Shtylyov
Define the generic R8A77970 parts of the I2C[0-4] device node.
Based on the original (and large) patch by Daisuke Matsushita <[email protected]>.
Signed-off-by Vladimir Barinov <[email protected]>Signed-off-by Sergei Shtylyov <[email protected]>
Thanks for your patch!
Quoted 7 lines
arch/arm64/boot/dts/renesas/r8a77970.dtsi +0
-0@@ -483,5 +491,85 @@ #address-cells = <1>; #size-cells = <0>; };
arch/arm64/boot/dts/renesas/r8a77970.dtsi line 503
Quoted 10 lines
arch/arm64/boot/dts/renesas/r8a77970.dtsi +10
-0+ + i2c0: i2c at e6500000 { + compatible = "renesas,i2c-r8a77970", + "renesas,rcar-gen3-i2c"; + reg = <0 0xe6500000 0 0x40>; + interrupts = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 931>; + power-domains = <&sysc 32>; + resets = <&cpg 931>; + dmas = <&dmac1 0x91>, <&dmac1 0x90>;
Can't all five i2c interfaces be used with both dmac1 and dmac2?
With that fixed:
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
PATCH 1/2 arm64: dts: renesas: r8a77970: add I2C support
Quoted 34 lines · Geert Uytterhoeven
Hi Sergei,
Quoted 7 lines · Sergei Shtylyov
Define the generic R8A77970 parts of the I2C[0-4] device node.
Based on the original (and large) patch by Daisuke Matsushita <[email protected]>.
Signed-off-by Vladimir Barinov <[email protected]>Signed-off-by Sergei Shtylyov <[email protected]>Thanks for your patch!
Quoted 7 lines
arch/arm64/boot/dts/renesas/r8a77970.dtsi +0
-0@@ -483,5 +491,85 @@ #address-cells = <1>; #size-cells = <0>; };arch/arm64/boot/dts/renesas/r8a77970.dtsi line 503
Quoted 10 lines
arch/arm64/boot/dts/renesas/r8a77970.dtsi +10
-0+ + i2c0: i2c at e6500000 { + compatible = "renesas,i2c-r8a77970", + "renesas,rcar-gen3-i2c"; + reg = <0 0xe6500000 0 0x40>; + interrupts = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 931>; + power-domains = <&sysc 32>; + resets = <&cpg 931>; + dmas = <&dmac1 0x91>, <&dmac1 0x90>;Can't all five i2c interfaces be used with both dmac1 and dmac2?
Quoted 2 lines
With that fixed:
Reviewed-by Geert Uytterhoeven <[email protected]>
Hi Sergei,
I have marked this series as "Changes Requested" in light of Geert's review above.