diff mbox series

[1/2] arm64: dts: renesas: r8a779h0: Add I2C nodes

Message ID 7dbbe13428273c5786ddff6ea7af6724fcdd4de8.1706796660.git.geert+renesas@glider.be (mailing list archive)
State New, archived
Headers show
Series arm64: dts: renesas: r8a779h0/gray-hawk-single: Add I2C and EEPROM support | expand

Commit Message

Geert Uytterhoeven Feb. 1, 2024, 2:14 p.m. UTC 
From: Hai Pham <hai.pham.ud@renesas.com>

Add device nodes for the I2C Bus Interfaces on the Renesas R-Car V4M
(R8A779H0) SoC.

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
Changes compared to the BSP:
  - Incorporate i2c2 fix from "arm64: dts: renesas: r8a779h0: Sort IPMMU driver nodes".
---
 arch/arm64/boot/dts/renesas/r8a779h0.dtsi | 56 +++++++++++++++++++++++
 1 file changed, 56 insertions(+)

Comments

Wolfram Sang Feb. 3, 2024, 5:52 p.m. UTC | #1 
On Thu, Feb 01, 2024 at 03:14:33PM +0100, Geert Uytterhoeven wrote:
> From: Hai Pham <hai.pham.ud@renesas.com>
> 
> Add device nodes for the I2C Bus Interfaces on the Renesas R-Car V4M
> (R8A779H0) SoC.
> 
> Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

So far so good...

Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

I assume DMA nodes are not there yet because you use these nodes for
testing DMA when you enable the DMACs?
Geert Uytterhoeven Feb. 5, 2024, 8:17 a.m. UTC | #2 
Hi Wolfram,

On Sat, Feb 3, 2024 at 6:52 PM Wolfram Sang <wsa@kernel.org> wrote:
> On Thu, Feb 01, 2024 at 03:14:33PM +0100, Geert Uytterhoeven wrote:
> > From: Hai Pham <hai.pham.ud@renesas.com>
> >
> > Add device nodes for the I2C Bus Interfaces on the Renesas R-Car V4M
> > (R8A779H0) SoC.
> >
> > Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> So far so good...
>
> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Thanks!

> I assume DMA nodes are not there yet because you use these nodes for
> testing DMA when you enable the DMACs?

Indeed, DMAC support is not yet included.

Gr{oetje,eeting}s,

                        Geert
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
index f5a688e300d29a73..8121aadaf6999429 100644
--- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
@@ -99,6 +99,62 @@  sysc: system-controller@e6180000 {
 			#power-domain-cells = <1>;
 		};
 
+		i2c0: i2c@e6500000 {
+			compatible = "renesas,i2c-r8a779h0",
+				     "renesas,rcar-gen4-i2c";
+			reg = <0 0xe6500000 0 0x40>;
+			interrupts = <GIC_SPI 610 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 518>;
+			power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
+			resets = <&cpg 518>;
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@e6508000 {
+			compatible = "renesas,i2c-r8a779h0",
+				     "renesas,rcar-gen4-i2c";
+			reg = <0 0xe6508000 0 0x40>;
+			interrupts = <GIC_SPI 611 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 519>;
+			power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
+			resets = <&cpg 519>;
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c2: i2c@e6510000 {
+			compatible = "renesas,i2c-r8a779h0",
+				     "renesas,rcar-gen4-i2c";
+			reg = <0 0xe6510000 0 0x40>;
+			interrupts = <GIC_SPI 612 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 520>;
+			power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
+			resets = <&cpg 520>;
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c3: i2c@e66d0000 {
+			compatible = "renesas,i2c-r8a779h0",
+				     "renesas,rcar-gen4-i2c";
+			reg = <0 0xe66d0000 0 0x40>;
+			interrupts = <GIC_SPI 613 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 521>;
+			power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
+			resets = <&cpg 521>;
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		hscif0: serial@e6540000 {
 			compatible = "renesas,hscif-r8a779h0",
 				     "renesas,rcar-gen4-hscif", "renesas,hscif";