Hi Wolfram, On Wed, Dec 23, 2020 at 6:25 PM Wolfram Sang <[email protected]> wrote: > From: Koji Matsuoka <[email protected]> > > Add I2C devicetree description to V3U > > Signed-off-by: Koji Matsuoka <[email protected]> > [wsa: rebased and double checked] > Signed-off-by: Wolfram Sang <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]> > --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi > +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi > @@ -14,6 +14,16 @@ / { > #address-cells = <2>; > #size-cells = <2>; > > + aliases { > + i2c0 = &i2c0; > + i2c1 = &i2c1; > + i2c2 = &i2c2; > + i2c3 = &i2c3; > + i2c4 = &i2c4; > + i2c5 = &i2c5; > + i2c6 = &i2c6; > + }; Do we need the i2c aliases? ;-) > @@ -115,6 +125,118 @@ sysc: system-controller@e6180000 { > #power-domain-cells = <1>; > }; > > + i2c0: i2c@e6500000 { > + compatible = "renesas,i2c-r8a779a0", > + "renesas,rcar-gen3-i2c"; > + reg = <0 0xe6500000 0 0x40>; > + interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&cpg CPG_MOD 518>; > + power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>; > + resets = <&cpg 518>; > + dmas = <&dmac1 0x91>, <&dmac1 0x90>; > + dma-names = "tx", "rx"; Might be wise to leave out the DMA properties until we have verified that DMA works? > + i2c-scl-internal-delay-ns = <110>; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "disabled"; > + }; Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] 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
