Re: [PATCH 1/2] arm64: dts: renesas: r8a77980: add I2C support

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Hi Simon,

On Tue, May 29, 2018 at 3:05 PM, Simon Horman <horms@xxxxxxxxxxxx> wrote:
> On Mon, May 28, 2018 at 11:13:08PM +0300, Sergei Shtylyov wrote:
>> Define the generic R8A77980 parts of the I2C[0-5] device node.
>>
>> Based on the original (and large) patch by Vladimir Barinov.
>>
>> Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>

>> +             i2c3: i2c@e66d0000 {
>> +                     compatible = "renesas,i2c-r8a77980",
>> +                                  "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 R8A77980_PD_ALWAYS_ON>;
>> +                     resets = <&cpg 928>;
>> +                     dmas = <&dmac1 0x97>, <&dmac1 0x96>,
>> +                            <&dmac2 0x97>, <&dmac2 0x96>;
>> +                     dma-names = "tx", "rx", "tx", "rx";
>> +                     i2c-scl-internal-delay-ns = <6>;
>> +                     #address-cells = <1>;
>> +                     #size-cells = <0>;
>> +                     status = "disabled";
>> +             };
>
> DMA for i2c3 and i2c4  seems unclear in v0.80 and v1.00 of the User's Manual.
> Although what is described here does match v0.55E of the User's Manual.
> Have you been able to confirm what is correct here?

Given they bothered adding rows to the table, I assume they just forgot to
add checkmarks in the V3H column.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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
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