RE: [PATCH] arm64: dts: exynosautov9: convert serial_0 for USI

["Chanho Park" <chanho61.park@samsung.com>]

Hi,

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> Sent: Wednesday, December 8, 2021 6:15 PM
> To: Chanho Park <chanho61.park@samsung.com>; Rob Herring
> <robh+dt@kernel.org>
> Cc: devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> linux-samsung-soc@vger.kernel.org; Sam Protsenko
> <semen.protsenko@linaro.org>
> Subject: Re: [PATCH] arm64: dts: exynosautov9: convert serial_0 for USI
> 
> On 08/12/2021 01:39, Chanho Park wrote:
> > According to USI v2 driver change[1], serial_0 node should be
> > converted to use the USI node hierarchy. syscon_peric0 will be used as
> > a syscon node to control the USI00_USI_SW_CONF register.
> > This also changes the serial node name from uart@ to serial@.
> >
> > [1]:
> > https://lore.kernel.org/linux-samsung-soc/20211204195757.8600-2-semen.
> > protsenko@linaro.org/
> >
> > Cc: Sam Protsenko <semen.protsenko@linaro.org>
> > Signed-off-by: Chanho Park <chanho61.park@samsung.com>
> > ---
> >  .../boot/dts/exynos/exynosautov9-sadk.dts     |  4 +++
> >  arch/arm64/boot/dts/exynos/exynosautov9.dtsi  | 36
> > ++++++++++++++-----
> >  2 files changed, 32 insertions(+), 8 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> > b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> > index ef46d7aa6e28..6cc903443809 100644
> > --- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> > +++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> > @@ -41,6 +41,10 @@ ufs_0_fixed_vcc_reg: regulator-0 {
> >  	};
> >  };
> >
> > +&usi_0 {
> > +	status = "okay";
> > +};
> > +
> 
> Put this one alphabetically in DTS.

Regarding usi / serial/hsi2c/spi nodes, I thought it looks better to keep the order of DTSi.
Anyway, I'll follow alphabetical order in DTS. I'll apply this next patch.

Best Regards,
Chanho Park