Hi,

-----Original Message-----
From: Krzysztof Kozlowski <redacted>
Sent: Wednesday, December 8, 2021 6:15 PM
To: Chanho Park <redacted>; Rob Herring
[off-list ref]
Cc: devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
linux-samsung-soc@vger.kernel.org; Sam Protsenko
[off-list ref]
Subject: Re: [PATCH] arm64: dts: exynosautov9: convert serial_0 for USI

On 08/12/2021 01:39, Chanho Park wrote:

quoted

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 <redacted>
---
 .../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


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