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([2a02:810d:15c0:828:efe5:7c03:a10a:7a40]) by smtp.gmail.com with ESMTPSA id ig2-20020a1709072e0200b00959b810efcbsm2142263ejc.36.2023.05.06.03.53.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 06 May 2023 03:53:08 -0700 (PDT) Message-ID: Date: Sat, 6 May 2023 12:53:07 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.1 Subject: Re: [PATCH v2 1/6] dt-bindings: spi: sun6i: add DT bindings for Allwinner R329 SPI Content-Language: en-US To: Maksim Kiselev , Andre Przywara Cc: Icenowy Zheng , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Paul Walmsley , Palmer Dabbelt , Albert Ou , Cristian Ciocaltea , Heiko Stuebner , Maxime Ripard , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org References: <20230506073018.1411583-1-bigunclemax@gmail.com> <20230506073018.1411583-2-bigunclemax@gmail.com> From: Krzysztof Kozlowski In-Reply-To: <20230506073018.1411583-2-bigunclemax@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 06/05/2023 09:30, Maksim Kiselev wrote: > From: Icenowy Zheng > > Allwinner R329 SPI has two controllers, and the second one has helper > functions for MIPI-DBI Type C. I wonder what is the difference of DBI compatible. You refer to "helper functions", which sounds like driver... do you mean some parts of SPI controller? > > Add compatible strings for these controllers > > Signed-off-by: Icenowy Zheng > --- > .../devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml > index de36c6a34a0f..2c1b8da35339 100644 > --- a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml > +++ b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml > @@ -21,6 +21,8 @@ properties: > oneOf: > - const: allwinner,sun6i-a31-spi > - const: allwinner,sun8i-h3-spi > + - const: allwinner,sun50i-r329-spi > + - const: allwinner,sun50i-r329-spi-dbi As Conor pointed out, nothing improved here. Best regards, Krzysztof