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[91.159.24.186]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-3acf5facfe9sm2950231fa.21.2026.11.06.03.20.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Nov 2026 03:20:17 -0800 (PST) Message-ID: <540014fb-d271-4e20-9a3c-3f2fb66723ce@linaro.org> Date: Fri, 6 Nov 2026 13:20:16 +0200 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/5] dt-bindings: media: qcom,sm8150-camss: Add SM8150 CAMSS To: mail@andrewgigena.dev, Loic Poulain , Robert Foss , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bryan O'Donoghue , Mauro Carvalho Chehab , Bryan O'Donoghue , Bjorn Andersson , Konrad Dybcio , Abel Vesa Cc: linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org References: <20261106-sm8150-v7.4-rc1-camss-v2-0-39ee37787b00@andrewgigena.dev> <20261106-sm8150-v7.4-rc1-camss-v2-2-39ee37787b00@andrewgigena.dev> From: Vladimir Zapolskiy In-Reply-To: <20261106-sm8150-v7.4-rc1-camss-v2-2-39ee37787b00@andrewgigena.dev> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Andrew. On 11/6/26 05:24, Andrew Gigena via B4 Relay wrote: > From: Andrew Gigena > > Document the Qualcomm SM8150 Camera Subsystem. The IP integrates four > CSIPHY, four CSID (two full and two lite), two VFE and two VFE-Lite > instances, with 27 clocks, 12 interrupts, eight IOMMU streams, four > interconnect paths and three power domains. > > SM8150 has a different register layout, clock tree and power domain > topology from SM8250, so describe it in a dedicated schema instead of > using qcom,sm8250-camss as a fallback. > > Signed-off-by: Andrew Gigena > --- > .../bindings/media/qcom,sm8150-camss.yaml | 412 +++++++++++++++++++++ > 1 file changed, 412 insertions(+) > > diff --git a/Documentation/devicetree/bindings/media/qcom,sm8150-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sm8150-camss.yaml > new file mode 100644 > index 000000000000..26f8939001df > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/qcom,sm8150-camss.yaml > @@ -0,0 +1,412 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/media/qcom,sm8150-camss.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm SM8150 Camera Subsystem (CAMSS) > + > +maintainers: > + - Andrew Gigena > + > +description: | > + The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms. > + > +properties: > + compatible: > + const: qcom,sm8150-camss > + > + clocks: > + minItems: 27 > + maxItems: 27 > + > + clock-names: > + items: > + - const: camnoc_axi > + - const: cpas_ahb > + - const: csiphy0 > + - const: csiphy0_timer > + - const: csiphy1 > + - const: csiphy1_timer > + - const: csiphy2 > + - const: csiphy2_timer > + - const: csiphy3 > + - const: csiphy3_timer I ask you to switch to the new CSI2 PHY driver, please exclude these I/O spaces from the CAMSS container device. It makes no sense to deal with all-phy-combined supplies and the multitude of other solved problems. The cost of changing the device to exploit the new CSIPHY driver is close to zero. -- Best wishes, Vladimir