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Fri, 1 Aug 2025 15:01:38 +0000 (GMT) Message-ID: <95c99ebb-10e5-4207-bd1d-24e36394fd81@linux.ibm.com> Date: Fri, 1 Aug 2025 10:01:35 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/6] dt-bindings: fsi: Convert fsi-master-gpio to DT schema To: "Rob Herring (Arm)" , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , Benjamin Herrenschmidt , Ninad Palsule Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-fsi@lists.ozlabs.org References: <20250731-dt-fsi-cleanups-v1-0-e7b695a29fc3@kernel.org> <20250731-dt-fsi-cleanups-v1-5-e7b695a29fc3@kernel.org> Content-Language: en-US From: Eddie James In-Reply-To: <20250731-dt-fsi-cleanups-v1-5-e7b695a29fc3@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: aPLBHWDjHFEYa4L9irlg7eXC3WVEpdQ2 X-Proofpoint-GUID: aPLBHWDjHFEYa4L9irlg7eXC3WVEpdQ2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODAxMDExMyBTYWx0ZWRfX50HWHe6O/NhW NG/+0m/sno1RZznzW9dW1u3hoC4eQ9yO4InDY1lSQxd469mHKhvHHmxd851o9UPsiBt1LPTw6nP 65Z3TkoIY3qCmIQuwNshk5EdFDy5TDUjsLt6QFGLj1s+aRcFSyl0hYtMLPiFmIPtVyCqvin3dAT /bVBVu50Cr8MVo9JWKSAxx0Fu4lfjuLiUDsMlEG3M4y6i62bYJ0pD+pKYYKf9XQBfHRSy0S8BP4 4nFcVS46gKR0XgDvzYyftPbYhXCU9oQwzCLaruV44220YbseDpLTrldLoV9qoLZddM348IU3Bhc rVLiWKhWMVDQiNutgzAVJmOuKvJY+eER/ORREfCkBlXlFBCGYlhw+eB0k9eQTdb7oEjEQ7TeQQw /uoOWjRQr0l2T2L30KyundAwTn3+ChI/u1vcDrMfm60tVO7LTFnrfz8Y4xlfNcksX+Z23pwq X-Authority-Analysis: v=2.4 cv=BJOzrEQG c=1 sm=1 tr=0 ts=688cd6d5 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=gEfo2CItAAAA:8 a=VnNF1IyMAAAA:8 a=VwQbUJbxAAAA:8 a=nKviLkHTvBW1IRR_sG8A:9 a=QEXdDO2ut3YA:10 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-01_04,2025-08-01_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 priorityscore=1501 malwarescore=0 mlxscore=0 bulkscore=0 adultscore=0 clxscore=1011 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2508010113 On 7/31/25 17:12, Rob Herring (Arm) wrote: > Convert the GPIO-based FSI master binding to DT schema format. > > Drop the "fsi-master" compatible as it has not be used consistently and > doesn't represent anything. Acked-by: Eddie James > > Signed-off-by: Rob Herring (Arm) > --- > .../devicetree/bindings/fsi/fsi-master-gpio.txt | 28 ---------- > .../devicetree/bindings/fsi/fsi-master-gpio.yaml | 63 ++++++++++++++++++++++ > 2 files changed, 63 insertions(+), 28 deletions(-) > > diff --git a/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt > deleted file mode 100644 > index 1e442450747f..000000000000 > --- a/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt > +++ /dev/null > @@ -1,28 +0,0 @@ > -Device-tree bindings for gpio-based FSI master driver > ------------------------------------------------------ > - > -Required properties: > - - compatible = "fsi-master-gpio"; > - - clock-gpios = ; : GPIO for FSI clock > - - data-gpios = ; : GPIO for FSI data signal > - > -Optional properties: > - - enable-gpios = ; : GPIO for enable signal > - - trans-gpios = ; : GPIO for voltage translator enable > - - mux-gpios = ; : GPIO for pin multiplexing with other > - functions (eg, external FSI masters) > - - no-gpio-delays; : Don't add extra delays between GPIO > - accesses. This is useful when the HW > - GPIO block is running at a low enough > - frequency. > - > -Examples: > - > - fsi-master { > - compatible = "fsi-master-gpio", "fsi-master"; > - clock-gpios = <&gpio 0>; > - data-gpios = <&gpio 1>; > - enable-gpios = <&gpio 2>; > - trans-gpios = <&gpio 3>; > - mux-gpios = <&gpio 4>; > - } > diff --git a/Documentation/devicetree/bindings/fsi/fsi-master-gpio.yaml b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.yaml > new file mode 100644 > index 000000000000..21bfbad595b3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.yaml > @@ -0,0 +1,63 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/fsi/fsi-master-gpio.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: fsi-master-gpio > + > +maintainers: > + - Eddie James > + > +allOf: > + - $ref: /schemas/fsi/fsi-controller.yaml > + > +properties: > + compatible: > + items: > + - const: fsi-master-gpio > + > + clock-gpios: > + description: GPIO for FSI clock > + maxItems: 1 > + > + data-gpios: > + description: GPIO for FSI data signal > + maxItems: 1 > + > + enable-gpios: > + description: GPIO for enable signal > + maxItems: 1 > + > + trans-gpios: > + description: GPIO for voltage translator enable > + maxItems: 1 > + > + mux-gpios: > + description: GPIO for pin multiplexing with other functions (eg, external > + FSI masters) > + maxItems: 1 > + > + no-gpio-delays: > + description: > + Don't add extra delays between GPIO accesses. This is useful when the HW > + GPIO block is running at a low enough frequency. > + type: boolean > + > +required: > + - compatible > + - clock-gpios > + - data-gpios > + > +unevaluatedProperties: false > + > +examples: > + - | > + fsi-master { > + compatible = "fsi-master-gpio"; > + clock-gpios = <&gpio 0>; > + data-gpios = <&gpio 1>; > + enable-gpios = <&gpio 2>; > + trans-gpios = <&gpio 3>; > + mux-gpios = <&gpio 4>; > + }; >