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dkim=none (message not signed) header.d=none;dmarc=fail action=oreject header.from=opensource.cirrus.com; Received-SPF: SoftFail (protection.outlook.com: domain of transitioning opensource.cirrus.com discourages use of 84.19.233.75 as permitted sender) Received: from edirelay1.ad.cirrus.com (84.19.233.75) by SJ1PEPF000023D9.mail.protection.outlook.com (10.167.244.74) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.181.0 via Frontend Transport; Wed, 24 Jun 2026 20:06:02 +0000 Received: from ediswmail9.ad.cirrus.com (ediswmail9.ad.cirrus.com [198.61.86.93]) by edirelay1.ad.cirrus.com (Postfix) with ESMTPS id DD3C9406541; Wed, 24 Jun 2026 20:06:00 +0000 (UTC) Received: from [141.131.157.6] (macMW3KVPQQ2W.ad.cirrus.com [141.131.157.6]) by ediswmail9.ad.cirrus.com (Postfix) with ESMTPSA id E176582254D; Wed, 24 Jun 2026 20:05:58 +0000 (UTC) Message-ID: <81f4c4cb-8aac-47b7-8f22-f120c6af5140@opensource.cirrus.com> Date: Wed, 24 Jun 2026 15:05:57 -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 v2] ASoC: dt-bindings: Convert cirrus,cs35l36 to DT schema To: Rob Herring , David Heidelberg Cc: David Rhodes , Richard Fitzgerald , Liam Girdwood , Mark Brown , Krzysztof Kozlowski , Conor Dooley , patches@opensource.cirrus.com, Bjorn Helgaas , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org References: <20260624-dt-cirrus-cs35l36-v2-1-74eccdbd8fe4@ixit.cz> <3873b111-36d5-442e-996c-31d05d23c8e8@ixit.cz> <20260624194541.GA672824-robh@kernel.org> Content-Language: en-US From: "Rhodes, David" In-Reply-To: <20260624194541.GA672824-robh@kernel.org> Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: bXAQ51WJ6n98mhmYXX3Ay/+FX4NF7HkTXfCH5dwwbXNTAKOJUkZAWpt8IBt7/rvEC0rIgy7ib3OKZK7lc9s0QrHTmRdYLiVz3Z0pDE19/CN72dd30rioG+xwKQyrnLUzCfAWD57oywFXfC8Ga7QbFWKI1ml8+HqESaLiuhQO5Gf5i7xOlZiCz1cZ9aWWH4PVnTVNm2wQwkUQyXUXlS5ttYVKF+8FCW+FjFtFrtvVlOTP23ZaUre6V/6cl0nzBRm2m4Oy9VgyyLMnnNFKqJ05KbJHljncNdsLRQaXw7NG8Aruhb44Db7V0b7hM3SC95dAnPkJmg06KkKsimM8uiMDLaB0BT5XjIjVrUgwGzMoaJkUl7jOg7aBgRZo74KyprRiP0hUmAmHUe7AwEFullwJfzivdFl3Wh5Ucgm4jR7pXtL3ABs7abjXynIILAYCIpMU X-Exchange-RoutingPolicyChecked: HMjfiipyQ86IqPuTavr3x0e4qXAxh2PzEgSnIwcYvNc8KI5OZsf/4YCq12PDs40HHfpzJpiawRxhWSVgpw1xhlWC3IM3COdMlBhl0n/h0ECeGo0ELuPtS+u8GlI+6rjwdoHodymeinwWfgYt0yXRQbCgr0emlpK78iP21y8HtOe+ePQ1kcAlAKO5+U9brjFjhzkUrJ7KRYGh+jejXlalNqWQggjVXzmEl6wt0gF96ht0LGHgrLdimPPoXRE/x5Crp3xCssqa7MPUgj8uGG4QBqj5HQFkBxRp4fM3X8ht5KtPQlL1vik/lqOj9ntWb9X3nvTNxPOzkhgO3JFmdwKLxQ== X-OriginatorOrg: opensource.cirrus.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Jun 2026 20:06:02.2875 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9c149a08-5572-41ee-765d-08ded22c0452 X-MS-Exchange-CrossTenant-Id: bec09025-e5bc-40d1-a355-8e955c307de8 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=bec09025-e5bc-40d1-a355-8e955c307de8;Ip=[84.19.233.75];Helo=[edirelay1.ad.cirrus.com] X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TreatMessagesAsInternal-SJ1PEPF000023D9.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DSWPR19MB997312 X-Authority-Analysis: v=2.4 cv=UJ3t2ify c=1 sm=1 tr=0 ts=6a3c38b1 cx=c_pps a=8tnDOA8lvRtpcZOACi+KGg==:117 a=h1hSm8JtM9GN1ddwPAif2w==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s63m1ICgrNkA:10 a=RWc_ulEos4gA:10 a=VkNPw1HP01LnGYTKEx00:22 a=iX4cTi3TZMoOKdANLEfx:22 a=Dj2-6B8FqX4mGL0U3gbX:22 a=VwQbUJbxAAAA:8 a=gEfo2CItAAAA:8 a=w1d2syhTAAAA:8 a=1XWaLZrsAAAA:8 a=cK7jlWP-69UI-gi1xc4A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI0MDE2OCBTYWx0ZWRfX322ahRq295ce JbcRaLfGdc/TRHB2sAQJ6rBv/pr2nhjpwwIg8uK+tvvHka9QnRreUCSq5tZfGexMVuQVdmMQaqF 5agZIshhFAIr8IQcbFpGlEoNDIlps9A= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI0MDE2OCBTYWx0ZWRfX1i4Yfm3crWuI E3IQYTO+2Uz9Jct+kahMslxuJP9L+SXNGL4Xu9uy0I56XIrNwyu2y3R1sr3ISsax/o/Fg4cYLZO 8/Dp6OcFGzyuxBty/r1sONexKb2ezRupDq8Ws/sNtl3zTz3MTvXMdrNy2VOFLJBAwOknwTRpWxi eqPTla8/0iQdcunXtcwFpINc/qGqkk/KvlnPn/xNtEC3etI8/ZZ83EdO7sQB3bf+fRUIe0gUyqi 7ldYyi/yx+kMjSF3iAD/2bWrBrLS6NxvFmlBYJlkikAiWb3sbfS1tboK0F5+UzzAUJTCo2cdrAH e0DVX9HRaO4wUmpIwulo1b9Oajw+UGbvhxKLw8G7eOX0dilQNF/ov7vZGjt7ses3hZSIF6rJDAL GOiAcLT0jXdPY9TbGpRxus3nQdgzcQ== X-Proofpoint-GUID: KIm5mMqbyk0bLMkAoeJEzga-XGRtTaMe X-Proofpoint-ORIG-GUID: KIm5mMqbyk0bLMkAoeJEzga-XGRtTaMe X-Proofpoint-Spam-Reason: safe On 6/24/26 2:45 PM, Rob Herring wrote: > On Wed, Jun 24, 2026 at 08:39:28PM +0200, David Heidelberg wrote: >> On 24/06/2026 20:17, Rob Herring wrote: >>> On Wed, Jun 24, 2026 at 11:02 AM David Heidelberg via B4 Relay >>> wrote: >>>> >>>> From: David Heidelberg >>>> >>>> Convert CS35L36 Speaker Amplifier to yaml. >>>> >>>> Changes: >>>> - maintainers email to the generic Cirrus email >>>> - Both the codec and downstream worked just fine without >>>> VP-supply provided. Align with datasheet for similar models. >>>> - add dai-common.yaml to cover for '#sound-dai-cells', >>>> 'sound-name-prefix' >>>> >>>> Reviewed-by: David Rhodes >>> >>> If you are going to take stuff I haven't fixed: >>> >>> Assisted-by: OpenAI:gpt-4 >>> >>> (I don't remember the exact flavor I used) >>> >>>> Co-developed-by: Rob Herring (Arm) >>>> Signed-off-by: Rob Herring (Arm) >>>> Signed-off-by: David Heidelberg >>>> --- >>>> Relevant for Pixel 3 / 3XL / 4. >>>> --- >>>> Changes in v2: >>>> - Rename the commit. (Mark) >>>> - Link to v1: https://lore.kernel.org/r/20260618-dt-cirrus-cs35l36-v1-1-1a43515666ad@ixit.cz >>>> --- >>>> .../devicetree/bindings/sound/cirrus,cs35l36.yaml | 224 +++++++++++++++++++++ >>>> .../devicetree/bindings/sound/cs35l36.txt | 168 ---------------- >>>> 2 files changed, 224 insertions(+), 168 deletions(-) >>>> >>>> diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l36.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l36.yaml >>>> new file mode 100644 >>>> index 0000000000000..af0acaaefb68e >>>> --- /dev/null >>>> +++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l36.yaml >>>> @@ -0,0 +1,224 @@ >>>> +# SPDX-License-Identifier: GPL-2.0-only >>>> +%YAML 1.2 >>>> +--- >>>> +$id: http://devicetree.org/schemas/cirrus,cs35l36.yaml# >>>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>>> + >>>> +title: Cirrus Logic CS35L36 Speaker Amplifier >>>> + >>>> +maintainers: >>>> + - patches@opensource.cirrus.com >>>> + - Bjorn Helgaas >>> >>> Bjorn is not correct. Generally we want a person, not a company list. >> >> I'm adding back James, can I keep the patches at 2nd place? > > Yes. Please put me down and the patches list as well. James will not respond at that address any longer. > >>>> + cirrus,vpbr-thld: >>>> + description: Initial VPBR threshold voltage >>>> + $ref: /schemas/types.yaml#/definitions/uint32 minimum: 2 maximum: 31 >>>> + >>>> + cirrus,vpbr-atk-rate: >>>> + description: Attenuation attack step rate >>>> + $ref: /schemas/types.yaml#/definitions/uint32 >>>> + minimum: 0 maximum: 7 >>>> + cirrus,vpbr-atk-vol: >>>> + description: VP brownout prevention step size >>>> + $ref: /schemas/types.yaml#/definitions/uint32 >>>> + minimum: 0 maximum: 7 >>>> + cirrus,vpbr-max-attn: >>>> + description: Maximum attenuation during VP brownout prevention >>>> + $ref: /schemas/types.yaml#/definitions/uint32 >>>> + minimum: 0 maximum: 15 this is just an integer dB value >>>> + cirrus,vpbr-wait: >>>> + description: Delay between brownout clearance and attenuation release >>>> + $ref: /schemas/types.yaml#/definitions/uint32 >>>> +enum: - 0 # 10ms - 1 # 100ms (Default) - 2 # 250ms - 3 # 500ms >>>> + cirrus,vpbr-rel-rate: >>>> + description: Attenuation release step rate >>>> + $ref: /schemas/types.yaml#/definitions/uint32 >>>> + minimum: 0 maximum: 7 >>>> + cirrus,vpbr-mute-en: >>>> + description: Mute audio if maximum attenuation reached >>>> + $ref: /schemas/types.yaml#/definitions/uint32 >>> minimum: 0 maximum: 1 >>> Constraints on any of these? >> >> Code just applies whatever is thrown at it, maybe David knows more? >> >> #nodatasheet (but would be lovely to have one) > > Unless the driver just takes these values and shoves them straight into > a 32-bit register, the driver should give some clue about the size or > possible values. > > Rob > Got some constraints for you. Thanks, David