From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF81122334 for ; Wed, 11 Oct 2023 18:32:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="oJ7CHRF7" Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4025AA9 for ; Wed, 11 Oct 2023 11:32:49 -0700 (PDT) Received: by mail-ej1-x634.google.com with SMTP id a640c23a62f3a-9b275afb6abso277059066b.1 for ; Wed, 11 Oct 2023 11:32:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1697049166; x=1697653966; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=pbI8FrvRKFZu6B2DbOdgldrjIGyQyHavEvB5fYDKWGc=; b=oJ7CHRF7aR8YnBsR4YzaQZH/BNZTGkjHnKo6cGDo1z+9EFnXfq4tqFUbxnhk7IE9y+ uBBlE6pKM6TnlZuNslYJtKPhUvocRdSbHKidQ/tmkAm6AOoEblcqWOhsLox4c0FMkxVf V6MlxZTYImLBuczg8tQgoBbRHR3L4XzP9yRb6rXQhKedhCFQ20qB3HJ+Sp1EoBRXH+J0 1GJw7MeiRZFAxuCVSr1OG6tyMnaCxUE0Ib1THUkbcfEwvm+wfDI1XXFrV3HJoj69hOVw ds6PGa55YN+01ZQx1Vckrd+wiJgJweTWOynCCFbIP6DKAOetqd76sB9gHe8XKp44mIxC 0v5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697049166; x=1697653966; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pbI8FrvRKFZu6B2DbOdgldrjIGyQyHavEvB5fYDKWGc=; b=j98ykkSCbYzMtUMNIyrP16KenwjHtw1kTJoHyzQ4cQx0D0uKruJKa3ukTjWdrP+kti r8TKh/LSbkAFcHYcuaist7Z4Rg+DAfkzUp1LNZMyWBlJNcKt+B2It3E7E/Il7UVywrdE WQlKZP9y/JQgwYxQKLikIdW47mZWwOBJPHRNAhsiJtrJftc4sbytjHVoMQVO89Cuw5RP 47mii4MXmexOFCi0t1NzCE47LH+t2T9ztelUkZFDSD93Uh/5MoE4z/dEL9CQLqOXnD9Z L4s+6GuQW1mTSDRnmlWC6UQ5xfvxxavag3NZW63X7KAunF+zxuPpWAtkBGQCHBXlo674 DaZw== X-Gm-Message-State: AOJu0YySV4RiYjJOzPeWerpSUR2BqZHrTnexrLPMkIhL1HUYBFxmyylg 9XWjLGrVXd6qgNj3be4TsAENEA== X-Google-Smtp-Source: AGHT+IEvKx/9opJD11I3yrmKNEw13sUWCZut4WzxFnQK6B1AxF0mQwdlkAO07i8hZ8p+0l/6MH4cSQ== X-Received: by 2002:a17:906:cc14:b0:9bb:a243:e6fb with SMTP id ml20-20020a170906cc1400b009bba243e6fbmr3947027ejb.3.1697049166581; Wed, 11 Oct 2023 11:32:46 -0700 (PDT) Received: from [192.168.1.20] ([178.197.219.100]) by smtp.gmail.com with ESMTPSA id p16-20020a17090628d000b009b654ba498csm10114886ejd.90.2023.10.11.11.32.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Oct 2023 11:32:46 -0700 (PDT) Message-ID: <2a500b1a-93ad-4c65-bc61-48a019afd348@linaro.org> Date: Wed, 11 Oct 2023 20:32:42 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 1/5] dt-bindings: ufs: common: add OPP table Content-Language: en-US To: Manivannan Sadhasivam , vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, andersson@kernel.org, konrad.dybcio@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, jejb@linux.ibm.com, martin.petersen@oracle.com Cc: alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, quic_asutoshd@quicinc.com, quic_cang@quicinc.com, quic_nitirawa@quicinc.com, quic_narepall@quicinc.com, quic_bhaskarv@quicinc.com, quic_richardp@quicinc.com, quic_nguyenb@quicinc.com, quic_ziqichen@quicinc.com, bmasney@redhat.com, linux-kernel@vger.kernel.org, Rob Herring References: <20231011122543.11922-1-manivannan.sadhasivam@linaro.org> <20231011122543.11922-2-manivannan.sadhasivam@linaro.org> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzTRLcnp5c3p0b2Yg S296bG93c2tpIDxrcnp5c3p0b2Yua296bG93c2tpQGxpbmFyby5vcmc+wsGUBBMBCgA+FiEE m9B+DgxR+NWWd7dUG5NDfTtBYpsFAmI+BxMCGwMFCRRfreEFCwkIBwIGFQoJCAsCBBYCAwEC HgECF4AACgkQG5NDfTtBYptgbhAAjAGunRoOTduBeC7V6GGOQMYIT5n3OuDSzG1oZyM4kyvO XeodvvYv49/ng473E8ZFhXfrre+c1olbr1A8pnz9vKVQs9JGVa6wwr/6ddH7/yvcaCQnHRPK mnXyP2BViBlyDWQ71UC3N12YCoHE2cVmfrn4JeyK/gHCvcW3hUW4i5rMd5M5WZAeiJj3rvYh v8WMKDJOtZFXxwaYGbvFJNDdvdTHc2x2fGaWwmXMJn2xs1ZyFAeHQvrp49mS6PBQZzcx0XL5 cU9ZjhzOZDn6Apv45/C/lUJvPc3lo/pr5cmlOvPq1AsP6/xRXsEFX/SdvdxJ8w9KtGaxdJuf rpzLQ8Ht+H0lY2On1duYhmro8WglOypHy+TusYrDEry2qDNlc/bApQKtd9uqyDZ+rx8bGxyY qBP6bvsQx5YACI4p8R0J43tSqWwJTP/R5oPRQW2O1Ye1DEcdeyzZfifrQz58aoZrVQq+innR aDwu8qDB5UgmMQ7cjDSeAQABdghq7pqrA4P8lkA7qTG+aw8Z21OoAyZdUNm8NWJoQy8m4nUP gmeeQPRc0vjp5JkYPgTqwf08cluqO6vQuYL2YmwVBIbO7cE7LNGkPDA3RYMu+zPY9UUi/ln5 dcKuEStFZ5eqVyqVoZ9eu3RTCGIXAHe1NcfcMT9HT0DPp3+ieTxFx6RjY3kYTGLOwU0EVUNc NAEQAM2StBhJERQvgPcbCzjokShn0cRA4q2SvCOvOXD+0KapXMRFE+/PZeDyfv4dEKuCqeh0 hihSHlaxTzg3TcqUu54w2xYskG8Fq5tg3gm4kh1Gvh1LijIXX99ABA8eHxOGmLPRIBkXHqJY oHtCvPc6sYKNM9xbp6I4yF56xVLmHGJ61KaWKf5KKWYgA9kfHufbja7qR0c6H79LIsiYqf92 H1HNq1WlQpu/fh4/XAAaV1axHFt/dY/2kU05tLMj8GjeQDz1fHas7augL4argt4e+jum3Nwt yupodQBxncKAUbzwKcDrPqUFmfRbJ7ARw8491xQHZDsP82JRj4cOJX32sBg8nO2N5OsFJOcd 5IE9v6qfllkZDAh1Rb1h6DFYq9dcdPAHl4zOj9EHq99/CpyccOh7SrtWDNFFknCmLpowhct9 5ZnlavBrDbOV0W47gO33WkXMFI4il4y1+Bv89979rVYn8aBohEgET41SpyQz7fMkcaZU+ok/ +HYjC/qfDxT7tjKXqBQEscVODaFicsUkjheOD4BfWEcVUqa+XdUEciwG/SgNyxBZepj41oVq FPSVE+Ni2tNrW/e16b8mgXNngHSnbsr6pAIXZH3qFW+4TKPMGZ2rZ6zITrMip+12jgw4mGjy 5y06JZvA02rZT2k9aa7i9dUUFggaanI09jNGbRA/ABEBAAHCwXwEGAEKACYCGwwWIQSb0H4O DFH41ZZ3t1Qbk0N9O0FimwUCYDzvagUJFF+UtgAKCRAbk0N9O0Fim9JzD/0auoGtUu4mgnna oEEpQEOjgT7l9TVuO3Qa/SeH+E0m55y5Fjpp6ZToc481za3xAcxK/BtIX5Wn1mQ6+szfrJQ6 59y2io437BeuWIRjQniSxHz1kgtFECiV30yHRgOoQlzUea7FgsnuWdstgfWi6LxstswEzxLZ Sj1EqpXYZE4uLjh6dW292sO+j4LEqPYr53hyV4I2LPmptPE9Rb9yCTAbSUlzgjiyyjuXhcwM qf3lzsm02y7Ooq+ERVKiJzlvLd9tSe4jRx6Z6LMXhB21fa5DGs/tHAcUF35hSJrvMJzPT/+u /oVmYDFZkbLlqs2XpWaVCo2jv8+iHxZZ9FL7F6AHFzqEFdqGnJQqmEApiRqH6b4jRBOgJ+cY qc+rJggwMQcJL9F+oDm3wX47nr6jIsEB5ZftdybIzpMZ5V9v45lUwmdnMrSzZVgC4jRGXzsU EViBQt2CopXtHtYfPAO5nAkIvKSNp3jmGxZw4aTc5xoAZBLo0OV+Ezo71pg3AYvq0a3/oGRG KQ06ztUMRrj8eVtpImjsWCd0bDWRaaR4vqhCHvAG9iWXZu4qh3ipie2Y0oSJygcZT7H3UZxq fyYKiqEmRuqsvv6dcbblD8ZLkz1EVZL6djImH5zc5x8qpVxlA0A0i23v5QvN00m6G9NFF0Le D2GYIS41Kv4Isx2dEFh+/Q== In-Reply-To: <20231011122543.11922-2-manivannan.sadhasivam@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On 11/10/2023 14:25, Manivannan Sadhasivam wrote: > From: Krzysztof Kozlowski > > Except scaling UFS and bus clocks, it's necessary to scale also the > voltages of regulators or power domain performance state levels. Adding > Operating Performance Points table allows to adjust power domain > performance state, depending on the UFS clock speed. > > OPPv2 deprecates previous property limited to clock scaling: > freq-table-hz. > > Signed-off-by: Krzysztof Kozlowski > Reviewed-by: Rob Herring > Signed-off-by: Manivannan Sadhasivam > --- > .../devicetree/bindings/ufs/ufs-common.yaml | 35 +++++++++++++++++-- > 1 file changed, 32 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml > index bbaee4f5f7b2..1cb022cdc349 100644 > --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml > +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml > @@ -6,6 +6,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# > > title: Common properties for Universal Flash Storage (UFS) Host Controllers > > + Drop blank line. > maintainers: > - Alim Akhtar > - Avri Altman > @@ -20,11 +21,24 @@ properties: > items: > - description: Minimum frequency for given clock in Hz > - description: Maximum frequency for given clock in Hz > + deprecated: true > description: | > + Preferred is operating-points-v2. > + > Array of operating frequencies in Hz stored in the same order > - as the clocks property. If this property is not defined or a value in the > - array is "0" then it is assumed that the frequency is set by the parent > - clock or a fixed rate clock source. > + as the clocks property. If either this property or operating-points-v2 is > + not defined or a value in the array is "0" then it is assumed that the > + frequency is set by the parent clock or a fixed rate clock source. > + > + operating-points-v2: > + description: > + Preferred over freq-table-hz. > + If present, each OPP must contain array of frequencies stored in the same > + order for each clock. If clock frequency in the array is "0" then it is > + assumed that the frequency is set by the parent clock or a fixed rate > + clock source. > + > + opp-table: true opp-table: type: object Best regards, Krzysztof