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[78.11.189.27]) by smtp.gmail.com with ESMTPSA id f24sm2263663ljj.30.2021.10.06.03.59.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Oct 2021 03:59:21 -0700 (PDT) Subject: Re: [PATCH v4 3/7] dt-bindings: memory: lpddr2: Add revision-id properties To: Dmitry Osipenko , Thierry Reding , Jonathan Hunter , Rob Herring Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org References: <20211005230009.3635-1-digetx@gmail.com> <20211005230009.3635-4-digetx@gmail.com> From: Krzysztof Kozlowski Message-ID: <545e4036-a9fe-a0f1-dd8c-f5948fee6c4e@canonical.com> Date: Wed, 6 Oct 2021 12:59:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20211005230009.3635-4-digetx@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/10/2021 01:00, Dmitry Osipenko wrote: > Add optional revision-id standard LPDDR2 properties which will help to > identify memory chip. > > Signed-off-by: Dmitry Osipenko > --- > .../memory-controllers/ddr/jedec,lpddr2.yaml | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml > index d99ccad54938..01efb43c3425 100644 > --- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml > +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml > @@ -24,6 +24,16 @@ properties: > - enum: > - jedec,lpddr2-nvm > > + revision-id1: > + maximum: 255 > + description: | > + Revision 1 value of SDRAM chip. Obtained from device datasheet. > + Also type/ref for uint32 needed. Best regards, Krzysztof