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Tue, 29 Mar 2022 07:27:45 -0700 (PDT) Message-ID: <32931f81-5615-8156-4c67-bb4260488185@gmail.com> Date: Tue, 29 Mar 2022 16:27:43 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v12 2/3] dt-bindings: mmc: mtk-sd: increase reg maxItems Content-Language: en-US To: Tinghan Shen , Chaotian Jing , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , AngeloGioacchino Del Regno , Wenbin Mei Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com, ryder.lee@kernel.org, wenst@chromium.org, chunfeng.yun@mediatek.com References: <20220329114540.17140-1-tinghan.shen@mediatek.com> <20220329114540.17140-3-tinghan.shen@mediatek.com> From: Matthias Brugger In-Reply-To: <20220329114540.17140-3-tinghan.shen@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220329_072748_439464_0DD3F97A X-CRM114-Status: GOOD ( 16.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 29/03/2022 13:45, Tinghan Shen wrote: > Add optional host top register base for the reg binding description. > Is this based a on a new version of the IP? Shall we make the second reg mandatory for the new HW? If I remember correctly the reg needs to be restored after power save event. So I suppose mmc won't work if that's not done. So optional wouldn't be the right approach. Can you please clarify if that's the case. Thanks, Matthias > Signed-off-by: Wenbin Mei > Signed-off-by: Tinghan Shen > --- > Documentation/devicetree/bindings/mmc/mtk-sd.yaml | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml > index 7032f7adf3ca..6d41bcec900f 100644 > --- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml > +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml > @@ -40,7 +40,8 @@ properties: > - const: mediatek,mt8183-mmc > > reg: > - maxItems: 1 > + minItems: 1 > + maxItems: 2 > > clocks: > description: _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel