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Fri, 11 Jun 2021 04:48:51 -0700 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 11 Jun 2021 04:48:38 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 11 Jun 2021 19:48:37 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 11 Jun 2021 19:48:36 +0800 From: Jianjun Wang To: Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Ryder Lee CC: Matthias Brugger , , , , , , Jianjun Wang , , , , , , , Krzysztof Wilczyski , Subject: [PATCH v2 1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request Date: Fri, 11 Jun 2021 19:48:23 +0800 Message-ID: <20210611114824.14537-2-jianjun.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210611114824.14537-1-jianjun.wang@mediatek.com> References: <20210611114824.14537-1-jianjun.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210611_044857_564552_E252E34D X-CRM114-Status: GOOD ( 10.83 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add property to disable dvfsrc voltage request, if this property is presented, we assume that the requested voltage is always higher enough to keep the PCIe controller active. Signed-off-by: Jianjun Wang Reviewed-by: Qizhong Cheng Tested-by: Qizhong Cheng --- .../devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml index e7b1f9892da4..3e26c032cea9 100644 --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml @@ -96,6 +96,12 @@ properties: phys: maxItems: 1 + disable-dvfsrc-vlt-req: + description: Disable dvfsrc voltage request, if this property is presented, + we assume that the requested voltage is always higher enough to keep + the PCIe controller active. + type: boolean + '#interrupt-cells': const: 1 @@ -166,6 +172,8 @@ examples: <&infracfg_rst 3>; reset-names = "phy", "mac"; + disable-dvfsrc-vlt-req; + #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0x7>; interrupt-map = <0 0 0 1 &pcie_intc 0>,