From: Richard Zhu <hongxing.zhu@nxp.com> To: l.stach@pengutronix.de, andrew.smirnov@gmail.com, shawnguo@kernel.org, kw@linux.com, bhelgaas@google.com, stefan@agner.ch, lorenzo.pieralisi@arm.com Cc: devicetree@vger.kernel.org, linux-pci@vger.kernel.org, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Richard Zhu <hongxing.zhu@nxp.com> Subject: [RESEND, V5 1/2] dt-bindings: imx6q-pcie: Add "vph-supply" for PHY supply voltage Date: Fri, 4 Jun 2021 09:47:48 +0800 [thread overview] Message-ID: <1622771269-13844-2-git-send-email-hongxing.zhu@nxp.com> (raw) In-Reply-To: <1622771269-13844-1-git-send-email-hongxing.zhu@nxp.com> The i.MX8MQ PCIe PHY can use either a 1.8V or a 3.3V power supply. Add a "vph-supply" property to indicate which regulator supplies power for the PHY. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> --- Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt index de4b2baf91e8..d8971ab99274 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt @@ -38,6 +38,9 @@ Optional properties: The regulator will be enabled when initializing the PCIe host and disabled either as part of the init process or when shutting down the host. +- vph-supply: Should specify the regulator in charge of VPH one of the three + PCIe PHY powers. This regulator can be supplied by both 1.8v and 3.3v voltage + supplies. Additional required properties for imx6sx-pcie: - clock names: Must include the following additional entries: -- 2.17.1
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From: Richard Zhu <hongxing.zhu@nxp.com> To: l.stach@pengutronix.de, andrew.smirnov@gmail.com, shawnguo@kernel.org, kw@linux.com, bhelgaas@google.com, stefan@agner.ch, lorenzo.pieralisi@arm.com Cc: devicetree@vger.kernel.org, linux-pci@vger.kernel.org, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Richard Zhu <hongxing.zhu@nxp.com> Subject: [RESEND, V5 1/2] dt-bindings: imx6q-pcie: Add "vph-supply" for PHY supply voltage Date: Fri, 4 Jun 2021 09:47:48 +0800 [thread overview] Message-ID: <1622771269-13844-2-git-send-email-hongxing.zhu@nxp.com> (raw) In-Reply-To: <1622771269-13844-1-git-send-email-hongxing.zhu@nxp.com> The i.MX8MQ PCIe PHY can use either a 1.8V or a 3.3V power supply. Add a "vph-supply" property to indicate which regulator supplies power for the PHY. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> --- Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt index de4b2baf91e8..d8971ab99274 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt @@ -38,6 +38,9 @@ Optional properties: The regulator will be enabled when initializing the PCIe host and disabled either as part of the init process or when shutting down the host. +- vph-supply: Should specify the regulator in charge of VPH one of the three + PCIe PHY powers. This regulator can be supplied by both 1.8v and 3.3v voltage + supplies. Additional required properties for imx6sx-pcie: - clock names: Must include the following additional entries: -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-04 2:05 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-04 1:47 [RESEND, V5 0/2] add one regulator used to power up pcie phy Richard Zhu 2021-06-04 1:47 ` Richard Zhu 2021-06-04 1:47 ` Richard Zhu [this message] 2021-06-04 1:47 ` [RESEND, V5 1/2] dt-bindings: imx6q-pcie: Add "vph-supply" for PHY supply voltage Richard Zhu 2021-06-10 16:16 ` Rob Herring 2021-06-10 16:16 ` Rob Herring 2021-06-04 1:47 ` [RESEND, V5 2/2] PCI: imx6: Enable PHY internal regulator when supplied >3V Richard Zhu 2021-06-04 1:47 ` Richard Zhu 2021-06-22 10:26 ` [RESEND, V5 0/2] add one regulator used to power up pcie phy Lorenzo Pieralisi 2021-06-22 10:26 ` Lorenzo Pieralisi
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