Thread (48 messages) 48 messages, 6 authors, 2021-10-28

RE: [PATCH v3 3/9] arm64: dts: imx8mm: add the pcie phy support

From: Richard Zhu <hongxing.zhu@nxp.com>
Date: 2021-10-22 01:57:44
Also in: linux-devicetree, linux-phy, lkml

-----Original Message-----
From: Lucas Stach <l.stach@pengutronix.de>
Sent: Saturday, October 16, 2021 2:30 AM
To: Richard Zhu <hongxing.zhu@nxp.com>; tharvey@gateworks.com;
kishon@ti.com; vkoul@kernel.org; robh@kernel.org;
galak@kernel.crashing.org; shawnguo@kernel.org
Cc: linux-phy@lists.infradead.org; devicetree@vger.kernel.org;
linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org;
kernel@pengutronix.de; dl-linux-imx [off-list ref]
Subject: Re: [PATCH v3 3/9] arm64: dts: imx8mm: add the pcie phy support

Am Dienstag, dem 12.10.2021 um 16:41 +0800 schrieb Richard Zhu:
quoted
Add the PCIe PHY support on iMX8MM platforms.

Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
quoted
index c2f3f118f82e..ac5d11466608 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -1135,6 +1135,19 @@ usbmisc2: usbmisc@32e50200 {
 				reg = <0x32e50200 0x200>;
 			};

+			pcie_phy: pcie-phy@32f00000 {
+				compatible = "fsl,imx8mm-pcie-phy";
+				reg = <0x32f00000 0x10000>;
+				clocks = <&clk IMX8MM_CLK_PCIE1_PHY>;
+				clock-names = "phy";
Clock name specified in the binding is "ref".
[Richard Zhu] Would changed later, thanks.

Best Regards
Richard Zhu
quoted
+				assigned-clocks = <&clk IMX8MM_CLK_PCIE1_PHY>;
+				assigned-clock-rates = <100000000>;
+				assigned-clock-parents = <&clk
IMX8MM_SYS_PLL2_100M>;
quoted
+				resets = <&src IMX8MQ_RESET_PCIEPHY>;
+				reset-names = "pciephy";
+				#phy-cells = <0>;
+				status = "disabled";
+			};
 		};

 		dma_apbh: dma-controller@33000000 {
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