[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20230806190622.505887-1-aford173@gmail.com>
Date: Sun, 6 Aug 2023 14:06:21 -0500
From: Adam Ford <aford173@...il.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: aford@...conembedded.com, cstevens@...conembedded.com,
Adam Ford <aford173@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-renesas-soc@...r.kernel.org
Subject: [PATCH] arm64: dts: imx8mp-beacon: Configure 100MHz PCIe Ref Clk
There is a I2C controlled 100MHz Reference clock used by the PCIe
controller. Configure this clock's DIF1 output to be used by
the PCIe.
Signed-off-by: Adam Ford <aford173@...il.com>
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
index 06e91297fb16..332269dedeee 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
@@ -23,6 +23,12 @@ chosen {
stdout-path = &uart2;
};
+ clk_xtal25: clk-xtal25 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+
connector {
compatible = "usb-c-connector";
label = "USB-C";
@@ -246,6 +252,13 @@ pca6416_3: gpio@20 {
interrupt-controller;
#interrupt-cells = <2>;
};
+
+ pcieclk: clk@68 {
+ compatible = "renesas,9fgv0241";
+ reg = <0x68>;
+ clocks = <&clk_xtal25>;
+ #clock-cells = <1>;
+ };
};
&i2c3 {
@@ -372,8 +385,9 @@ &pcie {
};
&pcie_phy {
+ fsl,clkreq-unsupported;
fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
- clocks = <&pcie0_refclk>;
+ clocks = <&pcieclk 1>;
clock-names = "ref";
status = "okay";
};
--
2.39.2
Powered by blists - more mailing lists