diff options
| author | Adam Ford <aford173@gmail.com> | 2023-10-04 18:51:47 -0500 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2023-10-10 11:06:01 +0800 |
| commit | 63c46b51c7995d8aeb4b44493633f4ce1dcf62bc (patch) | |
| tree | 4af134c0d339d8394f55741d8da0659ed94e9f04 /arch/arm64/boot/dts | |
| parent | db1925454a2e7cadcac8756442ca7c3198332336 (diff) | |
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@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts index acd265d8b58e..5c90788ab6a1 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 @@ stdout-path = &uart2; }; + clk_xtal25: clock-xtal25 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + }; + connector { compatible = "usb-c-connector"; label = "USB-C"; @@ -112,12 +118,6 @@ }; }; - pcie0_refclk: clock-pcie { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <100000000>; - }; - reg_audio: regulator-wm8962 { compatible = "regulator-fixed"; regulator-name = "3v3_aud"; @@ -246,6 +246,13 @@ interrupt-controller; #interrupt-cells = <2>; }; + + pcieclk: clock-generator@68 { + compatible = "renesas,9fgv0241"; + reg = <0x68>; + clocks = <&clk_xtal25>; + #clock-cells = <1>; + }; }; &i2c3 { @@ -372,8 +379,9 @@ }; &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"; }; |