diff options
| author | Richard Zhu <hongxing.zhu@nxp.com> | 2018-10-23 16:32:34 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:34:50 +0800 |
| commit | 9e51bb1abe79586c97a85554fc4e5effcbc6f33b (patch) | |
| tree | e969f9a94b4c613f7e94a1b280f1358cd2ae7dd4 /arch/arm64/boot/dts/freescale | |
| parent | 77416a732bb122826ee56867bde695edf3f5d2d9 (diff) | |
MLK-20099-1 ARM64: dts: use external osc as refclk on 8mm evk board
Use the external osc as the pcie refclk on 8mm evk
rev c board.
Create another -revb.dts for the back compatible usage.
Because that internal pll is used as pcie ref clock on
the rev b board in default.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Diffstat (limited to 'arch/arm64/boot/dts/freescale')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-imx8mm-evk-revb.dts | 32 | ||||
| -rwxr-xr-x | arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts | 2 |
3 files changed, 35 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index c7612676132a..8f2cc2c50e48 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -122,7 +122,8 @@ dtb-$(CONFIG_ARCH_FSL_IMX8MM) += fsl-imx8mm-evk.dtb \ fsl-imx8mm-ddr4-val.dtb \ fsl-imx8mm-evk-rm67191.dtb \ fsl-imx8mm-evk-root.dtb \ - fsl-imx8mm-evk-inmate.dtb + fsl-imx8mm-evk-inmate.dtb \ + fsl-imx8mm-evk-revb.dtb always := $(dtb-y) subdir-y := $(dts-dirs) clean-files := *.dtb diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk-revb.dts b/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk-revb.dts new file mode 100644 index 000000000000..c2f89aa7002c --- /dev/null +++ b/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk-revb.dts @@ -0,0 +1,32 @@ +/* + * Copyright 2018 NXP + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/dts-v1/; + +#include "fsl-imx8mm-evk.dts" + +/ { + model = "FSL i.MX8MM EVK RevB board"; +}; + +/* + * External OSC is used as PCIe REFCLK on RevC board. + * Use the -revb.dts file to distiguish the different + * HW design. + */ +&pcie0{ + ext_osc = <0>; + status = "okay"; +}; + diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts index 43ae138e8b55..8042923a93ff 100755 --- a/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts @@ -926,7 +926,7 @@ pinctrl-0 = <&pinctrl_pcie0>; disable-gpio = <&gpio1 5 GPIO_ACTIVE_LOW>; reset-gpio = <&gpio4 21 GPIO_ACTIVE_LOW>; - ext_osc = <0>; + ext_osc = <1>; status = "okay"; }; |