[PATCH v2 2/2] ARM64: dts: add LS1043a-QDS board support
Shawn Guo
shawnguo at kernel.org
Thu Feb 18 19:28:30 PST 2016
On Thu, Dec 24, 2015 at 05:11:38PM +0800, Zhiqiang Hou wrote:
> From: Shaohui Xie <Shaohui.Xie at freescale.com>
>
Empty commit log is generally not welcomed. You can have something here
to introduce the board briefly.
We generally use lowercase for arm64 patch subject prefix, i.e.
"arm64: dts: ...". Yes, this is different from ARM.
> Signed-off-by: Shaohui Xie <Shaohui.Xie at freescale.com>
> Signed-off-by: Mingkai Hu <Mingkai.Hu at freescale.com>
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at freescale.com>
> ---
> v2:
> - add root node compatible property
>
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts | 168 ++++++++++++++++++++++
> 2 files changed, 169 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index f3c2516..1423fa4 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -2,6 +2,7 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-qds.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-rdb.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-simu.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-rdb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-qds.dtb
The list should be sorted alphabetically. But it's not your fault, as
fsl-ls1043a-rdb.dtb is already wrong.
>
> always := $(dtb-y)
> subdir-y := $(dts-dirs)
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts
> new file mode 100644
> index 0000000..d7aae69
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts
> @@ -0,0 +1,168 @@
> +/*
> + * Device Tree Include file for Freescale Layerscape-1043A family SoC.
> + *
> + * Copyright 2014-2015, Freescale Semiconductor
> + *
> + * Mingkai Hu <Mingkai.hu at freescale.com>
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPLv2 or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + * a) This library 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 library 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.
> + *
> + * Or, alternatively,
> + *
> + * b) Permission is hereby granted, free of charge, to any person
> + * obtaining a copy of this software and associated documentation
> + * files (the "Software"), to deal in the Software without
> + * restriction, including without limitation the rights to use,
> + * copy, modify, merge, publish, distribute, sublicense, and/or
> + * sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following
> + * conditions:
> + *
> + * The above copyright notice and this permission notice shall be
> + * included in all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +/include/ "fsl-ls1043a.dtsi"
> +
> +/ {
> + model = "LS1043A QDS Board";
> + compatible = "fsl,ls1043a-qds", "fsl,ls1043a";
> +
> + aliases {
> + serial0 = &lpuart0;
> + serial1 = &lpuart1;
> + serial2 = &lpuart2;
> + serial3 = &lpuart3;
> + serial4 = &lpuart4;
> + serial5 = &lpuart5;
> +
This new line is not really necessary.
> + gpio0 = &gpio1;
> + gpio1 = &gpio2;
> + gpio2 = &gpio3;
> + gpio3 = &gpio4;
I suggest to sort all these aliases entries alphabetically.
> + };
> +};
> +
> +&i2c0 {
> + status = "okay";
I suggest to have a new line between properties and sub-node.
> + pca9547 at 77 {
> + compatible = "philips,pca9547";
I cannot find this compatible string in either binding docs or driver
code.
> + reg = <0x77>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + i2c at 0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x0>;
> +
> + rtc at 68 {
> + compatible = "dallas,ds3232";
> + reg = <0x68>;
> + /* IRQ10_B */
> + interrupts = <0 150 0x4>;
> + };
> + };
> +
> + i2c at 2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x2>;
> +
> + ina220 at 40 {
> + compatible = "ti,ina220";
> + reg = <0x40>;
> + shunt-resistor = <1000>;
> + };
> +
> + ina220 at 41 {
> + compatible = "ti,ina220";
> + reg = <0x41>;
> + shunt-resistor = <1000>;
> + };
> + };
> +
> + i2c at 3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x3>;
> +
> + eeprom at 56 {
> + compatible = "at24,24c512";
Unsupported/undocumented compatible?
> + reg = <0x56>;
> + };
> +
> + eeprom at 57 {
> + compatible = "at24,24c512";
> + reg = <0x57>;
> + };
> +
> + adt7461a at 4c {
temp-sensor should be a better node name, if I understand the device
correctly.
> + compatible = "adt7461a";
It should be "adi,adt7461a" per
Documentation/devicetree/bindings/hwmon/lm90.txt?
> + reg = <0x4c>;
> + };
> + };
> + };
> +};
> +
> +&ifc {
> + status = "okay";
We generally put it at the bottom of the property list.
> + #address-cells = <2>;
> + #size-cells = <1>;
> + /* NOR, NAND Flashes and FPGA on board */
> + ranges = <0x0 0x0 0x0 0x60000000 0x08000000
> + 0x1 0x0 0x0 0x7e800000 0x00010000
> + 0x2 0x0 0x0 0x7fb00000 0x00000100>;
> +
> + nor at 0,0 {
> + compatible = "cfi-flash";
> + reg = <0x0 0x0 0x8000000>;
> + bank-width = <2>;
> + device-width = <1>;
> + };
> +
> + nand at 1,0 {
> + compatible = "fsl,ifc-nand";
> + reg = <0x1 0x0 0x10000>;
> + };
> +
> + fpga: board-control at 2,0 {
> + compatible = "fsl,ls1043aqds-fpga", "fsl,fpga-qixis";
> + reg = <0x2 0x0 0x0000100>;
> + };
> +};
> +
> +&lpuart0 {
> + status = "okay";
> +};
> +
> +&duart0 {
> + status = "okay";
> +};
> +
> +&duart1 {
> + status = "okay";
> +};
I suggest you sort these node alphabetically per label name.
Shawn
> --
> 2.1.0.27.g96db324
>
>
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