linux-kernel - Re: [PATCH 3/3] arm64: dts: freescale: Add devicetree for Oxalis

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Message-ID: <CAL_JsqL9iRbSss5nDq5OAoo-_OsZJf8KS9KGOgxQL1Xfk6f3dg@mail.gmail.com>
Date:   Thu, 10 Jan 2019 10:51:12 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     Shawn Guo <shawnguo@...nel.org>, Yang-Leo Li <leoyang.li@....com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>, devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        a.tropschug@...-systart.com, m.bittner@...-systart.com,
        Amit Kucheria <amit.kucheria@...aro.org>
Subject: Re: [PATCH 3/3] arm64: dts: freescale: Add devicetree for Oxalis

On Thu, Jan 10, 2019 at 2:08 AM Manivannan Sadhasivam
<manivannan.sadhasivam@...aro.org> wrote:
>
> Add devicetree support for Oxalis SoM board from EBS-SYSTART. This
> board is one of the 96Boards Enterprise Edition platform. Below are some
> of the key features of this board:
>
> * SoC: NXP Layerscape LS1012A
> * RAM: 1GB DDR3L
> * PMU: NXP VR5100
> * Storage: 64MByte SPI Flash for bootloader and RCW, MicroSD Card, SATA
> * Connectivity: 2x Ethernet
> * USB: 2x USB3.0
>
> More information about this board can be found in 96Boards product
> page: https://www.96boards.org/product/oxalis/
>
> Ethernet and SPI flash are not supported yet!
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |  1 +
>  .../boot/dts/freescale/fsl-ls1012a-oxalis.dts | 96 +++++++++++++++++++
>  2 files changed, 97 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1012a-oxalis.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index f9be2426f83c..d8152cc06b3f 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -1,6 +1,7 @@
>  # SPDX-License-Identifier: GPL-2.0
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-frdm.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-frwy.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-oxalis.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-qds.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-rdb.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds.dtb
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-oxalis.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-oxalis.dts
> new file mode 100644
> index 000000000000..760a3e258c96
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-oxalis.dts
> @@ -0,0 +1,96 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Device Tree file for Oxalis
> + *
> + * Copyright (c) 2019 Manivannan Sadhasivam
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include "fsl-ls1012a.dtsi"
> +
> +/ {
> +       model = "Oxalis";
> +       compatible = "ebs-systart,oxalis", "fsl,ls1012a";
> +
> +       sys_mclk: clock-mclk {
> +               compatible = "fixed-clock";
> +               #clock-cells = <0>;
> +               clock-frequency = <25000000>;
> +       };
> +
> +       reg_1p8v: regulator-1p8v {
> +               compatible = "regulator-fixed";
> +               regulator-name = "1P8V";
> +               regulator-min-microvolt = <1800000>;
> +               regulator-max-microvolt = <1800000>;
> +               regulator-always-on;
> +       };
> +
> +       sound {
> +               compatible = "simple-audio-card";
> +               simple-audio-card,format = "i2s";
> +               simple-audio-card,widgets =
> +                       "Microphone", "Microphone Jack",
> +                       "Headphone", "Headphone Jack",
> +                       "Speaker", "Speaker Ext",
> +                       "Line", "Line In Jack";
> +               simple-audio-card,routing =
> +                       "MIC_IN", "Microphone Jack",
> +                       "Microphone Jack", "Mic Bias",
> +                       "LINE_IN", "Line In Jack",
> +                       "Headphone Jack", "HP_OUT",
> +                       "Speaker Ext", "LINE_OUT";
> +
> +               simple-audio-card,cpu {
> +                       sound-dai = <&sai2>;
> +                       frame-master;
> +                       bitclock-master;
> +               };
> +
> +               simple-audio-card,codec {
> +                       sound-dai = <&codec>;
> +                       frame-master;
> +                       bitclock-master;
> +                       system-clock-frequency = <25000000>;
> +               };
> +       };
> +};
> +
> +&duart0 {
> +       status = "okay";
> +};
> +
> +&duart1 {
> +       status = "okay";
> +};
> +
> +&esdhc1 {
> +       status = "okay";
> +};
> +
> +&i2c0 {
> +       status = "okay";
> +
> +       codec: sgtl5000@a {

Use generic node names:

audio-codec@a

> +               #sound-dai-cells = <0>;
> +               compatible = "fsl,sgtl5000";
> +               reg = <0xa>;
> +               VDDA-supply = <&reg_1p8v>;
> +               VDDIO-supply = <&reg_1p8v>;
> +               clocks = <&sys_mclk>;
> +       };
> +};
> +
> +&i2c1 {
> +       status = "okay";
> +};
> +
> +&sai2 {
> +       status = "okay";
> +};
> +
> +&sata {
> +       status = "okay";
> +};
> --
> 2.17.1
>