[PATCHv2 3/3] picoxcell: add the DTS for the PC7302 board

[Barry Song]

2011/8/24 Jamie Iles <jamie at jamieiles.com>:
> The PC7302 board can be populated with either a PC3X2 or PC3X3 device.
> Add DTS files for both variants of the PC7302.
>
> Signed-off-by: Jamie Iles <jamie at jamieiles.com>
> ---
>  arch/arm/boot/dts/picoxcell-pc7302-pc3x2.dts |   87 ++++++++++++++++++++++++
>  arch/arm/boot/dts/picoxcell-pc7302-pc3x3.dts |   93 ++++++++++++++++++++++++++
>  2 files changed, 180 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/boot/dts/picoxcell-pc7302-pc3x2.dts
>  create mode 100644 arch/arm/boot/dts/picoxcell-pc7302-pc3x3.dts
>
> diff --git a/arch/arm/boot/dts/picoxcell-pc7302-pc3x2.dts b/arch/arm/boot/dts/picoxcell-pc7302-pc3x2.dts
> new file mode 100644
> index 0000000..4c9a7ba
> --- /dev/null
> +++ b/arch/arm/boot/dts/picoxcell-pc7302-pc3x2.dts
> @@ -0,0 +1,87 @@
> +/*
> + *  Copyright (C) 2011 Picochip, Jamie Iles
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * 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/ "picoxcell-pc3x2.dtsi"
> +/ {
> +       model = "Picochip PC7302 (PC3X2)";
> +       compatible = "picochip,pc7302-pc3x2", "picochip,pc3x2";
> +
> +       memory {
> +               device_type = "memory";
> +               reg = <0x0 0x08000000>;
> +       };
> +
> +       chosen {
> +               bootargs = "console=ttyS0,115200 earlyprintk loglevel=9 root=ubi0:rootfs rw rootfstype=ubifs ubi.mtd=5,2048";
> +               linux,stdout-path = &uart0;
> +       };
> +
> +       clocks {
> +               ref_clk: clock at 1 {
> +                       compatible = "fixed-clock";
> +                       clock-outputs = "ref";
> +                       clock-frequency = <20000000>;
> +               };
> +       };
> +
> +       rwid-axi {
> +               ebi at 50000000 {
> +                       nand: gpio-nand at 2,0 {
> +                               compatible = "gpio-control-nand";
> +                               #address-cells = <1>;
> +                               #size-cells = <1>;
> +                               reg = <2 0x0000 0x1000>;
> +                               bus-clock = <&pclk>, "bus";
> +                               gpio-control-nand,io-sync-reg =
> +                                       <0x00000000 0x80220000>;
> +
> +                               gpios = <&banka 1 0     /* rdy */
> +                                        &banka 2 0     /* nce */
> +                                        &banka 3 0     /* ale */
> +                                        &banka 4 0     /* cle */
> +                                        0              /* nwp */>;
> +
> +                               boot at 100000 {
> +                                       label = "Boot";
> +                                       reg = <0x100000 0x80000>;
> +                               };
> +
> +                               redundant-boot at 200000 {
> +                                       label = "Redundant Boot";
> +                                       reg = <0x200000 0x80000>;
> +                               };
> +
> +                               boot-env at 300000 {
> +                                       label = "Boot Evironment";
> +                                       reg = <0x300000 0x20000>;
> +                               };
> +
> +                               redundant-boot-env at 320000 {
> +                                       label = "Redundant Boot Environment";
> +                                       reg = <0x300000 0x20000>;
> +                               };
> +
> +                               kernel at 380000 {
> +                                       label = "Kernel";
> +                                       reg = <0x380000 0x800000>;
> +                               };
> +
> +                               fs at b80000 {
> +                                       label = "File System";
> +                                       reg = <0xb80000 0xf480000>;
> +                               };
> +                       };
> +               };
> +       };
> +};
> diff --git a/arch/arm/boot/dts/picoxcell-pc7302-pc3x3.dts b/arch/arm/boot/dts/picoxcell-pc7302-pc3x3.dts
> new file mode 100644
> index 0000000..381eb6a
> --- /dev/null
> +++ b/arch/arm/boot/dts/picoxcell-pc7302-pc3x3.dts
> @@ -0,0 +1,93 @@
> +/*
> + *  Copyright (C) 2011 Picochip, Jamie Iles
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * 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/ "picoxcell-pc3x3.dtsi"
> +/ {
> +       model = "Picochip PC7302 (PC3X3)";
> +       compatible = "picochip,pc7302-pc3x3", "picochip,pc3x3";
> +
> +       memory {
> +               device_type = "memory";
> +               reg = <0x0 0x08000000>;
> +       };
> +
> +       chosen {
> +               bootargs = "console=ttyS0,115200 earlyprintk loglevel=9 root=ubi0:rootfs rw rootfstype=ubifs ubi.mtd=5,2048";
> +               linux,stdout-path = &uart0;
> +       };
> +
> +       clocks {
> +               ref_clk: clock at 10 {
> +                       compatible = "fixed-clock";
> +                       clock-outputs = "ref";
> +                       clock-frequency = <20000000>;
> +               };

ok. find it. is its name just "ref_clk"? could it be a pll/osc or some
meaningful name?

> +
> +               clkgate: clkgate at 800a0048 {
> +                       clock at 4 {
> +                               picochip,clk-no-disable;
> +                       };
> +               };
> +       };
> +
Thanks
barry