2011/8/24 Jamie Iles <[email protected]>:
> 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 <[email protected]>
> ---
> 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@1 {
> + compatible = "fixed-clock";
> + clock-outputs = "ref";
> + clock-frequency = <20000000>;
> + };
> + };
> +
> + rwid-axi {
> + ebi@50000000 {
> + nand: gpio-nand@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@100000 {
> + label = "Boot";
> + reg = <0x100000 0x80000>;
> + };
> +
> + redundant-boot@200000 {
> + label = "Redundant Boot";
> + reg = <0x200000 0x80000>;
> + };
> +
> + boot-env@300000 {
> + label = "Boot Evironment";
> + reg = <0x300000 0x20000>;
> + };
> +
> + redundant-boot-env@320000 {
> + label = "Redundant Boot Environment";
> + reg = <0x300000 0x20000>;
> + };
> +
> + kernel@380000 {
> + label = "Kernel";
> + reg = <0x380000 0x800000>;
> + };
> +
> + fs@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@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@800a0048 {
> + clock@4 {
> + picochip,clk-no-disable;
> + };
> + };
> + };
> +
Thanks
barry
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