[PATCHv3 2/4] picoxcell: add the DTS for pc3x2 and pc3x3 devices
Rob Herring
robherring2 at gmail.com
Mon Sep 26 14:04:19 EDT 2011
Jamie,
On 09/26/2011 10:24 AM, Jamie Iles wrote:
> This describes the basic hierarchy of picoxcell pc3x3 devices including
> clocks and bus interconnect. Some onchip devices are currently omitted
> as there haven't been bindings created for them.
>
> v2: - change timer compatible strings to be more soc specific
> - split vic node into 2 devices
>
> Signed-off-by: Jamie Iles <jamie at jamieiles.com>
> ---
> arch/arm/boot/dts/picoxcell-pc3x2.dtsi | 249 ++++++++++++++++++++++
> arch/arm/boot/dts/picoxcell-pc3x3.dtsi | 365 ++++++++++++++++++++++++++++++++
> 2 files changed, 614 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/boot/dts/picoxcell-pc3x2.dtsi
> create mode 100644 arch/arm/boot/dts/picoxcell-pc3x3.dtsi
>
> diff --git a/arch/arm/boot/dts/picoxcell-pc3x2.dtsi b/arch/arm/boot/dts/picoxcell-pc3x2.dtsi
> new file mode 100644
> index 0000000..f0a8c20
> --- /dev/null
> +++ b/arch/arm/boot/dts/picoxcell-pc3x2.dtsi
> @@ -0,0 +1,249 @@
> +/*
> + * 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.
> + */
> +/include/ "skeleton.dtsi"
> +/ {
> + model = "Picochip picoXcell PC3X2";
> + compatible = "picochip,pc3x2";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cpu at 0 {
> + compatible = "arm,1176jz-s";
> + clock-frequency = <400000000>;
> + reg = <0>;
> + d-cache-line-size = <32>;
> + d-cache-size = <32768>;
> + i-cache-line-size = <32>;
> + i-cache-size = <32768>;
> + };
> + };
> +
> + clocks {
I would hold off on clock bindings. Grant expressed at LPC the desire to
re-work the binding.
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + pclk: clock at 0 {
> + compatible = "fixed-clock";
> + clock-outputs = "bus", "pclk";
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> + };
> +
> + paxi {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x80000000 0x400000>;
> +
> + emac: gem at 30000 {
ethernet is the preferred generic name here. See section 2.2.2 of ePAPR.
So it would be "emac: ethernet at 30000"
> + compatible = "cadence,gem";
> + reg = <0x30000 0x10000>;
> + interrupts = <31>;
> + };
> +
> + dmac1: dmac at 40000 {
> + compatible = "snps,dw-dmac";
> + reg = <0x40000 0x10000>;
> + interrupts = <25>;
> + };
> +
> + dmac2: dmac at 50000 {
> + compatible = "snps,dw-dmac";
> + reg = <0x50000 0x10000>;
> + interrupts = <26>;
> + };
> +
> + vic0: interrupt-controller at 60000 {
> + compatible = "arm,pl192-vic";
> + interrupt-controller;
> + reg = <0x60000 0x1000>;
> + #interrupt-cells = <1>;
No edge/level control/settings for the vic? Needs binding documentation.
> + };
> +
> + vic1: interrupt-controller at 64000 {
> + compatible = "arm,pl192-vic";
> + interrupt-controller;
> + reg = <0x64000 0x1000>;
> + #interrupt-cells = <1>;
> + };
> +
> + fuse: picoxcell-fuse at 80000 {
> + compatible = "picoxcell,fuse-pc3x2";
> + reg = <0x80000 0x10000>;
> + };
> +
> + ssi: picoxcell-spi at 90000 {
> + compatible = "picoxcell,spi";
> + reg = <0x90000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <10>;
> + };
> +
> + ipsec: spacc at 100000 {
> + compatible = "picochip,spacc-ipsec";
> + reg = <0x100000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <24>;
> + ref-clock = <&pclk>, "ref";
> + };
> +
> + srtp: spacc at 140000 {
> + compatible = "picochip,spacc-srtp";
> + reg = <0x140000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <23>;
> + };
> +
> + l2_engine: spacc at 180000 {
> + compatible = "picochip,spacc-l2";
> + reg = <0x180000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <22>;
> + ref-clock = <&pclk>, "ref";
> + };
> +
> + apb {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x200000 0x80000>;
> +
> + rtc0: rtc at 00000 {
> + compatible = "picochip,pc3x2-rtc";
> + clock-freq = <200000000>;
> + reg = <0x00000 0xf>;
> + interrupt-parent = <&vic1>;
> + interrupts = <8>;
> + };
> +
> + timer0: timer at 10000 {
> + compatible = "picochip,pc3x2-timer";
> + interrupt-parent = <&vic0>;
> + interrupts = <4>;
> + clock-freq = <200000000>;
> + reg = <0x10000 0x14>;
> + };
> +
> + timer1: timer at 10014 {
> + compatible = "picochip,pc3x2-timer";
> + interrupt-parent = <&vic0>;
> + interrupts = <5>;
> + clock-freq = <200000000>;
> + reg = <0x10014 0x14>;
> + };
> +
> + timer2: timer at 10028 {
> + compatible = "picochip,pc3x2-timer";
> + interrupt-parent = <&vic0>;
> + interrupts = <6>;
> + clock-freq = <200000000>;
> + reg = <0x10028 0x14>;
> + };
> +
> + timer3: timer at 1003c {
> + compatible = "picochip,pc3x2-timer";
> + interrupt-parent = <&vic0>;
> + interrupts = <7>;
> + clock-freq = <200000000>;
> + reg = <0x1003c 0x14>;
> + };
> +
> + gpio: gpio at 20000 {
> + compatible = "snps,dw-apb-gpio";
> + reg = <0x20000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg-io-width = <4>;
> +
> + banka: gpio-controller at 0 {
> + compatible = "snps,dw-apb-gpio-bank";
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-generic,nr-gpio = <8>;
This seems like Linux creeping into device tree.
> +
> + regoffset-dat = <0x50>;
> + regoffset-set = <0x00>;
> + regoffset-dirout = <0x04>;
> + };
> +
> + bankb: gpio-controller at 1 {
> + compatible = "snps,dw-apb-gpio-bank";
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-generic,nr-gpio = <8>;
> +
> + regoffset-dat = <0x54>;
> + regoffset-set = <0x0c>;
> + regoffset-dirout = <0x10>;
> + };
> + };
> +
> + uart0: uart at 30000 {
Preferred name is serial at 30000
> + compatible = "snps,dw-apb-uart";
> + reg = <0x30000 0x1000>;
> + interrupt-parent = <&vic1>;
> + interrupts = <10>;
> + clock-frequency = <3686400>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + };
> +
> + uart1: uart at 40000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x40000 0x1000>;
> + interrupt-parent = <&vic1>;
> + interrupts = <9>;
> + clock-frequency = <3686400>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + };
> +
> + wdog: watchdog at 50000 {
> + compatible = "snps,dw-apb-wdg";
> + reg = <0x50000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <11>;
> + bus-clock = <&pclk>, "bus";
> + };
> + };
> + };
> +
> + rwid-axi {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "simple-bus";
> + ranges;
> +
> + ebi at 50000000 {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <1>;
> + ranges = <0 0 0x40000000 0x08000000
> + 1 0 0x48000000 0x08000000
> + 2 0 0x50000000 0x08000000
> + 3 0 0x58000000 0x08000000>;
> + };
> +
> + axi2pico at c0000000 {
> + compatible = "picochip,axi2pico-pc3x2";
> + reg = <0xc0000000 0x10000>;
> + interrupts = <13 14 15 16 17 18 19 20 21>;
> + };
> + };
> +};
> diff --git a/arch/arm/boot/dts/picoxcell-pc3x3.dtsi b/arch/arm/boot/dts/picoxcell-pc3x3.dtsi
Mostly same comments apply here. All these bindings need documentation.
Rob
> new file mode 100644
> index 0000000..daa962d
> --- /dev/null
> +++ b/arch/arm/boot/dts/picoxcell-pc3x3.dtsi
> @@ -0,0 +1,365 @@
> +/*
> + * 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.
> + */
> +/include/ "skeleton.dtsi"
> +/ {
> + model = "Picochip picoXcell PC3X3";
> + compatible = "picochip,pc3x3";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cpu at 0 {
> + compatible = "arm,1176jz-s";
> + cpu-clock = <&arm_clk>, "cpu";
> + reg = <0>;
> + d-cache-line-size = <32>;
> + d-cache-size = <32768>;
> + i-cache-line-size = <32>;
> + i-cache-size = <32768>;
> + };
> + };
> +
> + clocks {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + clkgate: clkgate at 800a0048 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x800a0048 4>;
> + compatible = "picochip,pc3x3-clk-gate";
> +
> + tzprot_clk: clock at 0 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <0>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + spi_clk: clock at 1 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <1>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + dmac0_clk: clock at 2 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <2>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + dmac1_clk: clock at 3 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <3>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + ebi_clk: clock at 4 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <4>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + ipsec_clk: clock at 5 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <5>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + l2_clk: clock at 6 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <6>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + trng_clk: clock at 7 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <7>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + fuse_clk: clock at 8 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <8>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> +
> + otp_clk: clock at 9 {
> + compatible = "picochip,pc3x3-gated-clk";
> + clock-outputs = "bus";
> + picochip,clk-disable-bit = <9>;
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> + };
> +
> + arm_clk: clock at 11 {
> + compatible = "picochip,pc3x3-pll";
> + reg = <0x800a0050 0x8>;
> + picochip,min-freq = <140000000>;
> + picochip,max-freq = <700000000>;
> + ref-clock = <&ref_clk>, "ref";
> + clock-outputs = "cpu";
> + };
> +
> + pclk: clock at 12 {
> + compatible = "fixed-clock";
> + clock-outputs = "bus", "pclk";
> + clock-frequency = <200000000>;
> + ref-clock = <&ref_clk>, "ref";
> + };
> + };
> +
> + paxi {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x80000000 0x400000>;
> +
> + emac: gem at 30000 {
> + compatible = "cadence,gem";
> + reg = <0x30000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <31>;
> + };
> +
> + dmac1: dmac at 40000 {
> + compatible = "snps,dw-dmac";
> + reg = <0x40000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <25>;
> + };
> +
> + dmac2: dmac at 50000 {
> + compatible = "snps,dw-dmac";
> + reg = <0x50000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <26>;
> + };
> +
> + vic0: interrupt-controller at 60000 {
> + compatible = "arm,pl192-vic";
> + interrupt-controller;
> + reg = <0x60000 0x1000>;
> + #interrupt-cells = <1>;
> + };
> +
> + vic1: interrupt-controller at 64000 {
> + compatible = "arm,pl192-vic";
> + interrupt-controller;
> + reg = <0x64000 0x1000>;
> + #interrupt-cells = <1>;
> + };
> +
> + fuse: picoxcell-fuse at 80000 {
> + compatible = "picoxcell,fuse-pc3x3";
> + reg = <0x80000 0x10000>;
> + };
> +
> + ssi: picoxcell-spi at 90000 {
> + compatible = "picoxcell,spi";
> + reg = <0x90000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <10>;
> + };
> +
> + ipsec: spacc at 100000 {
> + compatible = "picochip,spacc-ipsec";
> + reg = <0x100000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <24>;
> + ref-clock = <&ipsec_clk>, "ref";
> + };
> +
> + srtp: spacc at 140000 {
> + compatible = "picochip,spacc-srtp";
> + reg = <0x140000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <23>;
> + };
> +
> + l2_engine: spacc at 180000 {
> + compatible = "picochip,spacc-l2";
> + reg = <0x180000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <22>;
> + ref-clock = <&l2_clk>, "ref";
> + };
> +
> + apb {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x200000 0x80000>;
> +
> + rtc0: rtc at 00000 {
> + compatible = "picochip,pc3x2-rtc";
> + clock-freq = <200000000>;
> + reg = <0x00000 0xf>;
> + interrupt-parent = <&vic0>;
> + interrupts = <8>;
> + };
> +
> + timer0: timer at 10000 {
> + compatible = "picochip,pc3x2-timer";
> + interrupt-parent = <&vic0>;
> + interrupts = <4>;
> + clock-freq = <200000000>;
> + reg = <0x10000 0x14>;
> + };
> +
> + timer1: timer at 10014 {
> + compatible = "picochip,pc3x2-timer";
> + interrupt-parent = <&vic0>;
> + interrupts = <5>;
> + clock-freq = <200000000>;
> + reg = <0x10014 0x14>;
> + };
> +
> + gpio: gpio at 20000 {
> + compatible = "snps,dw-apb-gpio";
> + reg = <0x20000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg-io-width = <4>;
> +
> + banka: gpio-controller at 0 {
> + compatible = "snps,dw-apb-gpio-bank";
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-generic,nr-gpio = <8>;
> +
> + regoffset-dat = <0x50>;
> + regoffset-set = <0x00>;
> + regoffset-dirout = <0x04>;
> + };
> +
> + bankb: gpio-controller at 1 {
> + compatible = "snps,dw-apb-gpio-bank";
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-generic,nr-gpio = <16>;
> +
> + regoffset-dat = <0x54>;
> + regoffset-set = <0x0c>;
> + regoffset-dirout = <0x10>;
> + };
> +
> + bankd: gpio-controller at 2 {
> + compatible = "snps,dw-apb-gpio-bank";
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-generic,nr-gpio = <30>;
> +
> + regoffset-dat = <0x5c>;
> + regoffset-set = <0x24>;
> + regoffset-dirout = <0x28>;
> + };
> + };
> +
> + uart0: uart at 30000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x30000 0x1000>;
> + interrupt-parent = <&vic1>;
> + interrupts = <10>;
> + clock-frequency = <3686400>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + };
> +
> + uart1: uart at 40000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x40000 0x1000>;
> + interrupt-parent = <&vic1>;
> + interrupts = <9>;
> + clock-frequency = <3686400>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + };
> +
> + wdog: watchdog at 50000 {
> + compatible = "snps,dw-apb-wdg";
> + reg = <0x50000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <11>;
> + bus-clock = <&pclk>, "bus";
> + };
> +
> + timer2: timer at 60000 {
> + compatible = "picochip,pc3x2-timer";
> + interrupt-parent = <&vic0>;
> + interrupts = <6>;
> + clock-freq = <200000000>;
> + reg = <0x60000 0x14>;
> + };
> +
> + timer3: timer at 60014 {
> + compatible = "picochip,pc3x2-timer";
> + interrupt-parent = <&vic0>;
> + interrupts = <7>;
> + clock-freq = <200000000>;
> + reg = <0x60014 0x14>;
> + };
> + };
> + };
> +
> + rwid-axi {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "simple-bus";
> + ranges;
> +
> + ebi at 50000000 {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <1>;
> + ranges = <0 0 0x40000000 0x08000000
> + 1 0 0x48000000 0x08000000
> + 2 0 0x50000000 0x08000000
> + 3 0 0x58000000 0x08000000>;
> + };
> +
> + axi2pico at c0000000 {
> + compatible = "picochip,axi2pico-pc3x3";
> + reg = <0xc0000000 0x10000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <13 14 15 16 17 18 19 20 21>;
> + };
> +
> + otp at ffff8000 {
> + compatible = "picochip,otp-pc3x3";
> + reg = <0xffff8000 0x8000>;
> + };
> + };
> +};
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