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Date: Fri, 4 Mar 2011 18:15:26 -0700
From: Grant Likely <grant.likely@...retlab.ca>
To: David Daney <ddaney@...iumnetworks.com>
Cc: linux-mips@...ux-mips.org, ralf@...ux-mips.org,
devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 04/12] MIPS: Octeon: Add device tree source
files.
On Fri, Mar 04, 2011 at 11:42:16AM -0800, David Daney wrote:
> Signed-off-by: David Daney <ddaney@...iumnetworks.com>
> ---
> arch/mips/cavium-octeon/.gitignore | 2 +
> arch/mips/cavium-octeon/Makefile | 13 ++
> arch/mips/cavium-octeon/octeon_3xxx.dts | 330 +++++++++++++++++++++++++++++++
> arch/mips/cavium-octeon/octeon_68xx.dts | 116 +++++++++++
> 4 files changed, 461 insertions(+), 0 deletions(-)
> create mode 100644 arch/mips/cavium-octeon/.gitignore
> create mode 100644 arch/mips/cavium-octeon/octeon_3xxx.dts
> create mode 100644 arch/mips/cavium-octeon/octeon_68xx.dts
>
> diff --git a/arch/mips/cavium-octeon/.gitignore b/arch/mips/cavium-octeon/.gitignore
> new file mode 100644
> index 0000000..39c9686
> --- /dev/null
> +++ b/arch/mips/cavium-octeon/.gitignore
> @@ -0,0 +1,2 @@
> +*.dtb.S
> +*.dtb
> diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile
> index 19eb043..5e25dce 100644
> --- a/arch/mips/cavium-octeon/Makefile
> +++ b/arch/mips/cavium-octeon/Makefile
> @@ -15,3 +15,16 @@ obj-y += octeon-memcpy.o
> obj-y += executive/
>
> obj-$(CONFIG_SMP) += smp.o
> +
> +DTS_FILES = octeon_3xxx.dts octeon_68xx.dts
> +DTB_FILES = $(patsubst %.dts, %.dtb, $(DTS_FILES))
> +
> +obj-y += $(patsubst %.dts, %.dtb.o, $(DTS_FILES))
> +
> +$(obj)/%.dtb: $(src)/%.dts
> + $(call cmd,dtc)
> +
> +# Let's keep the .dtb files around in case we want to look at them.
> +.SECONDARY: $(addprefix $(obj)/, $(DTB_FILES))
> +
> +clean-files += $(DTB_FILES) $(patsubst %.dtb, %.dtb.S, $(DTB_FILES))
> diff --git a/arch/mips/cavium-octeon/octeon_3xxx.dts b/arch/mips/cavium-octeon/octeon_3xxx.dts
> new file mode 100644
> index 0000000..6910d9d
> --- /dev/null
> +++ b/arch/mips/cavium-octeon/octeon_3xxx.dts
> @@ -0,0 +1,330 @@
> +/dts-v1/;
> +/*
> + * OCTEON 3XXX, 5XXX, 63XX device tree skeleton.
> + *
> + * This device tree is pruned and patched by early boot code before
> + * use. Because of this, it contains a super-set of the available
> + * devices and properties.
> + */
> +/ {
> + model = "OCTEON";
Be more specific in the model property. What is the full (human
readable) name of this board? Since your using this simply as a
template, it may be better to just omit this property entirely.
> + compatible = "cavium,octeon-3860";
All of the new compatible values in this file need to be documented in
Documentation/devicetree/bindings.
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + soc@0 {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges; /* Direct mapping */
> +
> + ciu: interrupt-controller@...0000000000 {
> + compatible = "cavium,octeon-3860-ciu";
> + interrupt-controller;
> + #address-cells = <0>;
> + /* Interrupts are specified by three parts:
> + * 1) Controller register (0 or 1)
> + * 2) Bit within the register (0..63)
> + * 3) Triggering (0 - level active high
> + * 1 - level active low
> + * 2 - edge rising
> + * 3 - edge falling
> + *
> + * For non-GPIO sources, the triggering cannot be
> + * changed and is ignored.
> + */
> + #interrupt-cells = <3>;
> + reg = <0x10700 0x00000000 0x0 0x7000>;
> + };
> +
> + smi0: mdio@...0000001800 {
> + compatible = "cavium,octeon-3860-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x11800 0x00001800 0x0 0x40>;
> +
> + phy0: ethernet-phy@0 {
> + reg = <0>;
Should have a compatible property for each of the phys
> + };
> +
> + phy1: ethernet-phy@1 {
> + reg = <1>;
> + };
> +
> + phy2: ethernet-phy@2 {
> + reg = <2>;
> + marvell,reg-init = <3 0x10 0 0x5777>,
> + <3 0x11 0 0x00aa>,
> + <3 0x12 0 0x4105>,
> + <3 0x13 0 0x0a60>;
> + };
> + phy3: ethernet-phy@3 {
> + reg = <3>;
> + marvell,reg-init = <3 0x10 0 0x5777>,
> + <3 0x11 0 0x00aa>,
> + <3 0x12 0 0x4105>,
> + <3 0x13 0 0x0a60>;
> + };
> + phy4: ethernet-phy@4 {
> + reg = <4>;
> + marvell,reg-init = <3 0x10 0 0x5777>,
> + <3 0x11 0 0x00aa>,
> + <3 0x12 0 0x4105>,
> + <3 0x13 0 0x0a60>;
> + };
> + phy5: ethernet-phy@5 {
> + reg = <5>;
> + marvell,reg-init = <3 0x10 0 0x5777>,
> + <3 0x11 0 0x00aa>,
> + <3 0x12 0 0x4105>,
> + <3 0x13 0 0x0a60>;
> + };
> +
> + phy6: ethernet-phy@6 {
> + reg = <6>;
> + marvell,reg-init = <3 0x10 0 0x5777>,
> + <3 0x11 0 0x00aa>,
> + <3 0x12 0 0x4105>,
> + <3 0x13 0 0x0a60>;
> + };
> + phy7: ethernet-phy@7 {
> + reg = <7>;
> + marvell,reg-init = <3 0x10 0 0x5777>,
> + <3 0x11 0 0x00aa>,
> + <3 0x12 0 0x4105>,
> + <3 0x13 0 0x0a60>;
> + };
> + phy8: ethernet-phy@8 {
> + reg = <8>;
> + marvell,reg-init = <3 0x10 0 0x5777>,
> + <3 0x11 0 0x00aa>,
> + <3 0x12 0 0x4105>,
> + <3 0x13 0 0x0a60>;
> + };
> + phy9: ethernet-phy@9 {
> + reg = <9>;
> + marvell,reg-init = <3 0x10 0 0x5777>,
> + <3 0x11 0 0x00aa>,
> + <3 0x12 0 0x4105>,
> + <3 0x13 0 0x0a60>;
> + };
> + };
> +
> + smi1: mdio@...0000001900 {
> + compatible = "cavium,octeon-3860-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x11800 0x00001900 0x0 0x40>;
> + };
> +
> + mix0: ethernet@...0000100000 {
> + compatible = "cavium,octeon-5750-mix";
> + device_type = "network";
Drop 'device_type' property. It only makes sense if you have a real
OpenFirmware implementation. Ditto through the rest of the file.
> + reg = <0x10700 0x00100000 0x0 0x100>, /* MIX */
> + <0x11800 0xE0000000 0x0 0x300>, /* AGL */
> + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */
> + <0x11800 0xE0002000 0x0 0x8>; /* AGL_PRT_CTL */
> + cell-index = <0>;
> + interrupt-parent = <&ciu>;
If you put this property up in the root node, then you can omit it
from everywhere else because they'll pick it up as the default
interrupt controller.
> + interrupts = <0 62 0>, <1 46 0>;
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy0>;
> + };
> +
> + mix1: ethernet@...0000100800 {
> + compatible = "cavium,octeon-5750-mix";
> + device_type = "network";
> + reg = <0x10700 0x00100800 0x0 0x100>, /* MIX */
> + <0x11800 0xE0000800 0x0 0x300>, /* AGL */
> + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */
> + <0x11800 0xE0002008 0x0 0x8>; /* AGL_PRT_CTL */
> + cell-index = <1>;
> + interrupt-parent = <&ciu>;
> + interrupts = <1 18 0>, < 1 46 0>;
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy1>;
> + };
> +
> + pip: pip@...00a0000000 {
> + compatible = "cavium,octeon-3860-pip";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x11800 0xa0000000 0x0 0x2000>;
> +
> + interface@0 {
> + compatible = "cavium,octeon-3860-pip-interface";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>; /* interface */
> +
> + ethernet@0 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x0>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy2>;
> + };
> + ethernet@1 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x1>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy3>;
> + };
> + ethernet@2 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x2>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy4>;
> + };
> + ethernet@3 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x3>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy5>;
> + };
> + };
> +
> + interface@1 {
> + compatible = "cavium,octeon-3860-pip-interface";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>; /* interface */
> +
> + ethernet@0 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x0>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy6>;
> + };
> + ethernet@1 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x1>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy7>;
> + };
> + ethernet@2 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x2>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy8>;
> + };
> + ethernet@3 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x3>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy9>;
> + };
> + };
> +
> + interface@2 { /* DPI interface. */
> + compatible = "cavium,octeon-3860-pip-interface";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>; /* interface */
> +
> + ethernet@0 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x0>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + };
> + ethernet@1 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x1>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + };
> + ethernet@2 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x2>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + };
> + ethernet@3 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x3>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + };
> + };
> +
> + interface@3 { /* Loop interface. */
> + compatible = "cavium,octeon-3860-pip-interface";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>; /* interface */
> +
> + ethernet@0 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x0>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + };
> + ethernet@1 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x1>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + };
> + ethernet@2 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x2>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + };
> + ethernet@3 {
> + compatible = "cavium,octeon-3860-pip-port";
> + device_type = "network";
> + reg = <0x3>; /* Port */
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + };
> + };
> + };
> +
> + twsi0: i2c@...0000001000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "cavium,octeon-3860-twsi";
> + reg = <0x11800 0x00001000 0x0 0x200>;
> + interrupt-parent = <&ciu>;
> + interrupts = <0 45 0>;
> + clock-rate = <100000>;
> +
> + rtc@68 {
> + compatible = "dallas,ds1337";
> + reg = <0x68>;
> + };
> + tmp@4c {
> + compatible = "ti,tmp421";
> + reg = <0x4c>;
> + };
> + };
> +
> + twsi1: i2c@...0000001200 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "cavium,octeon-3860-twsi";
> + reg = <0x11800 0x00001200 0x0 0x200>;
> + interrupt-parent = <&ciu>;
> + interrupts = <0 59 0>;
> + clock-rate = <100000>;
> + };
> + };
> +
> + aliases {
> + mix0 = &mix0;
> + mix1 = &mix1;
> + pip = &pip;
> + smi0 = &smi0;
> + smi1 = &smi1;
> + twsi0 = &twsi0;
> + twsi1 = &twsi1;
> + };
> + };
> diff --git a/arch/mips/cavium-octeon/octeon_68xx.dts b/arch/mips/cavium-octeon/octeon_68xx.dts
> new file mode 100644
> index 0000000..f2a8eab
> --- /dev/null
> +++ b/arch/mips/cavium-octeon/octeon_68xx.dts
> @@ -0,0 +1,116 @@
> +/dts-v1/;
> +/*
> + * OCTEON 68XX device tree skeleton.
> + */
> +/ {
> + model = "OCTEON";
> + compatible = "cavium,octeon-6880";
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + soc@0 {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges; /* Direct mapping */
> +
> + ciu2: interrupt-controller@...0100000000 {
> + compatible = "cavium,octeon-6880-ciu2";
> + interrupt-controller;
> + #address-cells = <0>;
> + #interrupt-cells = <2>;
> + reg = <0x10701 0x00000000 0x0 0x4000000>;
> + };
> +
> + smi0: mdio@...0000003800 {
> + compatible = "cavium,octeon-3860-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x11800 0x00003800 0x0 0x40>;
> +
> + phy0: ethernet-phy@0 {
> + reg = <0>;
> + device_type = "ethernet-phy";
> + };
> +
> + phy1: ethernet-phy@1 {
> + reg = <1>;
> + device_type = "ethernet-phy";
> + };
> +
> + phy3: ethernet-phy@3 {
> + reg = <3>;
> + device_type = "ethernet-phy";
> + };
> + };
> +
> + smi1: mdio@...0000003880 {
> + compatible = "cavium,octeon-3860-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x11800 0x00003880 0x0 0x40>;
> + };
> +
> + smi2: mdio@...0000003900 {
> + compatible = "cavium,octeon-3860-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x11800 0x00003900 0x0 0x40>;
> + };
> +
> + smi3: mdio@...0000003980 {
> + compatible = "cavium,octeon-3860-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x11800 0x00003980 0x0 0x40>;
> + };
> +
> + mix0: ethernet@...0000100000 {
> + compatible = "cavium,octeon-5750-mix";
> + device_type = "network";
> + reg = <0x10700 0x00100000 0x0 0x100>, /* MIX */
> + <0x11800 0xE0000000 0x0 0x300>, /* AGL */
> + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */
> + <0x11800 0xE0002000 0x0 0x8>; /* AGL_PRT_CTL */
> + cell-index = <0>;
> + interrupt-parent = <&ciu2>;
> + interrupts = <0 62>, <1 46>;
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-handle = <&phy0>;
> + };
> +
> + twsi0: i2c@...0000001000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "cavium,octeon-3860-twsi";
> + reg = <0x11800 0x00001000 0x0 0x200>;
> + interrupt-parent = <&ciu2>;
> + interrupts = <0 45>;
> + clock-rate = <100000>;
> +
> + rtc@68 {
> + compatible = "dallas,ds1337";
> + reg = <0x68>;
> + };
> + };
> +
> + twsi1: i2c@...0000001200 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "cavium,octeon-3860-twsi";
> + reg = <0x11800 0x00001200 0x0 0x200>;
> + interrupt-parent = <&ciu2>;
> + interrupts = <0 59>;
> + clock-rate = <100000>;
> + };
> + };
> + aliases {
> + mix0 = &mix0;
> + smi0 = &smi0;
> + smi1 = &smi1;
> + smi2 = &smi2;
> + smi3 = &smi3;
> + twsi0 = &twsi0;
> + twsi1 = &twsi1;
> + };
> + };
> --
> 1.7.2.3
>
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