ARM: mxs: add initial device tree support for imx28-evk board
This patch includes basic dt support which can boot via nfs rootfs. Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Dong Aisheng
Shawn Guo
Родитель
844d0b5a0b
Коммит
bc3a59c1b7
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@ -1,6 +1,10 @@
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Freescale i.MX Platforms Device Tree Bindings
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-----------------------------------------------
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i.MX28 Evaluation Kit
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Required root node properties:
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- compatible = "fsl,imx28-evk", "fsl,imx28";
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i.MX51 Babbage Board
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Required root node properties:
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- compatible = "fsl,imx51-babbage", "fsl,imx51";
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@ -0,0 +1,48 @@
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/*
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* Copyright 2012 Freescale Semiconductor, Inc.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/dts-v1/;
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/include/ "imx28.dtsi"
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/ {
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model = "Freescale i.MX28 Evaluation Kit";
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compatible = "fsl,imx28-evk", "fsl,imx28";
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memory {
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reg = <0x40000000 0x08000000>;
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};
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apb@80000000 {
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apbx@80040000 {
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duart: serial@80074000 {
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pinctrl-names = "default";
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pinctrl-0 = <&duart_pins_a>;
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status = "okay";
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};
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};
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};
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ahb@80080000 {
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mac0: ethernet@800f0000 {
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phy-mode = "rmii";
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pinctrl-names = "default";
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pinctrl-0 = <&mac0_pins_a>;
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status = "okay";
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};
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mac1: ethernet@800f4000 {
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phy-mode = "rmii";
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pinctrl-names = "default";
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pinctrl-0 = <&mac1_pins_a>;
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status = "okay";
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};
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};
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};
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@ -0,0 +1,382 @@
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/*
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* Copyright 2012 Freescale Semiconductor, Inc.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/include/ "skeleton.dtsi"
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/ {
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interrupt-parent = <&icoll>;
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cpus {
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cpu@0 {
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compatible = "arm,arm926ejs";
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};
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};
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apb@80000000 {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x80000000 0x80000>;
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ranges;
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apbh@80000000 {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x80000000 0x3c900>;
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ranges;
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icoll: interrupt-controller@80000000 {
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compatible = "fsl,imx28-icoll", "fsl,mxs-icoll";
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interrupt-controller;
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#interrupt-cells = <1>;
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reg = <0x80000000 0x2000>;
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};
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hsadc@80002000 {
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reg = <0x80002000 2000>;
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interrupts = <13 87>;
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status = "disabled";
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};
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dma-apbh@80004000 {
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reg = <0x80004000 2000>;
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status = "disabled";
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};
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perfmon@80006000 {
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reg = <0x80006000 800>;
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interrupts = <27>;
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status = "disabled";
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};
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bch@8000a000 {
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reg = <0x8000a000 2000>;
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interrupts = <41>;
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status = "disabled";
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};
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gpmi@8000c000 {
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reg = <0x8000c000 2000>;
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interrupts = <42 88>;
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status = "disabled";
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};
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ssp0: ssp@80010000 {
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reg = <0x80010000 2000>;
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interrupts = <96 82>;
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status = "disabled";
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};
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ssp1: ssp@80012000 {
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reg = <0x80012000 2000>;
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interrupts = <97 83>;
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status = "disabled";
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};
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ssp2: ssp@80014000 {
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reg = <0x80014000 2000>;
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interrupts = <98 84>;
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status = "disabled";
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};
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ssp3: ssp@80016000 {
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reg = <0x80016000 2000>;
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interrupts = <99 85>;
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status = "disabled";
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};
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pinctrl@80018000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "fsl,imx28-pinctrl";
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reg = <0x80018000 2000>;
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duart_pins_a: duart@0 {
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reg = <0>;
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fsl,pinmux-ids = <0x3102 0x3112>;
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fsl,drive-strength = <0>;
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fsl,voltage = <1>;
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fsl,pull-up = <0>;
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};
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mac0_pins_a: mac0@0 {
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reg = <0>;
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fsl,pinmux-ids = <0x4000 0x4010 0x4020
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0x4030 0x4040 0x4060 0x4070
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0x4080 0x4100>;
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fsl,drive-strength = <1>;
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fsl,voltage = <1>;
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fsl,pull-up = <1>;
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};
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mac1_pins_a: mac1@0 {
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reg = <0>;
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fsl,pinmux-ids = <0x40f1 0x4091 0x40a1
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0x40e1 0x40b1 0x40c1>;
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fsl,drive-strength = <1>;
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fsl,voltage = <1>;
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fsl,pull-up = <1>;
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};
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};
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digctl@8001c000 {
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reg = <0x8001c000 2000>;
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interrupts = <89>;
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status = "disabled";
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};
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etm@80022000 {
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reg = <0x80022000 2000>;
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status = "disabled";
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};
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dma-apbx@80024000 {
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reg = <0x80024000 2000>;
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status = "disabled";
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};
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dcp@80028000 {
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reg = <0x80028000 2000>;
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interrupts = <52 53 54>;
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status = "disabled";
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};
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pxp@8002a000 {
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reg = <0x8002a000 2000>;
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interrupts = <39>;
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status = "disabled";
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};
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ocotp@8002c000 {
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reg = <0x8002c000 2000>;
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status = "disabled";
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};
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axi-ahb@8002e000 {
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reg = <0x8002e000 2000>;
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status = "disabled";
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};
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lcdif@80030000 {
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reg = <0x80030000 2000>;
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interrupts = <38 86>;
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status = "disabled";
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};
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can0: can@80032000 {
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reg = <0x80032000 2000>;
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interrupts = <8>;
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status = "disabled";
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};
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can1: can@80034000 {
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reg = <0x80034000 2000>;
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interrupts = <9>;
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status = "disabled";
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};
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simdbg@8003c000 {
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reg = <0x8003c000 200>;
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status = "disabled";
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};
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simgpmisel@8003c200 {
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reg = <0x8003c200 100>;
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status = "disabled";
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};
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simsspsel@8003c300 {
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reg = <0x8003c300 100>;
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status = "disabled";
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};
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simmemsel@8003c400 {
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reg = <0x8003c400 100>;
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status = "disabled";
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};
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gpiomon@8003c500 {
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reg = <0x8003c500 100>;
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status = "disabled";
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};
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simenet@8003c700 {
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reg = <0x8003c700 100>;
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status = "disabled";
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};
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armjtag@8003c800 {
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reg = <0x8003c800 100>;
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status = "disabled";
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};
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};
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apbx@80040000 {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x80040000 0x40000>;
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ranges;
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clkctl@80040000 {
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reg = <0x80040000 2000>;
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status = "disabled";
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};
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saif0: saif@80042000 {
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reg = <0x80042000 2000>;
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interrupts = <59 80>;
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status = "disabled";
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};
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power@80044000 {
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reg = <0x80044000 2000>;
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status = "disabled";
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};
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saif1: saif@80046000 {
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reg = <0x80046000 2000>;
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interrupts = <58 81>;
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status = "disabled";
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};
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lradc@80050000 {
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reg = <0x80050000 2000>;
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status = "disabled";
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};
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spdif@80054000 {
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reg = <0x80054000 2000>;
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interrupts = <45 66>;
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status = "disabled";
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};
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rtc@80056000 {
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reg = <0x80056000 2000>;
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interrupts = <28 29>;
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status = "disabled";
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};
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i2c0: i2c@80058000 {
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reg = <0x80058000 2000>;
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interrupts = <111 68>;
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status = "disabled";
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};
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i2c1: i2c@8005a000 {
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reg = <0x8005a000 2000>;
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interrupts = <110 69>;
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status = "disabled";
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};
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pwm@80064000 {
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reg = <0x80064000 2000>;
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status = "disabled";
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};
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timrot@80068000 {
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reg = <0x80068000 2000>;
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status = "disabled";
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};
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auart0: serial@8006a000 {
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reg = <0x8006a000 0x2000>;
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interrupts = <112 70 71>;
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status = "disabled";
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};
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auart1: serial@8006c000 {
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reg = <0x8006c000 0x2000>;
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interrupts = <113 72 73>;
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status = "disabled";
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};
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auart2: serial@8006e000 {
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reg = <0x8006e000 0x2000>;
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interrupts = <114 74 75>;
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status = "disabled";
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};
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auart3: serial@80070000 {
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reg = <0x80070000 0x2000>;
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interrupts = <115 76 77>;
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status = "disabled";
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};
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auart4: serial@80072000 {
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reg = <0x80072000 0x2000>;
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interrupts = <116 78 79>;
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status = "disabled";
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};
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duart: serial@80074000 {
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compatible = "arm,pl011", "arm,primecell";
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reg = <0x80074000 0x1000>;
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interrupts = <47>;
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status = "disabled";
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};
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usbphy0: usbphy@8007c000 {
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reg = <0x8007c000 0x2000>;
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status = "disabled";
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};
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usbphy1: usbphy@8007e000 {
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reg = <0x8007e000 0x2000>;
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status = "disabled";
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};
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};
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};
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ahb@80080000 {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x80080000 0x80000>;
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ranges;
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usbctrl0: usbctrl@80080000 {
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reg = <0x80080000 0x10000>;
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status = "disabled";
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};
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usbctrl1: usbctrl@80090000 {
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reg = <0x80090000 0x10000>;
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status = "disabled";
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};
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dflpt@800c0000 {
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reg = <0x800c0000 0x10000>;
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status = "disabled";
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||||
};
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mac0: ethernet@800f0000 {
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compatible = "fsl,imx28-fec";
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reg = <0x800f0000 0x4000>;
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interrupts = <101>;
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status = "disabled";
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||||
};
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||||
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||||
mac1: ethernet@800f4000 {
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||||
compatible = "fsl,imx28-fec";
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||||
reg = <0x800f4000 0x4000>;
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||||
interrupts = <102>;
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||||
status = "disabled";
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||||
};
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||||
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||||
switch@800f8000 {
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||||
reg = <0x800f8000 0x8000>;
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||||
status = "disabled";
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||||
};
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||||
|
||||
};
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||||
};
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@ -7,18 +7,28 @@ config MXS_OCOTP
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|||
|
||||
config SOC_IMX23
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bool
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||||
select ARM_AMBA
|
||||
select CPU_ARM926T
|
||||
select HAVE_PWM
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||||
select PINCTRL_IMX23
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||||
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||||
config SOC_IMX28
|
||||
bool
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||||
select ARM_AMBA
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||||
select CPU_ARM926T
|
||||
select HAVE_PWM
|
||||
select PINCTRL_IMX28
|
||||
|
||||
comment "MXS platforms:"
|
||||
|
||||
config MACH_MXS_DT
|
||||
bool "Support MXS platforms from device tree"
|
||||
select SOC_IMX28
|
||||
select USE_OF
|
||||
help
|
||||
Include support for Freescale MXS platforms(i.MX23 and i.MX28)
|
||||
using the device tree for discovery
|
||||
|
||||
config MACH_STMP378X_DEVB
|
||||
bool "Support STMP378x_devb Platform"
|
||||
select SOC_IMX23
|
||||
|
|
|
|||
|
|
@ -4,6 +4,7 @@ obj-y := devices.o icoll.o iomux.o system.o timer.o mm.o
|
|||
obj-$(CONFIG_MXS_OCOTP) += ocotp.o
|
||||
obj-$(CONFIG_PM) += pm.o
|
||||
|
||||
obj-$(CONFIG_MACH_MXS_DT) += mach-mxs.o
|
||||
obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o
|
||||
obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o
|
||||
obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o
|
||||
|
|
|
|||
|
|
@ -1,6 +1,5 @@
|
|||
config MXS_HAVE_AMBA_DUART
|
||||
bool
|
||||
select ARM_AMBA
|
||||
|
||||
config MXS_HAVE_PLATFORM_AUART
|
||||
bool
|
||||
|
|
|
|||
|
|
@ -0,0 +1,85 @@
|
|||
/*
|
||||
* Copyright 2012 Freescale Semiconductor, Inc.
|
||||
* Copyright 2012 Linaro Ltd.
|
||||
*
|
||||
* The code contained herein is licensed under the GNU General Public
|
||||
* License. You may obtain a copy of the GNU General Public License
|
||||
* Version 2 or later at the following locations:
|
||||
*
|
||||
* http://www.opensource.org/licenses/gpl-license.html
|
||||
* http://www.gnu.org/copyleft/gpl.html
|
||||
*/
|
||||
|
||||
#include <linux/clk.h>
|
||||
#include <linux/clkdev.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/irqdomain.h>
|
||||
#include <linux/of_irq.h>
|
||||
#include <linux/of_platform.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/time.h>
|
||||
#include <mach/common.h>
|
||||
|
||||
static int __init mxs_icoll_add_irq_domain(struct device_node *np,
|
||||
struct device_node *interrupt_parent)
|
||||
{
|
||||
irq_domain_add_legacy(np, 128, 0, 0, &irq_domain_simple_ops, NULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id mxs_irq_match[] __initconst = {
|
||||
{ .compatible = "fsl,mxs-icoll", .data = mxs_icoll_add_irq_domain, },
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
|
||||
static void __init mxs_dt_init_irq(void)
|
||||
{
|
||||
icoll_init_irq();
|
||||
of_irq_init(mxs_irq_match);
|
||||
}
|
||||
|
||||
static void __init imx28_timer_init(void)
|
||||
{
|
||||
mx28_clocks_init();
|
||||
}
|
||||
|
||||
static struct sys_timer imx28_timer = {
|
||||
.init = imx28_timer_init,
|
||||
};
|
||||
|
||||
static void __init imx28_evk_init(void)
|
||||
{
|
||||
struct clk *clk;
|
||||
|
||||
/* Enable fec phy clock */
|
||||
clk = clk_get_sys("enet_out", NULL);
|
||||
if (!IS_ERR(clk))
|
||||
clk_prepare_enable(clk);
|
||||
}
|
||||
|
||||
static void __init mxs_machine_init(void)
|
||||
{
|
||||
if (of_machine_is_compatible("fsl,imx28-evk"))
|
||||
imx28_evk_init();
|
||||
|
||||
of_platform_populate(NULL, of_default_bus_match_table,
|
||||
NULL, NULL);
|
||||
}
|
||||
|
||||
static const char *imx28_dt_compat[] __initdata = {
|
||||
"fsl,imx28-evk",
|
||||
"fsl,imx28",
|
||||
NULL,
|
||||
};
|
||||
|
||||
DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)")
|
||||
.map_io = mx28_map_io,
|
||||
.init_irq = mxs_dt_init_irq,
|
||||
.timer = &imx28_timer,
|
||||
.init_machine = mxs_machine_init,
|
||||
.dt_compat = imx28_dt_compat,
|
||||
.restart = mxs_restart,
|
||||
MACHINE_END
|
||||
|
|
@ -142,6 +142,7 @@ static struct clk_lookup hbus_lookups[] __initdata = {
|
|||
|
||||
static struct clk_lookup xbus_lookups[] __initdata = {
|
||||
{ .dev_id = "duart", .con_id = "apb_pclk"},
|
||||
{ .dev_id = "80074000.serial", .con_id = "apb_pclk"},
|
||||
{ .dev_id = "mxs-dma-apbx", },
|
||||
{ .dev_id = "80024000.dma-apbx", },
|
||||
};
|
||||
|
|
|
|||
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