[PATCH 1/2 RESEND] ARM: mxs: add initial device tree support for imx23-evk board
Shawn Guo
shawn.guo at linaro.org
Fri May 4 11:26:02 EDT 2012
It adds initial device tree support for imx23-evk board, and only
serial console is enabled.
Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
---
Resend to add missing dts files
Documentation/devicetree/bindings/arm/fsl.txt | 4 +
arch/arm/boot/dts/imx23-evk.dts | 22 +++
arch/arm/boot/dts/imx23.dtsi | 232 +++++++++++++++++++++++++
arch/arm/mach-mxs/Kconfig | 1 +
arch/arm/mach-mxs/clock-mx23.c | 2 +
arch/arm/mach-mxs/mach-mxs.c | 24 +++
6 files changed, 285 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/boot/dts/imx23-evk.dts
create mode 100644 arch/arm/boot/dts/imx23.dtsi
diff --git a/Documentation/devicetree/bindings/arm/fsl.txt b/Documentation/devicetree/bindings/arm/fsl.txt
index fecb580..1708df5 100644
--- a/Documentation/devicetree/bindings/arm/fsl.txt
+++ b/Documentation/devicetree/bindings/arm/fsl.txt
@@ -1,6 +1,10 @@
Freescale i.MX Platforms Device Tree Bindings
-----------------------------------------------
+i.MX23 Evaluation Kit
+Required root node properties:
+ - compatible = "fsl,imx23-evk", "fsl,imx23";
+
i.MX28 Evaluation Kit
Required root node properties:
- compatible = "fsl,imx28-evk", "fsl,imx28";
diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts
new file mode 100644
index 0000000..05fc530
--- /dev/null
+++ b/arch/arm/boot/dts/imx23-evk.dts
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * 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
+ */
+
+/dts-v1/;
+/include/ "imx23.dtsi"
+
+/ {
+ model = "Freescale i.MX23 Evaluation Kit";
+ compatible = "fsl,imx23-evk", "fsl,imx23";
+
+ memory {
+ reg = <0x40000000 0x08000000>;
+ };
+};
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
new file mode 100644
index 0000000..7761ed0
--- /dev/null
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -0,0 +1,232 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * 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/ "skeleton.dtsi"
+
+/ {
+ interrupt-parent = <&icoll>;
+
+ cpus {
+ cpu at 0 {
+ compatible = "arm,arm926ejs";
+ };
+ };
+
+ apb at 80000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x80000000 0x80000>;
+ ranges;
+
+ apbh at 80000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x80000000 0x40000>;
+ ranges;
+
+ icoll: interrupt-controller at 80000000 {
+ compatible = "fsl,imx23-icoll", "fsl,mxs-icoll";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ reg = <0x80000000 0x2000>;
+ };
+
+ dma-apbh at 80004000 {
+ reg = <0x80004000 2000>;
+ status = "disabled";
+ };
+
+ ecc at 80008000 {
+ reg = <0x80008000 2000>;
+ status = "disabled";
+ };
+
+ bch at 8000a000 {
+ reg = <0x8000a000 2000>;
+ status = "disabled";
+ };
+
+ gpmi at 8000c000 {
+ reg = <0x8000c000 2000>;
+ status = "disabled";
+ };
+
+ ssp1: ssp at 80010000 {
+ reg = <0x80010000 2000>;
+ status = "disabled";
+ };
+
+ etm at 80014000 {
+ reg = <0x80014000 2000>;
+ status = "disabled";
+ };
+
+ pinctrl at 80018000 {
+ reg = <0x80018000 2000>;
+ status = "disabled";
+ };
+
+ digctl at 8001c000 {
+ reg = <0x8001c000 2000>;
+ status = "disabled";
+ };
+
+ emi at 80020000 {
+ reg = <0x80020000 2000>;
+ status = "disabled";
+ };
+
+ dma-apbx at 80024000 {
+ reg = <0x80024000 2000>;
+ status = "disabled";
+ };
+
+ dcp at 80028000 {
+ reg = <0x80028000 2000>;
+ status = "disabled";
+ };
+
+ pxp at 8002a000 {
+ reg = <0x8002a000 2000>;
+ status = "disabled";
+ };
+
+ ocotp at 8002c000 {
+ reg = <0x8002c000 2000>;
+ status = "disabled";
+ };
+
+ axi-ahb at 8002e000 {
+ reg = <0x8002e000 2000>;
+ status = "disabled";
+ };
+
+ lcdif at 80030000 {
+ reg = <0x80030000 2000>;
+ status = "disabled";
+ };
+
+ ssp2: ssp at 80034000 {
+ reg = <0x80034000 2000>;
+ status = "disabled";
+ };
+
+ tvenc at 80038000 {
+ reg = <0x80038000 2000>;
+ status = "disabled";
+ };
+ };
+
+ apbx at 80040000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x80040000 0x40000>;
+ ranges;
+
+ clkctl at 80040000 {
+ reg = <0x80040000 2000>;
+ status = "disabled";
+ };
+
+ saif1: saif at 80042000 {
+ reg = <0x80042000 2000>;
+ status = "disabled";
+ };
+
+ power at 80044000 {
+ reg = <0x80044000 2000>;
+ status = "disabled";
+ };
+
+ saif2: saif at 80046000 {
+ reg = <0x80046000 2000>;
+ status = "disabled";
+ };
+
+ audio-out at 80048000 {
+ reg = <0x80048000 2000>;
+ status = "disabled";
+ };
+
+ audio-in at 8004c000 {
+ reg = <0x8004c000 2000>;
+ status = "disabled";
+ };
+
+ lradc at 80050000 {
+ reg = <0x80050000 2000>;
+ status = "disabled";
+ };
+
+ spdif at 80054000 {
+ reg = <0x80054000 2000>;
+ status = "disabled";
+ };
+
+ i2c at 80058000 {
+ reg = <0x80058000 2000>;
+ status = "disabled";
+ };
+
+ rtc at 8005c000 {
+ reg = <0x8005c000 2000>;
+ status = "disabled";
+ };
+
+ pwm at 80064000 {
+ reg = <0x80064000 2000>;
+ status = "disabled";
+ };
+
+ timrot at 80068000 {
+ reg = <0x80068000 2000>;
+ status = "disabled";
+ };
+
+ auart1: serial at 8006c000 {
+ reg = <0x8006c000 0x2000>;
+ status = "disabled";
+ };
+
+ auart2: serial at 8006e000 {
+ reg = <0x8006e000 0x2000>;
+ status = "disabled";
+ };
+
+ duart: serial at 80070000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x80070000 0x2000>;
+ interrupts = <0>;
+ };
+
+ usbphy at 8007c000 {
+ reg = <0x8007c000 0x2000>;
+ status = "disabled";
+ };
+ };
+ };
+
+ ahb at 80080000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x80080000 0x80000>;
+ ranges;
+
+ usbctrl at 80080000 {
+ reg = <0x80080000 0x10000>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 09fe0fb..a37cfc3 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -21,6 +21,7 @@ comment "MXS platforms:"
config MACH_MXS_DT
bool "Support MXS platforms from device tree"
+ select SOC_IMX23
select SOC_IMX28
select USE_OF
help
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index e3ac52c..23652df 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -440,6 +440,8 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
_REGISTER_CLOCK("imx23-gpmi-nand", NULL, gpmi_clk)
+ /* for DT */
+ _REGISTER_CLOCK("80070000.serial", NULL, uart_clk)
};
static int clk_misc_init(void)
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 5c5cba2..ae07c9d 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -37,6 +37,15 @@ static void __init mxs_dt_init_irq(void)
of_irq_init(mxs_irq_match);
}
+static void __init imx23_timer_init(void)
+{
+ mx23_clocks_init();
+}
+
+static struct sys_timer imx23_timer = {
+ .init = imx23_timer_init,
+};
+
static void __init imx28_timer_init(void)
{
mx28_clocks_init();
@@ -52,12 +61,27 @@ static void __init mxs_machine_init(void)
NULL, NULL);
}
+static const char *imx23_dt_compat[] __initdata = {
+ "fsl,imx23-evk",
+ "fsl,imx23",
+ NULL,
+};
+
static const char *imx28_dt_compat[] __initdata = {
"fsl,imx28-evk",
"fsl,imx28",
NULL,
};
+DT_MACHINE_START(IMX23, "Freescale i.MX23 (Device Tree)")
+ .map_io = mx23_map_io,
+ .init_irq = mxs_dt_init_irq,
+ .timer = &imx23_timer,
+ .init_machine = mxs_machine_init,
+ .dt_compat = imx23_dt_compat,
+ .restart = mxs_restart,
+MACHINE_END
+
DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)")
.map_io = mx28_map_io,
.init_irq = mxs_dt_init_irq,
--
1.7.5.4
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