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ARM: msm: Add DT support for 8960 

Add basic support to boot 8960 with device tree. For now just
support a basic machine with a uart device.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
[davidb@codeaurora.org: Remove leading zeros]
Signed-off-by: David Brown <davidb@codeaurora.org>
This commit is contained in:
Stephen Boyd 2012-09-05 12:28:58 -07:00 committed by David Brown
parent 85a9f0f576
commit c446407c09
5 changed files with 93 additions and 0 deletions
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41
arch/arm/boot/dts/msm8960-cdp.dts Normal file
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@ -0,0 +1,41 @@
/dts-v1/;
/include/ "skeleton.dtsi"
/ {
model = "Qualcomm MSM8960 CDP";
compatible = "qcom,msm8960-cdp", "qcom,msm8960";
interrupt-parent = <&intc>;
intc: interrupt-controller@2000000 {
compatible = "qcom,msm-qgic2";
interrupt-controller;
#interrupt-cells = <3>;
reg = < 0x02000000 0x1000 >,
< 0x02002000 0x1000 >;
};
timer@200a004 {
compatible = "qcom,msm-gpt", "qcom,msm-timer";
interrupts = <1 2 0x301>;
reg = <0x0200a004 0x10>;
clock-frequency = <32768>;
cpu-offset = <0x80000>;
};
timer@200a024 {
compatible = "qcom,msm-dgt", "qcom,msm-timer";
interrupts = <1 1 0x301>;
reg = <0x0200a024 0x10>,
<0x0200a034 0x4>;
clock-frequency = <6750000>;
cpu-offset = <0x80000>;
};
serial@19c400000 {
compatible = "qcom,msm-hsuart", "qcom,msm-uart";
reg = <0x16440000 0x1000>,
<0x16400000 0x1000>;
interrupts = <0 154 0x0>;
};
};

1
arch/arm/mach-msm/Kconfig
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@ -56,6 +56,7 @@ config ARCH_MSM8960
select MSM_V2_TLMM
select MSM_GPIOMUX
select MSM_SCM if SMP
select USE_OF
endchoice

1
arch/arm/mach-msm/Makefile
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@ -27,6 +27,7 @@ obj-$(CONFIG_ARCH_MSM7X30) += board-msm7x30.o devices-msm7x30.o
obj-$(CONFIG_ARCH_QSD8X50) += board-qsd8x50.o devices-qsd8x50.o
obj-$(CONFIG_ARCH_MSM8X60) += board-dt-8660.o
obj-$(CONFIG_ARCH_MSM8960) += board-msm8960.o devices-msm8960.o
obj-$(CONFIG_ARCH_MSM8960) += board-dt-8960.o
obj-$(CONFIG_ARCH_MSM7X30) += gpiomux-v1.o gpiomux.o
obj-$(CONFIG_ARCH_QSD8X50) += gpiomux-8x50.o gpiomux-v1.o gpiomux.o

1
arch/arm/mach-msm/Makefile.boot
View File

@ -3,3 +3,4 @@ params_phys-y := 0x10000100
initrd_phys-y := 0x10800000
dtb-$(CONFIG_ARCH_MSM8X60) += msm8660-surf.dtb
dtb-$(CONFIG_ARCH_MSM8960) += msm8960-cdp.dtb

49
arch/arm/mach-msm/board-dt-8960.c Normal file
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@ -0,0 +1,49 @@
/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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 <linux/init.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
#include "common.h"
static const struct of_device_id msm_dt_gic_match[] __initconst = {
{ .compatible = "qcom,msm-qgic2", .data = gic_of_init },
{ }
};
static void __init msm_dt_init_irq(void)
{
of_irq_init(msm_dt_gic_match);
}
static void __init msm_dt_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
static const char * const msm8960_dt_match[] __initconst = {
"qcom,msm8960-cdp",
NULL
};
DT_MACHINE_START(MSM8960_DT, "Qualcomm MSM (Flattened Device Tree)")
.map_io = msm_map_msm8960_io,
.init_irq = msm_dt_init_irq,
.timer = &msm_dt_timer,
.init_machine = msm_dt_init,
.dt_compat = msm8960_dt_match,
.handle_irq = gic_handle_irq,
MACHINE_END