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>

5 files changed, 93 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/msm8960-cdp.dts b/arch/arm/boot/dts/msm8960-cdp.dts
new file mode 100644
index 000000000000..9e621b5ad3dd
--- /dev/null
+++ b/arch/arm/boot/dts/msm8960-cdp.dts
@@ -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>;
+        };
+};
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index cd7842794e4b..2e5a27ecbdce 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -56,6 +56,7 @@ config ARCH_MSM8960
         select MSM_V2_TLMM
         select MSM_GPIOMUX
         select MSM_SCM if SMP
+        select USE_OF
 
 endchoice
 
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index c4f5169a684d..bc2a3cc8ab8d 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -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
diff --git a/arch/arm/mach-msm/Makefile.boot b/arch/arm/mach-msm/Makefile.boot
index 8de06781c6df..f7d6ae9c3487 100644
--- a/arch/arm/mach-msm/Makefile.boot
+++ b/arch/arm/mach-msm/Makefile.boot
@@ -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
diff --git a/arch/arm/mach-msm/board-dt-8960.c b/arch/arm/mach-msm/board-dt-8960.c
new file mode 100644
index 000000000000..8df99b8f3c92
--- /dev/null
+++ b/arch/arm/mach-msm/board-dt-8960.c
@@ -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