Hi,Will do.
Some comments below.
On Fri, Sep 06, 2013 at 12:32:22PM -0700, Rohit Vaswani wrote:This patch adds basic board support for APQ8074 DragonboardPlease add boards alphabetically.
<snip>
dtb-$(CONFIG_ARCH_MSM) += msm8660-surf.dtb \
- msm8960-cdp.dtb
+ msm8960-cdp.dtb \
+ apq8074-dragonboard.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \arch/arm/boot/dts/ is getting really crowded. It's been working best if the SoC
armada-370-mirabox.dtb \
armada-370-rd.dtb \
diff --git a/arch/arm/boot/dts/apq8074-dragonboard.dts b/arch/arm/boot/dts/apq8074-dragonboard.dts
new file mode 100644
index 0000000..5b7b6a0
--- /dev/null
+++ b/arch/arm/boot/dts/apq8074-dragonboard.dts
family or vendor is used as a prefix to keep things a bit more organized. In
that spirit, prefixing these with msm-<foo> makes sense. Can you please do so?
@@ -0,0 +1,6 @@Ok, I'm all for merging a early minimal dts file, but things like memory and
+/include/ "msm8974.dtsi"
+
+/ {
+ model = "Qualcomm APQ8074 Dragonboard";
+ compatible = "qcom,apq8074-dragonboard", "qcom,apq8074";
+};
a default bootargs tend to make sense.
diff --git a/arch/arm/boot/dts/msm8974.dtsi b/arch/arm/boot/dts/msm8974.dtsithe board uses "qcom,apq8074" and this overrides this. Which way is it?
new file mode 100644
index 0000000..f04b643
--- /dev/null
+++ b/arch/arm/boot/dts/msm8974.dtsi
@@ -0,0 +1,35 @@
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+
+/ {
+ model = "Qualcomm MSM8974";
+ compatible = "qcom,msm8974";
+ interrupt-parent = <&intc>;For files that include this it's ok to use the &phandle syntax, but in this
+
+ soc: soc { };
base dtsi, please use proper structure. In other words, move the contents of
the soc node up above instead.
+};It'd make a lot of sense to include at least cpu nodes here as well, and
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ compatible = "simple-bus";
+
+ intc: interrupt-controller@f9000000 {
+ compatible = "qcom,msm-qgic2";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0xf9000000 0x1000>,
+ <0xf9002000 0x1000>;
+ };
+
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <1 2 0xf08>,
+ <1 3 0xf08>,
+ <1 4 0xf08>,
+ <1 1 0xf08>;
+ clock-frequency = <19200000>;
+ };
+};
ideally basics for the drivers you have already merged, such as uarts.
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/KconfigThis has nothing to do with adding support for dragonboard. Please break
index 905efc8..499e8fe 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -1,12 +1,12 @@
if ARCH_MSM
comment "Qualcomm MSM SoC Type"
- depends on (ARCH_MSM8X60 || ARCH_MSM8960)
+ depends on ARCH_MSM_DT
choice
prompt "Qualcomm MSM SoC Type"
default ARCH_MSM7X00A
- depends on !(ARCH_MSM8X60 || ARCH_MSM8960)
+ depends on !ARCH_MSM_DT
out the cleanup separately.
I'm not sure what the purpose of ARCH_MSM_DT is either, it just looks to
complicate matter here?
+config ARCH_MSM8974
+ bool "MSM8974"
+ select ARM_GIC
+ select CPU_V7
+ select HAVE_ARM_ARCH_TIMER
+ select HAVE_SMP
+ select MSM_SCM if SMP
+ select USE_OF
+
+config ARCH_MSM_DT
+ def_bool y
+ depends on (ARCH_MSM8X60 || ARCH_MSM8960 || ARCH_MSM8974)
+
config MSM_HAS_DEBUG_UART_HS
bool
@@ -68,6 +81,7 @@ config MSM_SOC_REV_A
config ARCH_MSM_ARM11
bool
+
config ARCH_MSM_SCORPION
bool
@@ -75,6 +89,7 @@ config MSM_VIC
bool
menu "Qualcomm MSM Board Type"
+ depends on !ARCH_MSM_DT
config MACH_HALIBUT
depends on ARCH_MSM
@@ -122,6 +137,7 @@ config MSM_SMD
config MSM_GPIOMUX
bool
+ depends on !ARCH_MSM_DT
help
Support for MSM V1 TLMM GPIOMUX architecture.
All of the above should be in a separate patch and motivated.
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/MakefileThis file should be shared across SoCs. You should avoid adding a new dt board
index d257ff4..80e3b15 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -29,5 +29,6 @@ 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-dt-8960.o
+obj-$(CONFIG_ARCH_MSM8974) += board-dt-8974.o
obj-$(CONFIG_MSM_GPIOMUX) += gpiomux.o
obj-$(CONFIG_ARCH_QSD8X50) += gpiomux-8x50.o
diff --git a/arch/arm/mach-msm/board-dt-8974.c b/arch/arm/mach-msm/board-dt-8974.c
new file mode 100644
index 0000000..01ed8d0
--- /dev/null
+++ b/arch/arm/mach-msm/board-dt-8974.c
@@ -0,0 +1,24 @@
+/* Copyright (c) 2013, 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/of_platform.h>
+#include <asm/mach/arch.h>
+
+static const char * const msm8974_dt_match[] __initconst = {
+ "qcom,msm8974",
+ "qcom,apq8074",
+ NULL
+};
+
+DT_MACHINE_START(MSM8974_DT, "Qualcomm MSM (Flattened Device Tree)")
+ .dt_compat = msm8974_dt_match,
+MACHINE_END
file for every SoC like this.
-Olof