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Subject[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850
Date
This patch adds support for the WM8750 (ARMv6) and WM8850 (ARMv7).

Common features across all SoCs are split into ARCH_VT8500 and
unique features are specified by each SoC option.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
---
Documentation/devicetree/bindings/arm/vt8500.txt | 8 ++++++
arch/arm/Kconfig | 17 +++++++----
arch/arm/mach-vt8500/Kconfig | 33 ++++++++++++++++++++--
arch/arm/mach-vt8500/vt8500.c | 2 ++
4 files changed, 51 insertions(+), 9 deletions(-)

diff --git a/Documentation/devicetree/bindings/arm/vt8500.txt b/Documentation/devicetree/bindings/arm/vt8500.txt
index d657832..87dc1dd 100644
--- a/Documentation/devicetree/bindings/arm/vt8500.txt
+++ b/Documentation/devicetree/bindings/arm/vt8500.txt
@@ -12,3 +12,11 @@ compatible = "wm,wm8505";
Boards with the Wondermedia WM8650 SoC shall have the following properties:
Required root node property:
compatible = "wm,wm8650";
+
+Boards with the Wondermedia WM8750 SoC shall have the following properties:
+Required root node property:
+compatible = "wm,wm8750";
+
+Boards with the Wondermedia WM8850 SoC shall have the following properties:
+Required root node property:
+compatible = "wm,wm8850";
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f95ba14..fbb9492 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -952,20 +952,25 @@ config ARCH_OMAP

config ARCH_VT8500_SINGLE
bool "VIA/WonderMedia 85xx"
- select ARCH_HAS_CPUFREQ
- select ARCH_REQUIRE_GPIOLIB
- select CLKDEV_LOOKUP
+ select ARCH_VT8500
select COMMON_CLK
select CPU_ARM926T
- select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
- select HAVE_CLK
select MULTI_IRQ_HANDLER
select SPARSE_IRQ
select USE_OF
help
Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.

+config ARCH_WM8750_SINGLE
+ bool "WonderMedia WM8750/WM8850"
+ select ARCH_VT8500
+ select COMMON_CLK
+ select MULTI_IRQ_HANDLER
+ select SPARSE_IRQ
+ select USE_OF
+ help
+ Support for WonderMedia WM8750/WM8850 System-on-Chip.
+
endchoice

menu "Multiple platform selection"
diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig
index 2ed0b7d..d67c7fa 100644
--- a/arch/arm/mach-vt8500/Kconfig
+++ b/arch/arm/mach-vt8500/Kconfig
@@ -1,12 +1,39 @@
config ARCH_VT8500
- bool "VIA/WonderMedia 85xx" if ARCH_MULTI_V5
- default ARCH_VT8500_SINGLE
+ bool
select ARCH_HAS_CPUFREQ
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
- select CPU_ARM926T
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
select HAVE_CLK
+
+config ARCH_WM8505
+ bool "VIA/WonderMedia 85xx" if !ARCH_VT8500_SINGLE
+ depends on ARCH_MULTI_V5
+ default ARCH_VT8500_SINGLE
+ select ARCH_VT8500
+ select CPU_ARM926T
help
Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
+
+config ARCH_WM8750
+ bool "WonderMedia WM8750"
+ depends on ARCH_MULTI_V6 || ARCH_WM8750_SINGLE
+ select ARCH_VT8500
+ select CPU_V6
+ help
+ Support for WonderMedia WM8750 System-on-Chip.
+
+config ARCH_WM8850
+ bool "WonderMedia WM8850"
+ depends on ARCH_MULTI_V7 || ARCH_WM8750_SINGLE
+ select ARCH_VT8500
+ select CPU_V7
+ help
+ Support for WonderMedia WM8850 System-on-Chip.
+
+# ensure that ARCH_WM8850 is on if ARCH_WM8750 is off
+config ARCH_WM8850_AUTO
+ def_bool y
+ depends on ARCH_WM8750_SINGLE && !ARCH_WM8750
+ select ARCH_WM8850
diff --git a/arch/arm/mach-vt8500/vt8500.c b/arch/arm/mach-vt8500/vt8500.c
index 3c66d48..55162ab 100644
--- a/arch/arm/mach-vt8500/vt8500.c
+++ b/arch/arm/mach-vt8500/vt8500.c
@@ -183,6 +183,8 @@ static const char * const vt8500_dt_compat[] = {
"via,vt8500",
"wm,wm8650",
"wm,wm8505",
+ "wm,wm8750",
+ "wm,wm8850",
};

DT_MACHINE_START(WMT_DT, "VIA/Wondermedia SoC (Device Tree Support)")
--
1.7.9.5


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