[ARM] 3149/1: SharpSL: Add Akita (SL-C1000) machine support

Patch from Richard Purdie

Add the core machine support for the Sharp SL-C1000 (Akita)
and enable the Kconfig selection for it.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 57 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index e201aa9765b9..cd506646801a 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -72,6 +72,12 @@ config MACH_HUSKY
         depends PXA_SHARPSL_25x
         select PXA_SHARP_C7xx
 
+config MACH_AKITA
+        bool "Enable Sharp SL-1000 (Akita) Support"
+        depends PXA_SHARPSL_27x
+        select PXA_SHARP_Cxx00
+        select MACH_SPITZ
+
 config MACH_SPITZ
         bool "Enable Sharp Zaurus SL-3000 (Spitz) Support"
         depends PXA_SHARPSL_27x
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 4e9a699ee428..2df1b56615b1 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -345,6 +345,16 @@ static void spitz_irda_transceiver_mode(struct device *dev, int mode)
                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 }
 
+#ifdef CONFIG_MACH_AKITA
+static void akita_irda_transceiver_mode(struct device *dev, int mode)
+{
+        if (mode & IR_OFF)
+                akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
+        else
+                akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
+}
+#endif
+
 static struct pxaficp_platform_data spitz_ficp_platform_data = {
         .transceiver_cap  = IR_SIRMODE | IR_OFF,
         .transceiver_mode = spitz_irda_transceiver_mode,
@@ -417,6 +427,32 @@ static void __init spitz_init(void)
         platform_device_register(&spitzscoop2_device);
 }
 
+#ifdef CONFIG_MACH_AKITA
+/*
+ * Akita IO Expander
+ */
+struct platform_device akitaioexp_device = {
+        .name           = "akita-ioexp",
+        .id             = -1,
+};
+
+static void __init akita_init(void)
+{
+        spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
+
+        /* We just pretend the second element of the array doesn't exist */
+        spitz_pcmcia_config.num_devs = 1;
+        platform_scoop_config = &spitz_pcmcia_config;
+        spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity;
+
+        platform_device_register(&akitaioexp_device);
+
+        spitzscoop_device.dev.parent = &akitaioexp_device.dev;
+        common_init();
+}
+#endif
+
+
 static void __init fixup_spitz(struct machine_desc *desc,
                 struct tag *tags, char **cmdline, struct meminfo *mi)
 {
@@ -452,3 +488,16 @@ MACHINE_START(BORZOI, "SHARP Borzoi")
         .timer          = &pxa_timer,
 MACHINE_END
 #endif
+
+#ifdef CONFIG_MACH_AKITA
+MACHINE_START(AKITA, "SHARP Akita")
+        .phys_ram       = 0xa0000000,
+        .phys_io        = 0x40000000,
+        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+        .fixup          = fixup_spitz,
+        .map_io         = pxa_map_io,
+        .init_irq       = pxa_init_irq,
+        .init_machine   = akita_init,
+        .timer          = &pxa_timer,
+MACHINE_END
+#endif
diff --git a/include/asm-arm/arch-pxa/akita.h b/include/asm-arm/arch-pxa/akita.h
index 4a1fbcfccc39..5d8cc1d9cb10 100644
--- a/include/asm-arm/arch-pxa/akita.h
+++ b/include/asm-arm/arch-pxa/akita.h
@@ -25,6 +25,8 @@
 /* Default Values */
 #define AKITA_IOEXP_IO_OUT      (AKITA_IOEXP_IR_ON | AKITA_IOEXP_AKIN_PULLUP)
 
+extern struct platform_device akitaioexp_device;
+
 void akita_set_ioexp(struct device *dev, unsigned char bitmask);
 void akita_reset_ioexp(struct device *dev, unsigned char bitmask);