[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 e201aa9765b..cd506646801 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 4e9a699ee42..2df1b56615b 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 4a1fbcfccc3..5d8cc1d9cb1 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);