sh: sh2a MTU2 platform data

This patch adds MTU2 platform data for the following cpus:
 - sh7201 (3/5 channels)
 - sh7203/sh7263 (2/4 channels)
 - sh7206 (3/5 channels)
 - MXG (3/5 channels)

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index 0836acee228..3448164b573 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -12,6 +12,7 @@
 #include <linux/serial.h>
 #include <linux/serial_sci.h>
 #include <linux/sh_cmt.h>
+#include <linux/sh_mtu2.h>
 #include <linux/io.h>
 
 enum {
@@ -271,6 +272,68 @@ static struct platform_device cmt1_device = {
 	.num_resources	= ARRAY_SIZE(cmt1_resources),
 };
 
+static struct sh_mtu2_config mtu2_0_platform_data = {
+	.name = "MTU2_0",
+	.channel_offset = -0x80,
+	.timer_bit = 0,
+	.clk = "module_clk",
+	.clockevent_rating = 200,
+};
+
+static struct resource mtu2_0_resources[] = {
+	[0] = {
+		.name	= "MTU2_0",
+		.start	= 0xfffe4300,
+		.end	= 0xfffe4326,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 146,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device mtu2_0_device = {
+	.name		= "sh_mtu2",
+	.id		= 0,
+	.dev = {
+		.platform_data	= &mtu2_0_platform_data,
+	},
+	.resource	= mtu2_0_resources,
+	.num_resources	= ARRAY_SIZE(mtu2_0_resources),
+};
+
+static struct sh_mtu2_config mtu2_1_platform_data = {
+	.name = "MTU2_1",
+	.channel_offset = -0x100,
+	.timer_bit = 1,
+	.clk = "module_clk",
+	.clockevent_rating = 200,
+};
+
+static struct resource mtu2_1_resources[] = {
+	[0] = {
+		.name	= "MTU2_1",
+		.start	= 0xfffe4380,
+		.end	= 0xfffe4390,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 153,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device mtu2_1_device = {
+	.name		= "sh_mtu2",
+	.id		= 1,
+	.dev = {
+		.platform_data	= &mtu2_1_platform_data,
+	},
+	.resource	= mtu2_1_resources,
+	.num_resources	= ARRAY_SIZE(mtu2_1_resources),
+};
+
 static struct resource rtc_resources[] = {
 	[0] = {
 		.start	= 0xffff2000,
@@ -295,6 +358,8 @@ static struct platform_device *sh7203_devices[] __initdata = {
 	&sci_device,
 	&cmt0_device,
 	&cmt1_device,
+	&mtu2_0_device,
+	&mtu2_1_device,
 	&rtc_device,
 };
 
@@ -313,8 +378,11 @@ void __init plat_irq_setup(void)
 static struct platform_device *sh7203_early_devices[] __initdata = {
 	&cmt0_device,
 	&cmt1_device,
+	&mtu2_0_device,
+	&mtu2_1_device,
 };
 
+#define STBCR3 0xfffe0408
 #define STBCR4 0xfffe040c
 
 void __init plat_early_device_setup(void)
@@ -322,6 +390,9 @@ void __init plat_early_device_setup(void)
 	/* enable CMT clock */
 	__raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
 
+	/* enable MTU2 clock */
+	__raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
+
 	early_platform_add_devices(sh7203_early_devices,
 				   ARRAY_SIZE(sh7203_early_devices));
 }