sh: TMU platform data for sh775x

This patch adds TMU platform data for sh775x. Both clockevent
and clocksource support is enabled.

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

1 files changed, 187 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index a1c80d909cd6..09da0c187d4c 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
+#include <linux/sh_timer.h>
 #include <linux/serial_sci.h>
 
 static struct resource rtc_resources[] = {
@@ -60,9 +61,177 @@ static struct platform_device sci_device = {
         },
 };
 
+static struct sh_timer_config tmu0_platform_data = {
+        .name = "TMU0",
+        .channel_offset = 0x04,
+        .timer_bit = 0,
+        .clk = "module_clk",
+        .clockevent_rating = 200,
+};
+
+static struct resource tmu0_resources[] = {
+        [0] = {
+                .name   = "TMU0",
+                .start  = 0xffd80008,
+                .end    = 0xffd80013,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 16,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device tmu0_device = {
+        .name           = "sh_tmu",
+        .id             = 0,
+        .dev = {
+                .platform_data  = &tmu0_platform_data,
+        },
+        .resource       = tmu0_resources,
+        .num_resources  = ARRAY_SIZE(tmu0_resources),
+};
+
+static struct sh_timer_config tmu1_platform_data = {
+        .name = "TMU1",
+        .channel_offset = 0x10,
+        .timer_bit = 1,
+        .clk = "module_clk",
+        .clocksource_rating = 200,
+};
+
+static struct resource tmu1_resources[] = {
+        [0] = {
+                .name   = "TMU1",
+                .start  = 0xffd80014,
+                .end    = 0xffd8001f,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 17,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device tmu1_device = {
+        .name           = "sh_tmu",
+        .id             = 1,
+        .dev = {
+                .platform_data  = &tmu1_platform_data,
+        },
+        .resource       = tmu1_resources,
+        .num_resources  = ARRAY_SIZE(tmu1_resources),
+};
+
+static struct sh_timer_config tmu2_platform_data = {
+        .name = "TMU2",
+        .channel_offset = 0x1c,
+        .timer_bit = 2,
+        .clk = "module_clk",
+};
+
+static struct resource tmu2_resources[] = {
+        [0] = {
+                .name   = "TMU2",
+                .start  = 0xffd80020,
+                .end    = 0xffd8002f,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 18,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device tmu2_device = {
+        .name           = "sh_tmu",
+        .id             = 2,
+        .dev = {
+                .platform_data  = &tmu2_platform_data,
+        },
+        .resource       = tmu2_resources,
+        .num_resources  = ARRAY_SIZE(tmu2_resources),
+};
+
+/* SH7750R, SH7751 and SH7751R all have two extra timer channels */
+#if defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
+        defined(CONFIG_CPU_SUBTYPE_SH7751) || \
+        defined(CONFIG_CPU_SUBTYPE_SH7751R)
+
+static struct sh_timer_config tmu3_platform_data = {
+        .name = "TMU3",
+        .channel_offset = 0x04,
+        .timer_bit = 0,
+        .clk = "module_clk",
+};
+
+static struct resource tmu3_resources[] = {
+        [0] = {
+                .name   = "TMU3",
+                .start  = 0xfe100008,
+                .end    = 0xfe100013,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 72,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device tmu3_device = {
+        .name           = "sh_tmu",
+        .id             = 3,
+        .dev = {
+                .platform_data  = &tmu3_platform_data,
+        },
+        .resource       = tmu3_resources,
+        .num_resources  = ARRAY_SIZE(tmu3_resources),
+};
+
+static struct sh_timer_config tmu4_platform_data = {
+        .name = "TMU4",
+        .channel_offset = 0x10,
+        .timer_bit = 1,
+        .clk = "module_clk",
+};
+
+static struct resource tmu4_resources[] = {
+        [0] = {
+                .name   = "TMU4",
+                .start  = 0xfe100014,
+                .end    = 0xfe10001f,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 76,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device tmu4_device = {
+        .name           = "sh_tmu",
+        .id             = 4,
+        .dev = {
+                .platform_data  = &tmu4_platform_data,
+        },
+        .resource       = tmu4_resources,
+        .num_resources  = ARRAY_SIZE(tmu4_resources),
+};
+
+#endif
+
 static struct platform_device *sh7750_devices[] __initdata = {
         &rtc_device,
         &sci_device,
+        &tmu0_device,
+        &tmu1_device,
+        &tmu2_device,
+#if defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
+        defined(CONFIG_CPU_SUBTYPE_SH7751) || \
+        defined(CONFIG_CPU_SUBTYPE_SH7751R)
+        &tmu3_device,
+        &tmu4_device,
+#endif
 };
 
 static int __init sh7750_devices_setup(void)
@@ -72,6 +241,24 @@ static int __init sh7750_devices_setup(void)
 }
 __initcall(sh7750_devices_setup);
 
+static struct platform_device *sh7750_early_devices[] __initdata = {
+        &tmu0_device,
+        &tmu1_device,
+        &tmu2_device,
+#if defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
+        defined(CONFIG_CPU_SUBTYPE_SH7751) || \
+        defined(CONFIG_CPU_SUBTYPE_SH7751R)
+        &tmu3_device,
+        &tmu4_device,
+#endif
+};
+
+void __init plat_early_device_setup(void)
+{
+        early_platform_add_devices(sh7750_early_devices,
+                                   ARRAY_SIZE(sh7750_early_devices));
+}
+
 enum {
         UNUSED = 0,