sh: TMU platform data for sh7722

This patch adds TMU platform data for sh7722. Only clockevent
mode is enabled for now, clocksource requires this patch:
"clocksource: setup mult_orig in clocksource_enable()"

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

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 1f74737..c3e9455 100644 (file)
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -423,6 +423,7 @@ config CPU_SUBTYPE_SH7722
        select ARCH_SPARSEMEM_ENABLE
        select SYS_SUPPORTS_NUMA
        select SYS_SUPPORTS_CMT
+       select SYS_SUPPORTS_TMU
 
 config CPU_SUBTYPE_SH7366
        bool "Support SH7366 processor"

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 793c50d..512735c 100644 (file)
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -14,6 +14,7 @@
 #include <linux/mm.h>
 #include <linux/uio_driver.h>
 #include <linux/sh_cmt.h>
+#include <linux/sh_tmu.h>
 #include <asm/clock.h>
 #include <asm/mmzone.h>
 
@@ -209,6 +210,98 @@ static struct platform_device cmt_device = {
        .num_resources  = ARRAY_SIZE(cmt_resources),
 };
 
+static struct sh_tmu_config tmu0_platform_data = {
+       .name = "TMU0",
+       .channel_offset = 0x04,
+       .timer_bit = 0,
+       .clk = "tmu0",
+       .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_tmu_config tmu1_platform_data = {
+       .name = "TMU1",
+       .channel_offset = 0x10,
+       .timer_bit = 1,
+       .clk = "tmu0",
+       .clocksource_rating = 0, /* disabled for now */
+};
+
+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_tmu_config tmu2_platform_data = {
+       .name = "TMU2",
+       .channel_offset = 0x1c,
+       .timer_bit = 2,
+       .clk = "tmu0",
+};
+
+static struct resource tmu2_resources[] = {
+       [0] = {
+               .name   = "TMU2",
+               .start  = 0xffd80020,
+               .end    = 0xffd8002b,
+               .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),
+};
+
 static struct plat_sci_port sci_platform_data[] = {
        {
                .mapbase        = 0xffe00000,
@@ -243,6 +336,9 @@ static struct platform_device sci_device = {
 
 static struct platform_device *sh7722_devices[] __initdata = {
        &cmt_device,
+       &tmu0_device,
+       &tmu1_device,
+       &tmu2_device,
        &rtc_device,
        &usbf_device,
        &iic_device,
@@ -271,6 +367,9 @@ __initcall(sh7722_devices_setup);
 
 static struct platform_device *sh7722_early_devices[] __initdata = {
        &cmt_device,
+       &tmu0_device,
+       &tmu1_device,
+       &tmu2_device,
 };
 
 void __init plat_early_device_setup(void)