sh: CMT platform data for sh7720/sh7721

This patch adds CMT platform data for sh7720 and sh7721.
All 5 32-bit CMT channels unfortunately share a single IRQ.
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>

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index a9dee13..5391746 100644 (file)
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -302,6 +302,7 @@ config CPU_SUBTYPE_SH7720
        bool "Support SH7720 processor"
        select CPU_SH3
        select CPU_HAS_DSP
+       select SYS_SUPPORTS_CMT
        help
          Select SH7720 if you have a SH3-DSP SH7720 CPU.
 
@@ -309,6 +310,7 @@ config CPU_SUBTYPE_SH7721
        bool "Support SH7721 processor"
        select CPU_SH3
        select CPU_HAS_DSP
+       select SYS_SUPPORTS_CMT
        help
          Select SH7721 if you have a SH3-DSP SH7721 CPU.
 

diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index c09619c..d8b46f5 100644 (file)
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -124,6 +124,157 @@ static struct platform_device usbf_device = {
        .resource       = usbf_resources,
 };
 
+static struct sh_timer_config cmt0_platform_data = {
+       .name = "CMT0",
+       .channel_offset = 0x10,
+       .timer_bit = 0,
+       .clk = "module_clk",
+       .clockevent_rating = 125,
+       .clocksource_rating = 125,
+};
+
+static struct resource cmt0_resources[] = {
+       [0] = {
+               .name   = "CMT0",
+               .start  = 0x044a0010,
+               .end    = 0x044a001b,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 104,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device cmt0_device = {
+       .name           = "sh_cmt",
+       .id             = 0,
+       .dev = {
+               .platform_data  = &cmt0_platform_data,
+       },
+       .resource       = cmt0_resources,
+       .num_resources  = ARRAY_SIZE(cmt0_resources),
+};
+
+static struct sh_timer_config cmt1_platform_data = {
+       .name = "CMT1",
+       .channel_offset = 0x20,
+       .timer_bit = 1,
+       .clk = "module_clk",
+};
+
+static struct resource cmt1_resources[] = {
+       [0] = {
+               .name   = "CMT1",
+               .start  = 0x044a0020,
+               .end    = 0x044a002b,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 104,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device cmt1_device = {
+       .name           = "sh_cmt",
+       .id             = 1,
+       .dev = {
+               .platform_data  = &cmt1_platform_data,
+       },
+       .resource       = cmt1_resources,
+       .num_resources  = ARRAY_SIZE(cmt1_resources),
+};
+
+static struct sh_timer_config cmt2_platform_data = {
+       .name = "CMT2",
+       .channel_offset = 0x30,
+       .timer_bit = 2,
+       .clk = "module_clk",
+};
+
+static struct resource cmt2_resources[] = {
+       [0] = {
+               .name   = "CMT2",
+               .start  = 0x044a0030,
+               .end    = 0x044a003b,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 104,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device cmt2_device = {
+       .name           = "sh_cmt",
+       .id             = 2,
+       .dev = {
+               .platform_data  = &cmt2_platform_data,
+       },
+       .resource       = cmt2_resources,
+       .num_resources  = ARRAY_SIZE(cmt2_resources),
+};
+
+static struct sh_timer_config cmt3_platform_data = {
+       .name = "CMT3",
+       .channel_offset = 0x40,
+       .timer_bit = 3,
+       .clk = "module_clk",
+};
+
+static struct resource cmt3_resources[] = {
+       [0] = {
+               .name   = "CMT3",
+               .start  = 0x044a0040,
+               .end    = 0x044a004b,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 104,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device cmt3_device = {
+       .name           = "sh_cmt",
+       .id             = 3,
+       .dev = {
+               .platform_data  = &cmt3_platform_data,
+       },
+       .resource       = cmt3_resources,
+       .num_resources  = ARRAY_SIZE(cmt3_resources),
+};
+
+static struct sh_timer_config cmt4_platform_data = {
+       .name = "CMT4",
+       .channel_offset = 0x50,
+       .timer_bit = 4,
+       .clk = "module_clk",
+};
+
+static struct resource cmt4_resources[] = {
+       [0] = {
+               .name   = "CMT4",
+               .start  = 0x044a0050,
+               .end    = 0x044a005b,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 104,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device cmt4_device = {
+       .name           = "sh_cmt",
+       .id             = 4,
+       .dev = {
+               .platform_data  = &cmt4_platform_data,
+       },
+       .resource       = cmt4_resources,
+       .num_resources  = ARRAY_SIZE(cmt4_resources),
+};
 
 static struct sh_timer_config tmu0_platform_data = {
        .name = "TMU0",
@@ -218,6 +369,11 @@ static struct platform_device tmu2_device = {
 };
 
 static struct platform_device *sh7720_devices[] __initdata = {
+       &cmt0_device,
+       &cmt1_device,
+       &cmt2_device,
+       &cmt3_device,
+       &cmt4_device,
        &tmu0_device,
        &tmu1_device,
        &tmu2_device,
@@ -235,6 +391,11 @@ static int __init sh7720_devices_setup(void)
 __initcall(sh7720_devices_setup);
 
 static struct platform_device *sh7720_early_devices[] __initdata = {
+       &cmt0_device,
+       &cmt1_device,
+       &cmt2_device,
+       &cmt3_device,
+       &cmt4_device,
        &tmu0_device,
        &tmu1_device,
        &tmu2_device,