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sh: CMT platform data for sh7720/sh7721

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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>
This commit is contained in:
Magnus Damm 2009-05-12 10:21:11 +00:00 committed by Paul Mundt
parent 4a1a5a2f60
commit 2b23a8826a
2 changed files with 163 additions and 0 deletions
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2
arch/sh/Kconfig
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@ -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.

161
arch/sh/kernel/cpu/sh3/setup-sh7720.c
View file

@ -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,