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Commit 2b23a882 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

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: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 4a1a5a2f

arch/sh/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -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.

arch/sh/kernel/cpu/sh3/setup-sh7720.c

+161 −0
Original line number Diff line number Diff line
@@ -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,