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ARM: mach-shmobile: sh73a0 TMU support
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Add support for 2 TMU timer channels on sh73a0.

One timer channel is used for clocksource and
the other is used for clockevents. All channels
in the same TMU block share MSTP bit as usual.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Magnus Damm authored and Paul Mundt committed Dec 22, 2010
1 parent 5f53a56 commit 5010f3d
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Showing 2 changed files with 67 additions and 1 deletion.
5 changes: 4 additions & 1 deletion arch/arm/mach-shmobile/clock-sh73a0.c
Original file line number Diff line number Diff line change
Expand Up @@ -255,7 +255,7 @@ static struct clk div6_clks[DIV6_NR] = {
};

enum { MSTP001,
MSTP116,
MSTP125, MSTP116,
MSTP219,
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
MSTP331, MSTP329, MSTP323,
Expand All @@ -267,6 +267,7 @@ enum { MSTP001,

static struct clk mstp_clks[MSTP_NR] = {
[MSTP001] = MSTP(&div4_clks[DIV4_HP], SMSTPCR0, 1, 0), /* IIC2 */
[MSTP125] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
[MSTP116] = MSTP(&div4_clks[DIV4_HP], SMSTPCR1, 16, 0), /* IIC0 */
[MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
Expand All @@ -292,6 +293,8 @@ static struct clk_lookup lookups[] = {

/* MSTP32 clocks */
CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */
CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */
CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
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63 changes: 63 additions & 0 deletions arch/arm/mach-shmobile/setup-sh73a0.c
Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,67 @@ static struct platform_device cmt10_device = {
.num_resources = ARRAY_SIZE(cmt10_resources),
};

/* TMU */
static struct sh_timer_config tmu00_platform_data = {
.name = "TMU00",
.channel_offset = 0x4,
.timer_bit = 0,
.clockevent_rating = 200,
};

static struct resource tmu00_resources[] = {
[0] = {
.name = "TMU00",
.start = 0xfff60008,
.end = 0xfff60013,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = intcs_evt2irq(0x0e80), /* TMU0_TUNI00 */
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device tmu00_device = {
.name = "sh_tmu",
.id = 0,
.dev = {
.platform_data = &tmu00_platform_data,
},
.resource = tmu00_resources,
.num_resources = ARRAY_SIZE(tmu00_resources),
};

static struct sh_timer_config tmu01_platform_data = {
.name = "TMU01",
.channel_offset = 0x10,
.timer_bit = 1,
.clocksource_rating = 200,
};

static struct resource tmu01_resources[] = {
[0] = {
.name = "TMU01",
.start = 0xfff60014,
.end = 0xfff6001f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = intcs_evt2irq(0x0ea0), /* TMU0_TUNI01 */
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device tmu01_device = {
.name = "sh_tmu",
.id = 1,
.dev = {
.platform_data = &tmu01_platform_data,
},
.resource = tmu01_resources,
.num_resources = ARRAY_SIZE(tmu01_resources),
};

static struct resource i2c0_resources[] = {
[0] = {
.name = "IIC0",
Expand Down Expand Up @@ -324,6 +385,8 @@ static struct platform_device *sh73a0_early_devices[] __initdata = {
&scif7_device,
&scif8_device,
&cmt10_device,
&tmu00_device,
&tmu01_device,
};

static struct platform_device *sh73a0_late_devices[] __initdata = {
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