diff options
| author | Magnus Damm <damm@opensource.se> | 2013-06-28 15:27:23 +0400 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-07-17 09:26:53 +0400 |
| commit | a7b99f27a260a25f856ea37090cea997d50fe112 (patch) | |
| tree | 9e8cbf093bb93b8ae1d4aecd8ef235e70e8c03ad /arch/arm/mach-shmobile | |
| parent | 8333d8c995169e489a81241bd632a4b9370ed7c3 (diff) | |
| download | linux-a7b99f27a260a25f856ea37090cea997d50fe112.tar.xz | |
ARM: shmobile: Add r8a73a4 CMT10 clock event
Add clock event support for CMT1 timer channel 0
to the r8a73a4 SoC code. The CMT is used together
with a 32KHz clock in this case.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/clock-r8a73a4.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a73a4.c | 21 |
2 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c index f831b3bbbb07..8ea5ef6c79cc 100644 --- a/arch/arm/mach-shmobile/clock-r8a73a4.c +++ b/arch/arm/mach-shmobile/clock-r8a73a4.c @@ -505,7 +505,7 @@ static struct clk div6_clks[DIV6_NR] = { /* MSTP */ enum { MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, - MSTP323, MSTP318, MSTP317, MSTP316, + MSTP329, MSTP323, MSTP318, MSTP317, MSTP316, MSTP315, MSTP314, MSTP313, MSTP312, MSTP305, MSTP300, MSTP411, MSTP410, MSTP409, MSTP522, MSTP515, @@ -529,6 +529,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP317] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 17, 0), /* IIC7 */ [MSTP318] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 18, 0), /* IIC0 */ [MSTP323] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP329] = SH_CLK_MSTP32(&extalr_clk, SMSTPCR3, 29, 0), /* CMT10 */ [MSTP409] = SH_CLK_MSTP32(&main_div2_clk, SMSTPCR4, 9, 0), /* IIC5 */ [MSTP410] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */ [MSTP411] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */ @@ -593,6 +594,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("e6560000.i2c", &mstp_clks[MSTP317]), CLKDEV_DEV_ID("e6500000.i2c", &mstp_clks[MSTP318]), CLKDEV_DEV_ID("e6510000.i2c", &mstp_clks[MSTP323]), + CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), CLKDEV_DEV_ID("e60b0000.i2c", &mstp_clks[MSTP409]), CLKDEV_DEV_ID("e6540000.i2c", &mstp_clks[MSTP410]), CLKDEV_DEV_ID("e6530000.i2c", &mstp_clks[MSTP411]), diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c index 9c52096ac995..b8dddf4a7ae9 100644 --- a/arch/arm/mach-shmobile/setup-r8a73a4.c +++ b/arch/arm/mach-shmobile/setup-r8a73a4.c @@ -22,6 +22,7 @@ #include <linux/of_platform.h> #include <linux/platform_data/irq-renesas-irqc.h> #include <linux/serial_sci.h> +#include <linux/sh_timer.h> #include <mach/common.h> #include <mach/irqs.h> #include <mach/r8a73a4.h> @@ -168,6 +169,25 @@ static const struct resource thermal0_resources[] = { thermal0_resources, \ ARRAY_SIZE(thermal0_resources)) +static struct sh_timer_config cmt10_platform_data = { + .name = "CMT10", + .timer_bit = 0, + .clockevent_rating = 80, +}; + +static struct resource cmt10_resources[] = { + DEFINE_RES_MEM(0xe6130010, 0x0c), + DEFINE_RES_MEM(0xe6130000, 0x04), + DEFINE_RES_IRQ(gic_spi(120)), /* CMT1_0 */ +}; + +#define r8a7790_register_cmt(idx) \ + platform_device_register_resndata(&platform_bus, "sh_cmt", \ + idx, cmt##idx##_resources, \ + ARRAY_SIZE(cmt##idx##_resources), \ + &cmt##idx##_platform_data, \ + sizeof(struct sh_timer_config)) + void __init r8a73a4_add_standard_devices(void) { r8a73a4_register_scif(SCIFA0); @@ -179,6 +199,7 @@ void __init r8a73a4_add_standard_devices(void) r8a73a4_register_irqc(0); r8a73a4_register_irqc(1); r8a73a4_register_thermal(); + r8a7790_register_cmt(10); } #ifdef CONFIG_USE_OF |