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| author | Philip Avinash <avinashphilip@ti.com> | 2013-06-06 15:52:36 +0200 |
|---|---|---|
| committer | Paul Walmsley <paul@pwsan.com> | 2013-06-09 01:12:32 -0600 |
| commit | 563ce4d51a555b45f5d43ff9cf127da8dac9f64d (patch) | |
| tree | f84a132d1236979e4c913c6bfa63d542feb06848 | |
| parent | 1919f0f7db055b90a45c2de2ea49c6bd3789b203 (diff) | |
| download | op-kernel-dev-563ce4d51a555b45f5d43ff9cf127da8dac9f64d.zip op-kernel-dev-563ce4d51a555b45f5d43ff9cf127da8dac9f64d.tar.gz | |
ARM: AM33XX: clk: Add clock node for EHRPWM TBCLK
EHRPWM module requires explicit clock gating of TBCLK from control
module. Hence add TBCLK clock node in clock tree for EHRPWM modules.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
[bigeasy: remove CK_AM33XX]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
| -rw-r--r-- | arch/arm/mach-omap2/cclock33xx_data.c | 30 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/control.h | 8 |
2 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c index af3544c..0346de5 100644 --- a/arch/arm/mach-omap2/cclock33xx_data.c +++ b/arch/arm/mach-omap2/cclock33xx_data.c @@ -862,6 +862,33 @@ static struct clk_hw_omap wdt1_fck_hw = { DEFINE_STRUCT_CLK(wdt1_fck, wdt_ck_parents, gpio_fck_ops); +static const char *pwmss_clk_parents[] = { + "dpll_per_m2_ck", +}; + +static const struct clk_ops ehrpwm_tbclk_ops = { + .enable = &omap2_dflt_clk_enable, + .disable = &omap2_dflt_clk_disable, +}; + +DEFINE_CLK_OMAP_MUX_GATE(ehrpwm0_tbclk, "l4ls_clkdm", + NULL, NULL, 0, + AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), + AM33XX_PWMSS0_TBCLKEN_SHIFT, + NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); + +DEFINE_CLK_OMAP_MUX_GATE(ehrpwm1_tbclk, "l4ls_clkdm", + NULL, NULL, 0, + AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), + AM33XX_PWMSS1_TBCLKEN_SHIFT, + NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); + +DEFINE_CLK_OMAP_MUX_GATE(ehrpwm2_tbclk, "l4ls_clkdm", + NULL, NULL, 0, + AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), + AM33XX_PWMSS2_TBCLKEN_SHIFT, + NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); + /* * clkdev */ @@ -942,6 +969,9 @@ static struct omap_clk am33xx_clks[] = { CLK(NULL, "clkout2_div_ck", &clkout2_div_ck), CLK(NULL, "timer_32k_ck", &clkdiv32k_ick), CLK(NULL, "timer_sys_ck", &sys_clkin_ck), + CLK("48300200.ehrpwm", "tbclk", &ehrpwm0_tbclk), + CLK("48302200.ehrpwm", "tbclk", &ehrpwm1_tbclk), + CLK("48304200.ehrpwm", "tbclk", &ehrpwm2_tbclk), }; diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h index e6c3281..35d17a6 100644 --- a/arch/arm/mach-omap2/control.h +++ b/arch/arm/mach-omap2/control.h @@ -358,6 +358,14 @@ #define AM33XX_CONTROL_STATUS_SYSBOOT1_WIDTH 0x2 #define AM33XX_CONTROL_STATUS_SYSBOOT1_MASK (0x3 << 22) +/* AM33XX PWMSS Control register */ +#define AM33XX_PWMSS_TBCLK_CLKCTRL 0x664 + +/* AM33XX PWMSS Control bitfields */ +#define AM33XX_PWMSS0_TBCLKEN_SHIFT 0 +#define AM33XX_PWMSS1_TBCLKEN_SHIFT 1 +#define AM33XX_PWMSS2_TBCLKEN_SHIFT 2 + /* CONTROL OMAP STATUS register to identify OMAP3 features */ #define OMAP3_CONTROL_OMAP_STATUS 0x044c |
