diff options
| -rw-r--r-- | arch/arm/mach-davinci/da850.c | 46 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/da8xx.h | 1 |
2 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 0c4a26ddebba..2a2f60c54ec6 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -383,6 +383,49 @@ static struct clk dsp_clk = { .flags = PSC_LRST | PSC_FORCE, }; +static struct clk ehrpwm_clk = { + .name = "ehrpwm", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_PWM, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + +#define DA8XX_EHRPWM_TBCLKSYNC BIT(12) + +static void ehrpwm_tblck_enable(struct clk *clk) +{ + u32 val; + + val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); + val |= DA8XX_EHRPWM_TBCLKSYNC; + writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); +} + +static void ehrpwm_tblck_disable(struct clk *clk) +{ + u32 val; + + val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); + val &= ~DA8XX_EHRPWM_TBCLKSYNC; + writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); +} + +static struct clk ehrpwm_tbclk = { + .name = "ehrpwm_tbclk", + .parent = &ehrpwm_clk, + .clk_enable = ehrpwm_tblck_enable, + .clk_disable = ehrpwm_tblck_disable, +}; + +static struct clk ecap_clk = { + .name = "ecap", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC1_ECAP, + .gpsc = 1, + .flags = DA850_CLK_ASYNC3, +}; + static struct clk_lookup da850_clks[] = { CLK(NULL, "ref", &ref_clk), CLK(NULL, "pll0", &pll0_clk), @@ -430,6 +473,9 @@ static struct clk_lookup da850_clks[] = { CLK("vpif", NULL, &vpif_clk), CLK("ahci", NULL, &sata_clk), CLK("davinci-rproc.0", NULL, &dsp_clk), + CLK("ehrpwm", "fck", &ehrpwm_clk), + CLK("ehrpwm", "tbclk", &ehrpwm_tbclk), + CLK("ecap", "fck", &ecap_clk), CLK(NULL, NULL, NULL), }; diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index de439b7b9af1..be77ce269cb0 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -55,6 +55,7 @@ extern unsigned int da850_max_speed; #define DA8XX_SYSCFG0_VIRT(x) (da8xx_syscfg0_base + (x)) #define DA8XX_JTAG_ID_REG 0x18 #define DA8XX_CFGCHIP0_REG 0x17c +#define DA8XX_CFGCHIP1_REG 0x180 #define DA8XX_CFGCHIP2_REG 0x184 #define DA8XX_CFGCHIP3_REG 0x188 |