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author | Philip Avinash <avinashphilip@ti.com> | 2013-03-25 13:19:48 +0530 |
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committer | Sekhar Nori <nsekhar@ti.com> | 2013-04-01 17:17:10 +0530 |
commit | bb170e6118e76903bf03fc14ab60a34c26aac747 (patch) | |
tree | 6f2373bbea3e26ba1256a269ed783547bbc983fc /arch/arm/mach-davinci/da850.c | |
parent | c6007ffe842892484027a40b6ac18d29ac11e2ce (diff) | |
download | op-kernel-dev-bb170e6118e76903bf03fc14ab60a34c26aac747.zip op-kernel-dev-bb170e6118e76903bf03fc14ab60a34c26aac747.tar.gz |
ARM: davinci: da850: add ECAP & EHRPWM clock nodes
Add ECAP and EHRPWM module clock nodes. Also add a clock
node for TBCLK for EHRWPM.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'arch/arm/mach-davinci/da850.c')
-rw-r--r-- | arch/arm/mach-davinci/da850.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 0c4a26d..2a2f60c 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), }; |