diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2016-11-09 08:14:00 -0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-01-11 08:07:00 +0100 |
| commit | 385bfcc86f3b531e3713ccb75a2f8ef25750f186 (patch) | |
| tree | 236baed20974dc132ad40c435a683395907e3d47 /drivers/clk | |
| parent | 3ae4754b51da47d612a72a843ac1131b755a5a0e (diff) | |
| download | barebox-385bfcc86f3b531e3713ccb75a2f8ef25750f186.tar.gz barebox-385bfcc86f3b531e3713ccb75a2f8ef25750f186.tar.xz | |
i.MX: clk: Add IMX_PLLV3_USB_VF610 support
Add IMX_PLLV3_USB_VF610 PLLv3 types support clk-pllv3.c
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/imx/clk-pllv3.c | 9 | ||||
| -rw-r--r-- | drivers/clk/imx/clk.h | 1 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index e38dcdfdaa..29c0f1c700 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -36,6 +36,7 @@ struct clk_pllv3 { void __iomem *base; bool powerup_set; u32 div_mask; + u32 div_shift; const char *parent; }; @@ -92,7 +93,7 @@ static unsigned long clk_pllv3_recalc_rate(struct clk *clk, unsigned long parent_rate) { struct clk_pllv3 *pll = to_clk_pllv3(clk); - u32 div = readl(pll->base) & pll->div_mask; + u32 div = (readl(pll->base) >> pll->div_shift) & pll->div_mask; return (div == 1) ? parent_rate * 22 : parent_rate * 20; } @@ -120,8 +121,8 @@ static int clk_pllv3_set_rate(struct clk *clk, unsigned long rate, return -EINVAL; val = readl(pll->base); - val &= ~pll->div_mask; - val |= div; + val &= ~(pll->div_mask << pll->div_shift); + val |= div << pll->div_shift; writel(val, pll->base); return 0; @@ -292,6 +293,8 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, case IMX_PLLV3_SYS: ops = &clk_pllv3_sys_ops; break; + case IMX_PLLV3_USB_VF610: + pll->div_shift = 1; case IMX_PLLV3_USB: ops = &clk_pllv3_ops; pll->powerup_set = true; diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index 2aeb35631d..35e480f291 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -71,6 +71,7 @@ enum imx_pllv3_type { IMX_PLLV3_GENERIC, IMX_PLLV3_SYS, IMX_PLLV3_USB, + IMX_PLLV3_USB_VF610, IMX_PLLV3_AV, IMX_PLLV3_ENET, IMX_PLLV3_MLB, |