diff options
Diffstat (limited to 'drivers/clk/imx/clk-pll14xx.c')
-rw-r--r-- | drivers/clk/imx/clk-pll14xx.c | 72 |
1 files changed, 40 insertions, 32 deletions
diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index 7a815ec76aa5..5c458199060a 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -41,6 +41,38 @@ struct clk_pll14xx { #define to_clk_pll14xx(_hw) container_of(_hw, struct clk_pll14xx, hw) +static const struct imx_pll14xx_rate_table imx_pll1416x_tbl[] = { + PLL_1416X_RATE(1800000000U, 225, 3, 0), + PLL_1416X_RATE(1600000000U, 200, 3, 0), + PLL_1416X_RATE(1500000000U, 375, 3, 1), + PLL_1416X_RATE(1400000000U, 350, 3, 1), + PLL_1416X_RATE(1200000000U, 300, 3, 1), + PLL_1416X_RATE(1000000000U, 250, 3, 1), + PLL_1416X_RATE(800000000U, 200, 3, 1), + PLL_1416X_RATE(750000000U, 250, 2, 2), + PLL_1416X_RATE(700000000U, 350, 3, 2), + PLL_1416X_RATE(600000000U, 300, 3, 2), +}; + +static const struct imx_pll14xx_rate_table imx_pll1443x_tbl[] = { + PLL_1443X_RATE(650000000U, 325, 3, 2, 0), + PLL_1443X_RATE(594000000U, 198, 2, 2, 0), + PLL_1443X_RATE(393216000U, 262, 2, 3, 9437), + PLL_1443X_RATE(361267200U, 361, 3, 3, 17511), +}; + +struct imx_pll14xx_clk imx_1443x_pll = { + .type = PLL_1443X, + .rate_table = imx_pll1443x_tbl, + .rate_count = ARRAY_SIZE(imx_pll1443x_tbl), +}; + +struct imx_pll14xx_clk imx_1416x_pll = { + .type = PLL_1416X, + .rate_table = imx_pll1416x_tbl, + .rate_count = ARRAY_SIZE(imx_pll1416x_tbl), +}; + static const struct imx_pll14xx_rate_table *imx_get_pll_settings( struct clk_pll14xx *pll, unsigned long rate) { @@ -112,43 +144,17 @@ static unsigned long clk_pll1443x_recalc_rate(struct clk_hw *hw, return fvco; } -static inline bool clk_pll1416x_mp_change(const struct imx_pll14xx_rate_table *rate, +static inline bool clk_pll14xx_mp_change(const struct imx_pll14xx_rate_table *rate, u32 pll_div) { u32 old_mdiv, old_pdiv; - old_mdiv = (pll_div >> MDIV_SHIFT) & MDIV_MASK; - old_pdiv = (pll_div >> PDIV_SHIFT) & PDIV_MASK; + old_mdiv = (pll_div & MDIV_MASK) >> MDIV_SHIFT; + old_pdiv = (pll_div & PDIV_MASK) >> PDIV_SHIFT; return rate->mdiv != old_mdiv || rate->pdiv != old_pdiv; } -static inline bool clk_pll1443x_mpk_change(const struct imx_pll14xx_rate_table *rate, - u32 pll_div_ctl0, u32 pll_div_ctl1) -{ - u32 old_mdiv, old_pdiv, old_kdiv; - - old_mdiv = (pll_div_ctl0 >> MDIV_SHIFT) & MDIV_MASK; - old_pdiv = (pll_div_ctl0 >> PDIV_SHIFT) & PDIV_MASK; - old_kdiv = (pll_div_ctl1 >> KDIV_SHIFT) & KDIV_MASK; - - return rate->mdiv != old_mdiv || rate->pdiv != old_pdiv || - rate->kdiv != old_kdiv; -} - -static inline bool clk_pll1443x_mp_change(const struct imx_pll14xx_rate_table *rate, - u32 pll_div_ctl0, u32 pll_div_ctl1) -{ - u32 old_mdiv, old_pdiv, old_kdiv; - - old_mdiv = (pll_div_ctl0 >> MDIV_SHIFT) & MDIV_MASK; - old_pdiv = (pll_div_ctl0 >> PDIV_SHIFT) & PDIV_MASK; - old_kdiv = (pll_div_ctl1 >> KDIV_SHIFT) & KDIV_MASK; - - return rate->mdiv != old_mdiv || rate->pdiv != old_pdiv || - rate->kdiv != old_kdiv; -} - static int clk_pll14xx_wait_lock(struct clk_pll14xx *pll) { u32 val; @@ -174,7 +180,7 @@ static int clk_pll1416x_set_rate(struct clk_hw *hw, unsigned long drate, tmp = readl_relaxed(pll->base + 4); - if (!clk_pll1416x_mp_change(rate, tmp)) { + if (!clk_pll14xx_mp_change(rate, tmp)) { tmp &= ~(SDIV_MASK) << SDIV_SHIFT; tmp |= rate->sdiv << SDIV_SHIFT; writel_relaxed(tmp, pll->base + 4); @@ -239,13 +245,15 @@ static int clk_pll1443x_set_rate(struct clk_hw *hw, unsigned long drate, } tmp = readl_relaxed(pll->base + 4); - div_val = readl_relaxed(pll->base + 8); - if (!clk_pll1443x_mpk_change(rate, tmp, div_val)) { + if (!clk_pll14xx_mp_change(rate, tmp)) { tmp &= ~(SDIV_MASK) << SDIV_SHIFT; tmp |= rate->sdiv << SDIV_SHIFT; writel_relaxed(tmp, pll->base + 4); + tmp = rate->kdiv << KDIV_SHIFT; + writel_relaxed(tmp, pll->base + 8); + return 0; } |