aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/clk/imx/clk-pll14xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/imx/clk-pll14xx.c')
-rw-r--r--drivers/clk/imx/clk-pll14xx.c72
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;
}