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path: root/arch/arm/mach-imx/clk-pllv3.c
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Diffstat (limited to 'arch/arm/mach-imx/clk-pllv3.c')
-rw-r--r--arch/arm/mach-imx/clk-pllv3.c72
1 files changed, 4 insertions, 68 deletions
diff --git a/arch/arm/mach-imx/clk-pllv3.c b/arch/arm/mach-imx/clk-pllv3.c
index 36aac947bce..d09bc3df9a7 100644
--- a/arch/arm/mach-imx/clk-pllv3.c
+++ b/arch/arm/mach-imx/clk-pllv3.c
@@ -31,7 +31,6 @@
* @clk_hw: clock source
* @base: base address of PLL registers
* @powerup_set: set POWER bit to power up the PLL
- * @gate_mask: mask of gate bits
* @div_mask: mask of divider bits
*
* IMX PLL clock version 3, found on i.MX6 series. Divider for pllv3
@@ -41,7 +40,6 @@ struct clk_pllv3 {
struct clk_hw hw;
void __iomem *base;
bool powerup_set;
- u32 gate_mask;
u32 div_mask;
};
@@ -89,7 +87,7 @@ static int clk_pllv3_enable(struct clk_hw *hw)
u32 val;
val = readl_relaxed(pll->base);
- val |= pll->gate_mask;
+ val |= BM_PLL_ENABLE;
writel_relaxed(val, pll->base);
return 0;
@@ -101,7 +99,7 @@ static void clk_pllv3_disable(struct clk_hw *hw)
u32 val;
val = readl_relaxed(pll->base);
- val &= ~pll->gate_mask;
+ val &= ~BM_PLL_ENABLE;
writel_relaxed(val, pll->base);
}
@@ -287,66 +285,7 @@ static const struct clk_ops clk_pllv3_av_ops = {
static unsigned long clk_pllv3_enet_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- struct clk_pllv3 *pll = to_clk_pllv3(hw);
- u32 div = readl_relaxed(pll->base) & pll->div_mask;
-
- switch (div) {
- case 0:
- return 25000000;
- case 1:
- return 50000000;
- case 2:
- return 100000000;
- case 3:
- return 125000000;
- }
-
- return 0;
-}
-
-static long clk_pllv3_enet_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- if (rate >= 125000000)
- rate = 125000000;
- else if (rate >= 100000000)
- rate = 100000000;
- else if (rate >= 50000000)
- rate = 50000000;
- else
- rate = 25000000;
- return rate;
-}
-
-static int clk_pllv3_enet_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_pllv3 *pll = to_clk_pllv3(hw);
- u32 val, div;
-
- switch (rate) {
- case 25000000:
- div = 0;
- break;
- case 50000000:
- div = 1;
- break;
- case 100000000:
- div = 2;
- break;
- case 125000000:
- div = 3;
- break;
- default:
- return -EINVAL;
- }
-
- val = readl_relaxed(pll->base);
- val &= ~pll->div_mask;
- val |= div;
- writel_relaxed(val, pll->base);
-
- return 0;
+ return 500000000;
}
static const struct clk_ops clk_pllv3_enet_ops = {
@@ -355,8 +294,6 @@ static const struct clk_ops clk_pllv3_enet_ops = {
.enable = clk_pllv3_enable,
.disable = clk_pllv3_disable,
.recalc_rate = clk_pllv3_enet_recalc_rate,
- .round_rate = clk_pllv3_enet_round_rate,
- .set_rate = clk_pllv3_enet_set_rate,
};
static const struct clk_ops clk_pllv3_mlb_ops = {
@@ -368,7 +305,7 @@ static const struct clk_ops clk_pllv3_mlb_ops = {
struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
const char *parent_name, void __iomem *base,
- u32 gate_mask, u32 div_mask)
+ u32 div_mask)
{
struct clk_pllv3 *pll;
const struct clk_ops *ops;
@@ -400,7 +337,6 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
ops = &clk_pllv3_ops;
}
pll->base = base;
- pll->gate_mask = gate_mask;
pll->div_mask = div_mask;
init.name = name;