ARM: clk: imx: update pllv3 to support imx7

Add type IMX_PLLV3_ENET_IMX7

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c
index 260035b..f0d15fb 100644 (file)
--- a/drivers/clk/imx/clk-pllv3.c
+++ b/drivers/clk/imx/clk-pllv3.c
@@ -24,12 +24,14 @@
 
 #define BM_PLL_POWER           (0x1 << 12)
 #define BM_PLL_LOCK            (0x1 << 31)
+#define IMX7_ENET_PLL_POWER    (0x1 << 5)
 
 /**
  * struct clk_pllv3 - IMX PLL clock version 3
  * @clk_hw:     clock source
  * @base:       base address of PLL registers
  * @powerup_set: set POWER bit to power up the PLL
+ * @powerdown:   pll powerdown offset bit
  * @div_mask:   mask of divider bits
  * @div_shift:  shift of divider bits
  *
@@ -40,6 +42,7 @@ struct clk_pllv3 {
        struct clk_hw   hw;
        void __iomem    *base;
        bool            powerup_set;
+       u32             powerdown;
        u32             div_mask;
        u32             div_shift;
 };
@@ -49,7 +52,7 @@ struct clk_pllv3 {
 static int clk_pllv3_wait_lock(struct clk_pllv3 *pll)
 {
        unsigned long timeout = jiffies + msecs_to_jiffies(10);
-       u32 val = readl_relaxed(pll->base) & BM_PLL_POWER;
+       u32 val = readl_relaxed(pll->base) & pll->powerdown;
 
        /* No need to wait for lock when pll is not powered up */
        if ((pll->powerup_set && !val) || (!pll->powerup_set && val))
@@ -293,6 +296,8 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
        if (!pll)
                return ERR_PTR(-ENOMEM);
 
+       pll->powerdown = BM_PLL_POWER;
+
        switch (type) {
        case IMX_PLLV3_SYS:
                ops = &clk_pllv3_sys_ops;
@@ -306,6 +311,8 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
        case IMX_PLLV3_AV:
                ops = &clk_pllv3_av_ops;
                break;
+       case IMX_PLLV3_ENET_IMX7:
+               pll->powerdown = IMX7_ENET_PLL_POWER;
        case IMX_PLLV3_ENET:
                ops = &clk_pllv3_enet_ops;
                break;

diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 6bae537..8b11218 100644 (file)
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -39,6 +39,7 @@ enum imx_pllv3_type {
        IMX_PLLV3_USB_VF610,
        IMX_PLLV3_AV,
        IMX_PLLV3_ENET,
+       IMX_PLLV3_ENET_IMX7,
 };
 
 struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,