ARM: OMAP3: clock: Convert to common clk
authorRajendra Nayak <rnayak@ti.com>
Fri, 27 Apr 2012 10:23:48 +0000 (15:53 +0530)
committerPaul Walmsley <paul@pwsan.com>
Tue, 13 Nov 2012 02:10:18 +0000 (19:10 -0700)
Convert all OMAP3 specific platform files to use COMMON clk
and keep all the changes under the CONFIG_COMMON_CLK macro check
so it does not break any existing code. At a later point switch
to COMMON clk and get rid of all old/legacy code.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
arch/arm/mach-omap2/clkt34xx_dpll3m2.c
arch/arm/mach-omap2/clkt_iclk.c
arch/arm/mach-omap2/clock.h
arch/arm/mach-omap2/clock34xx.c
arch/arm/mach-omap2/clock3517.c
arch/arm/mach-omap2/clock36xx.c
arch/arm/mach-omap2/clock36xx.h
arch/arm/mach-omap2/clock3xxx.c
arch/arm/mach-omap2/clock3xxx.h

index 5510d92..aeaaa87 100644 (file)
  * Program the DPLL M2 divider with the rounded target rate.  Returns
  * -EINVAL upon error, or 0 upon success.
  */
+#ifdef CONFIG_COMMON_CLK
+int omap3_core_dpll_m2_set_rate(struct clk_hw *hw, unsigned long rate,
+                                       unsigned long parent_rate)
+{
+       struct clk_hw_omap *clk = to_clk_hw_omap(hw);
+#else
 int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate)
 {
+#endif
        u32 new_div = 0;
        u32 unlock_dll = 0;
        u32 c;
@@ -64,7 +71,11 @@ int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate)
                return -EINVAL;
 
        sdrcrate = __clk_get_rate(sdrc_ick_p);
+#ifdef CONFIG_COMMON_CLK
+       clkrate = __clk_get_rate(hw->clk);
+#else
        clkrate = __clk_get_rate(clk);
+#endif
        if (rate > clkrate)
                sdrcrate <<= ((rate / clkrate) >> 1);
        else
@@ -113,7 +124,9 @@ int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate)
                                  sdrc_cs0->rfr_ctrl, sdrc_cs0->actim_ctrla,
                                  sdrc_cs0->actim_ctrlb, sdrc_cs0->mr,
                                  0, 0, 0, 0);
+#ifndef CONFIG_COMMON_CLK
        clk->rate = rate;
+#endif
 
        return 0;
 }
index 3b661ba..650c8c7 100644 (file)
 /* Private functions */
 
 /* XXX */
+#ifdef CONFIG_COMMON_CLK
+void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk)
+#else
 void omap2_clkt_iclk_allow_idle(struct clk *clk)
+#endif
 {
        u32 v, r;
 
@@ -39,7 +43,11 @@ void omap2_clkt_iclk_allow_idle(struct clk *clk)
 }
 
 /* XXX */
+#ifdef CONFIG_COMMON_CLK
+void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk)
+#else
 void omap2_clkt_iclk_deny_idle(struct clk *clk)
+#endif
 {
        u32 v, r;
 
@@ -53,6 +61,11 @@ void omap2_clkt_iclk_deny_idle(struct clk *clk)
 /* Public data */
 
 #ifdef CONFIG_COMMON_CLK
+const struct clk_hw_omap_ops clkhwops_iclk = {
+       .allow_idle     = omap2_clkt_iclk_allow_idle,
+       .deny_idle      = omap2_clkt_iclk_deny_idle,
+};
+
 const struct clk_hw_omap_ops clkhwops_iclk_wait = {
        .allow_idle     = omap2_clkt_iclk_allow_idle,
        .deny_idle      = omap2_clkt_iclk_deny_idle,
index 5a4f4fe..6800d5f 100644 (file)
@@ -509,8 +509,13 @@ int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent);
 #endif
 
 /* clkt_iclk.c public functions */
+#ifdef CONFIG_COMMON_CLK
+extern void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk);
+extern void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk);
+#else
 extern void omap2_clkt_iclk_allow_idle(struct clk *clk);
 extern void omap2_clkt_iclk_deny_idle(struct clk *clk);
+#endif
 
 #ifdef CONFIG_COMMON_CLK
 u8 omap2_init_dpll_parent(struct clk_hw *hw);
@@ -561,8 +566,20 @@ extern const struct clk_hw_omap_ops clkhwops_omap3_dpll;
 extern const struct clk_hw_omap_ops clkhwops_iclk_wait;
 extern const struct clk_hw_omap_ops clkhwops_wait;
 extern const struct clk_hw_omap_ops clkhwops_omap4_dpllmx;
-#endif
-
+extern const struct clk_hw_omap_ops clkhwops_iclk;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_ssi_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_ssi_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_dss_usbhost_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_hsotgusb_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_hsotgusb_wait;
+extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_module_wait;
+extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_wait;
+extern const struct clk_hw_omap_ops clkhwops_apll54;
+extern const struct clk_hw_omap_ops clkhwops_apll96;
+extern const struct clk_hw_omap_ops clkhwops_omap2xxx_dpll;
+extern const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait;
+#else
 extern const struct clkops clkops_omap2_iclk_dflt_wait;
 extern const struct clkops clkops_omap2_iclk_dflt;
 extern const struct clkops clkops_omap2_iclk_idle_only;
@@ -571,6 +588,7 @@ extern const struct clkops clkops_omap2xxx_dpll_ops;
 extern const struct clkops clkops_omap3_noncore_dpll_ops;
 extern const struct clkops clkops_omap3_core_dpll_ops;
 extern const struct clkops clkops_omap4_dpllmx_ops;
+#endif /* CONFIG_COMMON_CLK */
 
 /* clksel_rate blocks shared between OMAP44xx and AM33xx */
 extern const struct clksel_rate div_1_0_rates[];
index e41819b..b398a46 100644 (file)
  * from the CM_{I,F}CLKEN bit.  Pass back the correct info via
  * @idlest_reg and @idlest_bit.  No return value.
  */
+#ifdef CONFIG_COMMON_CLK
+static void omap3430es2_clk_ssi_find_idlest(struct clk_hw_omap *clk,
+#else
 static void omap3430es2_clk_ssi_find_idlest(struct clk *clk,
+#endif
                                            void __iomem **idlest_reg,
                                            u8 *idlest_bit,
                                            u8 *idlest_val)
@@ -49,7 +53,19 @@ static void omap3430es2_clk_ssi_find_idlest(struct clk *clk,
        *idlest_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT;
        *idlest_val = OMAP34XX_CM_IDLEST_VAL;
 }
+#ifdef CONFIG_COMMON_CLK
+const struct clk_hw_omap_ops clkhwops_omap3430es2_ssi_wait = {
+       .find_idlest    = omap3430es2_clk_ssi_find_idlest,
+       .find_companion = omap2_clk_dflt_find_companion,
+};
 
+const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_ssi_wait = {
+       .allow_idle     = omap2_clkt_iclk_allow_idle,
+       .deny_idle      = omap2_clkt_iclk_deny_idle,
+       .find_idlest    = omap3430es2_clk_ssi_find_idlest,
+       .find_companion = omap2_clk_dflt_find_companion,
+};
+#else
 const struct clkops clkops_omap3430es2_ssi_wait = {
        .enable         = omap2_dflt_clk_enable,
        .disable        = omap2_dflt_clk_disable,
@@ -65,6 +81,7 @@ const struct clkops clkops_omap3430es2_iclk_ssi_wait = {
        .allow_idle     = omap2_clkt_iclk_allow_idle,
        .deny_idle      = omap2_clkt_iclk_deny_idle,
 };
+#endif
 
 /**
  * omap3430es2_clk_dss_usbhost_find_idlest - CM_IDLEST info for DSS, USBHOST
@@ -80,7 +97,11 @@ const struct clkops clkops_omap3430es2_iclk_ssi_wait = {
  * default find_idlest code assumes that they are at the same
  * position.)  No return value.
  */
+#ifdef CONFIG_COMMON_CLK
+static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk_hw_omap *clk,
+#else
 static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
+#endif
                                                    void __iomem **idlest_reg,
                                                    u8 *idlest_bit,
                                                    u8 *idlest_val)
@@ -93,7 +114,19 @@ static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
        *idlest_bit = OMAP3430ES2_ST_DSS_IDLE_SHIFT;
        *idlest_val = OMAP34XX_CM_IDLEST_VAL;
 }
+#ifdef CONFIG_COMMON_CLK
+const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait = {
+       .find_idlest    = omap3430es2_clk_dss_usbhost_find_idlest,
+       .find_companion = omap2_clk_dflt_find_companion,
+};
 
+const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_dss_usbhost_wait = {
+       .allow_idle     = omap2_clkt_iclk_allow_idle,
+       .deny_idle      = omap2_clkt_iclk_deny_idle,
+       .find_idlest    = omap3430es2_clk_dss_usbhost_find_idlest,
+       .find_companion = omap2_clk_dflt_find_companion,
+};
+#else
 const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
        .enable         = omap2_dflt_clk_enable,
        .disable        = omap2_dflt_clk_disable,
@@ -109,6 +142,7 @@ const struct clkops clkops_omap3430es2_iclk_dss_usbhost_wait = {
        .allow_idle     = omap2_clkt_iclk_allow_idle,
        .deny_idle      = omap2_clkt_iclk_deny_idle,
 };
+#endif
 
 /**
  * omap3430es2_clk_hsotgusb_find_idlest - return CM_IDLEST info for HSOTGUSB
@@ -121,7 +155,11 @@ const struct clkops clkops_omap3430es2_iclk_dss_usbhost_wait = {
  * shift from the CM_{I,F}CLKEN bit.  Pass back the correct info via
  * @idlest_reg and @idlest_bit.  No return value.
  */
+#ifdef CONFIG_COMMON_CLK
+static void omap3430es2_clk_hsotgusb_find_idlest(struct clk_hw_omap *clk,
+#else
 static void omap3430es2_clk_hsotgusb_find_idlest(struct clk *clk,
+#endif
                                                 void __iomem **idlest_reg,
                                                 u8 *idlest_bit,
                                                 u8 *idlest_val)
@@ -133,7 +171,19 @@ static void omap3430es2_clk_hsotgusb_find_idlest(struct clk *clk,
        *idlest_bit = OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT;
        *idlest_val = OMAP34XX_CM_IDLEST_VAL;
 }
+#ifdef CONFIG_COMMON_CLK
+const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_hsotgusb_wait = {
+       .allow_idle     = omap2_clkt_iclk_allow_idle,
+       .deny_idle      = omap2_clkt_iclk_deny_idle,
+       .find_idlest    = omap3430es2_clk_hsotgusb_find_idlest,
+       .find_companion = omap2_clk_dflt_find_companion,
+};
 
+const struct clk_hw_omap_ops clkhwops_omap3430es2_hsotgusb_wait = {
+       .find_idlest    = omap3430es2_clk_hsotgusb_find_idlest,
+       .find_companion = omap2_clk_dflt_find_companion,
+};
+#else
 const struct clkops clkops_omap3430es2_hsotgusb_wait = {
        .enable         = omap2_dflt_clk_enable,
        .disable        = omap2_dflt_clk_disable,
@@ -149,3 +199,4 @@ const struct clkops clkops_omap3430es2_iclk_hsotgusb_wait = {
        .allow_idle     = omap2_clkt_iclk_allow_idle,
        .deny_idle      = omap2_clkt_iclk_deny_idle,
 };
+#endif
index 622ea05..467d8bc 100644 (file)
  * in the enable register itsel at a bit offset of 4 from the enable
  * bit. A value of 1 indicates that clock is enabled.
  */
+#ifdef CONFIG_COMMON_CLK
+static void am35xx_clk_find_idlest(struct clk_hw_omap *clk,
+#else
 static void am35xx_clk_find_idlest(struct clk *clk,
+#endif
                                            void __iomem **idlest_reg,
                                            u8 *idlest_bit,
                                            u8 *idlest_val)
@@ -71,8 +75,14 @@ static void am35xx_clk_find_idlest(struct clk *clk,
  * associate this type of code with per-module data structures to
  * avoid this issue, and remove the casts.  No return value.
  */
-static void am35xx_clk_find_companion(struct clk *clk, void __iomem **other_reg,
-                                           u8 *other_bit)
+#ifdef CONFIG_COMMON_CLK
+static void am35xx_clk_find_companion(struct clk_hw_omap *clk,
+                                     void __iomem **other_reg,
+#else
+static void am35xx_clk_find_companion(struct clk *clk,
+                                     void __iomem **other_reg,
+#endif
+                                     u8 *other_bit)
 {
        *other_reg = (__force void __iomem *)(clk->enable_reg);
        if (clk->enable_bit & AM35XX_IPSS_ICK_MASK)
@@ -80,13 +90,19 @@ static void am35xx_clk_find_companion(struct clk *clk, void __iomem **other_reg,
        else
                *other_bit = clk->enable_bit - AM35XX_IPSS_ICK_FCK_OFFSET;
 }
-
+#ifdef CONFIG_COMMON_CLK
+const struct clk_hw_omap_ops clkhwops_am35xx_ipss_module_wait = {
+       .find_idlest    = am35xx_clk_find_idlest,
+       .find_companion = am35xx_clk_find_companion,
+};
+#else
 const struct clkops clkops_am35xx_ipss_module_wait = {
        .enable         = omap2_dflt_clk_enable,
        .disable        = omap2_dflt_clk_disable,
        .find_idlest    = am35xx_clk_find_idlest,
        .find_companion = am35xx_clk_find_companion,
 };
+#endif
 
 /**
  * am35xx_clk_ipss_find_idlest - return CM_IDLEST info for IPSS
@@ -99,7 +115,11 @@ const struct clkops clkops_am35xx_ipss_module_wait = {
  * CM_{I,F}CLKEN bit.  Pass back the correct info via @idlest_reg
  * and @idlest_bit.  No return value.
  */
+#ifdef CONFIG_COMMON_CLK
+static void am35xx_clk_ipss_find_idlest(struct clk_hw_omap *clk,
+#else
 static void am35xx_clk_ipss_find_idlest(struct clk *clk,
+#endif
                                            void __iomem **idlest_reg,
                                            u8 *idlest_bit,
                                            u8 *idlest_val)
@@ -111,7 +131,14 @@ static void am35xx_clk_ipss_find_idlest(struct clk *clk,
        *idlest_bit = AM35XX_ST_IPSS_SHIFT;
        *idlest_val = OMAP34XX_CM_IDLEST_VAL;
 }
-
+#ifdef CONFIG_COMMON_CLK
+const struct clk_hw_omap_ops clkhwops_am35xx_ipss_wait = {
+       .allow_idle     = omap2_clkt_iclk_allow_idle,
+       .deny_idle      = omap2_clkt_iclk_deny_idle,
+       .find_idlest    = am35xx_clk_ipss_find_idlest,
+       .find_companion = omap2_clk_dflt_find_companion,
+};
+#else
 const struct clkops clkops_am35xx_ipss_wait = {
        .enable         = omap2_dflt_clk_enable,
        .disable        = omap2_dflt_clk_disable,
@@ -120,5 +147,5 @@ const struct clkops clkops_am35xx_ipss_wait = {
        .allow_idle     = omap2_clkt_iclk_allow_idle,
        .deny_idle      = omap2_clkt_iclk_deny_idle,
 };
-
+#endif
 
index 0e1e9e4..9f50e97 100644 (file)
  * (Any other value different from the Read value) to the
  * corresponding CM_CLKSEL register will refresh the dividers.
  */
+#ifdef CONFIG_COMMON_CLK
+int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk_hw *clk)
+{
+       struct clk_hw_omap *parent;
+       struct clk_hw *parent_hw;
+#else
 static int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk *clk)
 {
+       struct clk *parent;
+#endif
        u32 dummy_v, orig_v, clksel_shift;
        int ret;
 
        /* Clear PWRDN bit of HSDIVIDER */
        ret = omap2_dflt_clk_enable(clk);
 
+#ifdef CONFIG_COMMON_CLK
+       parent_hw = __clk_get_hw(__clk_get_parent(clk->clk));
+       parent = to_clk_hw_omap(parent_hw);
+#else
+       parent = clk->parent;
+#endif
+
        /* Restore the dividers */
        if (!ret) {
-               clksel_shift = __ffs(clk->parent->clksel_mask);
-               orig_v = __raw_readl(clk->parent->clksel_reg);
+               clksel_shift = __ffs(parent->clksel_mask);
+               orig_v = __raw_readl(parent->clksel_reg);
                dummy_v = orig_v;
 
                /* Write any other value different from the Read value */
                dummy_v ^= (1 << clksel_shift);
-               __raw_writel(dummy_v, clk->parent->clksel_reg);
+               __raw_writel(dummy_v, parent->clksel_reg);
 
                /* Write the original divider */
-               __raw_writel(orig_v, clk->parent->clksel_reg);
+               __raw_writel(orig_v, parent->clksel_reg);
        }
 
        return ret;
 }
 
+#ifndef CONFIG_COMMON_CLK
 const struct clkops clkops_omap36xx_pwrdn_with_hsdiv_wait_restore = {
        .enable         = omap36xx_pwrdn_clk_enable_with_hsdiv_restore,
        .disable        = omap2_dflt_clk_disable,
        .find_companion = omap2_clk_dflt_find_companion,
        .find_idlest    = omap2_clk_dflt_find_idlest,
 };
+#endif
index a7dee5b..e6a748e 100644 (file)
@@ -8,6 +8,10 @@
 #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK36XX_H
 #define __ARCH_ARM_MACH_OMAP2_CLOCK36XX_H
 
+#ifdef CONFIG_COMMON_CLK
+extern int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk_hw *hw);
+#else
 extern const struct clkops clkops_omap36xx_pwrdn_with_hsdiv_wait_restore;
+#endif
 
 #endif
index 3e8aca2..a6f75cd 100644 (file)
 
 /* needed by omap3_core_dpll_m2_set_rate() */
 struct clk *sdrc_ick_p, *arm_fck_p;
-
+#ifdef CONFIG_COMMON_CLK
+int omap3_dpll4_set_rate(struct clk_hw *hw, unsigned long rate,
+                               unsigned long parent_rate)
+#else
 int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate)
+#endif
 {
        /*
         * According to the 12-5 CDP code from TI, "Limitation 2.5"
@@ -51,7 +55,11 @@ int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate)
                return -EINVAL;
        }
 
+#ifdef CONFIG_COMMON_CLK
+       return omap3_noncore_dpll_set_rate(hw, rate, parent_rate);
+#else
        return omap3_noncore_dpll_set_rate(clk, rate);
+#endif
 }
 
 void __init omap3_clk_lock_dpll5(void)
index 8bbeeaf..87f098d 100644 (file)
@@ -9,8 +9,15 @@
 #define __ARCH_ARM_MACH_OMAP2_CLOCK3XXX_H
 
 int omap3xxx_clk_init(void);
+#ifdef CONFIG_COMMON_CLK
+int omap3_dpll4_set_rate(struct clk_hw *clk, unsigned long rate,
+                                       unsigned long parent_rate);
+int omap3_core_dpll_m2_set_rate(struct clk_hw *clk, unsigned long rate,
+                                       unsigned long parent_rate);
+#else
 int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate);
 int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate);
+#endif
 void omap3_clk_lock_dpll5(void);
 
 extern struct clk *sdrc_ick_p;