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Commit b4777a21 authored by Rajendra Nayak's avatar Rajendra Nayak Committed by Paul Walmsley
Browse files

ARM: OMAP3: clock: Convert to common clk 



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: default avatarRajendra Nayak <rnayak@ti.com>
Signed-off-by: default avatarMike Turquette <mturquette@ti.com>
Signed-off-by: default avatarPaul Walmsley <paul@pwsan.com>
parent 32cc0021

arch/arm/mach-omap2/clkt34xx_dpll3m2.c

+13 −0
Original line number Diff line number Diff line
@@ -45,8 +45,15 @@ 
 * 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;

}

arch/arm/mach-omap2/clkt_iclk.c

+13 −0
Original line number Diff line number Diff line
@@ -27,7 +27,11 @@ 
/* 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,

arch/arm/mach-omap2/clock.h

+20 −2
Original line number Diff line number Diff line
@@ -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[];

arch/arm/mach-omap2/clock34xx.c

+51 −0
Original line number Diff line number Diff line
@@ -37,7 +37,11 @@ 
 * 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

arch/arm/mach-omap2/clock3517.c

+32 −5
Original line number Diff line number Diff line
@@ -47,7 +47,11 @@ 
 * 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)
@@ -71,7 +75,13 @@ 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,

#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);
@@ -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