ARM: imx: move clock drivers into drivers/clk

After the cleanup on clock drivers, they are now ready to be moved into
drivers/clk.  Let's move them into drivers/clk/imx folder.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>

1 files changed, 0 insertions, 141 deletions

diff --git a/arch/arm/mach-imx/clk-pllv1.c b/arch/arm/mach-imx/clk-pllv1.c
deleted file mode 100644
index c34ad8a611dd..000000000000
--- a/arch/arm/mach-imx/clk-pllv1.c
+++ /dev/null
@@ -1,141 +0,0 @@
-#include <linux/clk.h>
-#include <linux/clk-provider.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/err.h>
-
-#include "clk.h"
-
-/**
- * pll v1
- *
- * @clk_hw	clock source
- * @parent	the parent clock name
- * @base	base address of pll registers
- *
- * PLL clock version 1, found on i.MX1/21/25/27/31/35
- */
-
-#define MFN_BITS	(10)
-#define MFN_SIGN	(BIT(MFN_BITS - 1))
-#define MFN_MASK	(MFN_SIGN - 1)
-
-struct clk_pllv1 {
-	struct clk_hw	hw;
-	void __iomem	*base;
-	enum imx_pllv1_type type;
-};
-
-#define to_clk_pllv1(clk) (container_of(clk, struct clk_pllv1, clk))
-
-static inline bool is_imx1_pllv1(struct clk_pllv1 *pll)
-{
-	return pll->type == IMX_PLLV1_IMX1;
-}
-
-static inline bool is_imx21_pllv1(struct clk_pllv1 *pll)
-{
-	return pll->type == IMX_PLLV1_IMX21;
-}
-
-static inline bool is_imx27_pllv1(struct clk_pllv1 *pll)
-{
-	return pll->type == IMX_PLLV1_IMX27;
-}
-
-static inline bool mfn_is_negative(struct clk_pllv1 *pll, unsigned int mfn)
-{
-	return !is_imx1_pllv1(pll) && !is_imx21_pllv1(pll) && (mfn & MFN_SIGN);
-}
-
-static unsigned long clk_pllv1_recalc_rate(struct clk_hw *hw,
-		unsigned long parent_rate)
-{
-	struct clk_pllv1 *pll = to_clk_pllv1(hw);
-	long long ll;
-	int mfn_abs;
-	unsigned int mfi, mfn, mfd, pd;
-	u32 reg;
-	unsigned long rate;
-
-	reg = readl(pll->base);
-
-	/*
-	 * Get the resulting clock rate from a PLL register value and the input
-	 * frequency. PLLs with this register layout can be found on i.MX1,
-	 * i.MX21, i.MX27 and i,MX31
-	 *
-	 *                  mfi + mfn / (mfd + 1)
-	 *  f = 2 * f_ref * --------------------
-	 *                        pd + 1
-	 */
-
-	mfi = (reg >> 10) & 0xf;
-	mfn = reg & 0x3ff;
-	mfd = (reg >> 16) & 0x3ff;
-	pd =  (reg >> 26) & 0xf;
-
-	mfi = mfi <= 5 ? 5 : mfi;
-
-	mfn_abs = mfn;
-
-	/*
-	 * On all i.MXs except i.MX1 and i.MX21 mfn is a 10bit
-	 * 2's complements number.
-	 * On i.MX27 the bit 9 is the sign bit.
-	 */
-	if (mfn_is_negative(pll, mfn)) {
-		if (is_imx27_pllv1(pll))
-			mfn_abs = mfn & MFN_MASK;
-		else
-			mfn_abs = BIT(MFN_BITS) - mfn;
-	}
-
-	rate = parent_rate * 2;
-	rate /= pd + 1;
-
-	ll = (unsigned long long)rate * mfn_abs;
-
-	do_div(ll, mfd + 1);
-
-	if (mfn_is_negative(pll, mfn))
-		ll = -ll;
-
-	ll = (rate * mfi) + ll;
-
-	return ll;
-}
-
-static struct clk_ops clk_pllv1_ops = {
-	.recalc_rate = clk_pllv1_recalc_rate,
-};
-
-struct clk *imx_clk_pllv1(enum imx_pllv1_type type, const char *name,
-		const char *parent, void __iomem *base)
-{
-	struct clk_pllv1 *pll;
-	struct clk *clk;
-	struct clk_init_data init;
-
-	pll = kmalloc(sizeof(*pll), GFP_KERNEL);
-	if (!pll)
-		return ERR_PTR(-ENOMEM);
-
-	pll->base = base;
-	pll->type = type;
-
-	init.name = name;
-	init.ops = &clk_pllv1_ops;
-	init.flags = 0;
-	init.parent_names = &parent;
-	init.num_parents = 1;
-
-	pll->hw.init = &init;
-
-	clk = clk_register(NULL, &pll->hw);
-	if (IS_ERR(clk))
-		kfree(pll);
-
-	return clk;
-}