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, 266 deletions

diff --git a/arch/arm/mach-imx/clk-pllv2.c b/arch/arm/mach-imx/clk-pllv2.c
deleted file mode 100644
index 20889d59b44d..000000000000
--- a/arch/arm/mach-imx/clk-pllv2.c
+++ /dev/null
@@ -1,266 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-
-#include <asm/div64.h>
-
-#include "clk.h"
-
-#define to_clk_pllv2(clk) (container_of(clk, struct clk_pllv2, clk))
-
-/* PLL Register Offsets */
-#define MXC_PLL_DP_CTL			0x00
-#define MXC_PLL_DP_CONFIG		0x04
-#define MXC_PLL_DP_OP			0x08
-#define MXC_PLL_DP_MFD			0x0C
-#define MXC_PLL_DP_MFN			0x10
-#define MXC_PLL_DP_MFNMINUS		0x14
-#define MXC_PLL_DP_MFNPLUS		0x18
-#define MXC_PLL_DP_HFS_OP		0x1C
-#define MXC_PLL_DP_HFS_MFD		0x20
-#define MXC_PLL_DP_HFS_MFN		0x24
-#define MXC_PLL_DP_MFN_TOGC		0x28
-#define MXC_PLL_DP_DESTAT		0x2c
-
-/* PLL Register Bit definitions */
-#define MXC_PLL_DP_CTL_MUL_CTRL		0x2000
-#define MXC_PLL_DP_CTL_DPDCK0_2_EN	0x1000
-#define MXC_PLL_DP_CTL_DPDCK0_2_OFFSET	12
-#define MXC_PLL_DP_CTL_ADE		0x800
-#define MXC_PLL_DP_CTL_REF_CLK_DIV	0x400
-#define MXC_PLL_DP_CTL_REF_CLK_SEL_MASK	(3 << 8)
-#define MXC_PLL_DP_CTL_REF_CLK_SEL_OFFSET	8
-#define MXC_PLL_DP_CTL_HFSM		0x80
-#define MXC_PLL_DP_CTL_PRE		0x40
-#define MXC_PLL_DP_CTL_UPEN		0x20
-#define MXC_PLL_DP_CTL_RST		0x10
-#define MXC_PLL_DP_CTL_RCP		0x8
-#define MXC_PLL_DP_CTL_PLM		0x4
-#define MXC_PLL_DP_CTL_BRM0		0x2
-#define MXC_PLL_DP_CTL_LRF		0x1
-
-#define MXC_PLL_DP_CONFIG_BIST		0x8
-#define MXC_PLL_DP_CONFIG_SJC_CE	0x4
-#define MXC_PLL_DP_CONFIG_AREN		0x2
-#define MXC_PLL_DP_CONFIG_LDREQ		0x1
-
-#define MXC_PLL_DP_OP_MFI_OFFSET	4
-#define MXC_PLL_DP_OP_MFI_MASK		(0xF << 4)
-#define MXC_PLL_DP_OP_PDF_OFFSET	0
-#define MXC_PLL_DP_OP_PDF_MASK		0xF
-
-#define MXC_PLL_DP_MFD_OFFSET		0
-#define MXC_PLL_DP_MFD_MASK		0x07FFFFFF
-
-#define MXC_PLL_DP_MFN_OFFSET		0x0
-#define MXC_PLL_DP_MFN_MASK		0x07FFFFFF
-
-#define MXC_PLL_DP_MFN_TOGC_TOG_DIS	(1 << 17)
-#define MXC_PLL_DP_MFN_TOGC_TOG_EN	(1 << 16)
-#define MXC_PLL_DP_MFN_TOGC_CNT_OFFSET	0x0
-#define MXC_PLL_DP_MFN_TOGC_CNT_MASK	0xFFFF
-
-#define MXC_PLL_DP_DESTAT_TOG_SEL	(1 << 31)
-#define MXC_PLL_DP_DESTAT_MFN		0x07FFFFFF
-
-#define MAX_DPLL_WAIT_TRIES	1000 /* 1000 * udelay(1) = 1ms */
-
-struct clk_pllv2 {
-	struct clk_hw	hw;
-	void __iomem	*base;
-};
-
-static unsigned long __clk_pllv2_recalc_rate(unsigned long parent_rate,
-		u32 dp_ctl, u32 dp_op, u32 dp_mfd, u32 dp_mfn)
-{
-	long mfi, mfn, mfd, pdf, ref_clk, mfn_abs;
-	unsigned long dbl;
-	s64 temp;
-
-	dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN;
-
-	pdf = dp_op & MXC_PLL_DP_OP_PDF_MASK;
-	mfi = (dp_op & MXC_PLL_DP_OP_MFI_MASK) >> MXC_PLL_DP_OP_MFI_OFFSET;
-	mfi = (mfi <= 5) ? 5 : mfi;
-	mfd = dp_mfd & MXC_PLL_DP_MFD_MASK;
-	mfn = mfn_abs = dp_mfn & MXC_PLL_DP_MFN_MASK;
-	/* Sign extend to 32-bits */
-	if (mfn >= 0x04000000) {
-		mfn |= 0xFC000000;
-		mfn_abs = -mfn;
-	}
-
-	ref_clk = 2 * parent_rate;
-	if (dbl != 0)
-		ref_clk *= 2;
-
-	ref_clk /= (pdf + 1);
-	temp = (u64) ref_clk * mfn_abs;
-	do_div(temp, mfd + 1);
-	if (mfn < 0)
-		temp = -temp;
-	temp = (ref_clk * mfi) + temp;
-
-	return temp;
-}
-
-static unsigned long clk_pllv2_recalc_rate(struct clk_hw *hw,
-		unsigned long parent_rate)
-{
-	u32 dp_op, dp_mfd, dp_mfn, dp_ctl;
-	void __iomem *pllbase;
-	struct clk_pllv2 *pll = to_clk_pllv2(hw);
-
-	pllbase = pll->base;
-
-	dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
-	dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP);
-	dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD);
-	dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN);
-
-	return __clk_pllv2_recalc_rate(parent_rate, dp_ctl, dp_op, dp_mfd, dp_mfn);
-}
-
-static int __clk_pllv2_set_rate(unsigned long rate, unsigned long parent_rate,
-		u32 *dp_op, u32 *dp_mfd, u32 *dp_mfn)
-{
-	u32 reg;
-	long mfi, pdf, mfn, mfd = 999999;
-	s64 temp64;
-	unsigned long quad_parent_rate;
-
-	quad_parent_rate = 4 * parent_rate;
-	pdf = mfi = -1;
-	while (++pdf < 16 && mfi < 5)
-		mfi = rate * (pdf+1) / quad_parent_rate;
-	if (mfi > 15)
-		return -EINVAL;
-	pdf--;
-
-	temp64 = rate * (pdf + 1) - quad_parent_rate * mfi;
-	do_div(temp64, quad_parent_rate / 1000000);
-	mfn = (long)temp64;
-
-	reg = mfi << 4 | pdf;
-
-	*dp_op = reg;
-	*dp_mfd = mfd;
-	*dp_mfn = mfn;
-
-	return 0;
-}
-
-static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long parent_rate)
-{
-	struct clk_pllv2 *pll = to_clk_pllv2(hw);
-	void __iomem *pllbase;
-	u32 dp_ctl, dp_op, dp_mfd, dp_mfn;
-	int ret;
-
-	pllbase = pll->base;
-
-
-	ret = __clk_pllv2_set_rate(rate, parent_rate, &dp_op, &dp_mfd, &dp_mfn);
-	if (ret)
-		return ret;
-
-	dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
-	/* use dpdck0_2 */
-	__raw_writel(dp_ctl | 0x1000L, pllbase + MXC_PLL_DP_CTL);
-
-	__raw_writel(dp_op, pllbase + MXC_PLL_DP_OP);
-	__raw_writel(dp_mfd, pllbase + MXC_PLL_DP_MFD);
-	__raw_writel(dp_mfn, pllbase + MXC_PLL_DP_MFN);
-
-	return 0;
-}
-
-static long clk_pllv2_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *prate)
-{
-	u32 dp_op, dp_mfd, dp_mfn;
-
-	__clk_pllv2_set_rate(rate, *prate, &dp_op, &dp_mfd, &dp_mfn);
-	return __clk_pllv2_recalc_rate(*prate, MXC_PLL_DP_CTL_DPDCK0_2_EN,
-			dp_op, dp_mfd, dp_mfn);
-}
-
-static int clk_pllv2_prepare(struct clk_hw *hw)
-{
-	struct clk_pllv2 *pll = to_clk_pllv2(hw);
-	u32 reg;
-	void __iomem *pllbase;
-	int i = 0;
-
-	pllbase = pll->base;
-	reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) | MXC_PLL_DP_CTL_UPEN;
-	__raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
-
-	/* Wait for lock */
-	do {
-		reg = __raw_readl(pllbase + MXC_PLL_DP_CTL);
-		if (reg & MXC_PLL_DP_CTL_LRF)
-			break;
-
-		udelay(1);
-	} while (++i < MAX_DPLL_WAIT_TRIES);
-
-	if (i == MAX_DPLL_WAIT_TRIES) {
-		pr_err("MX5: pll locking failed\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static void clk_pllv2_unprepare(struct clk_hw *hw)
-{
-	struct clk_pllv2 *pll = to_clk_pllv2(hw);
-	u32 reg;
-	void __iomem *pllbase;
-
-	pllbase = pll->base;
-	reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) & ~MXC_PLL_DP_CTL_UPEN;
-	__raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
-}
-
-static struct clk_ops clk_pllv2_ops = {
-	.prepare = clk_pllv2_prepare,
-	.unprepare = clk_pllv2_unprepare,
-	.recalc_rate = clk_pllv2_recalc_rate,
-	.round_rate = clk_pllv2_round_rate,
-	.set_rate = clk_pllv2_set_rate,
-};
-
-struct clk *imx_clk_pllv2(const char *name, const char *parent,
-		void __iomem *base)
-{
-	struct clk_pllv2 *pll;
-	struct clk *clk;
-	struct clk_init_data init;
-
-	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
-	if (!pll)
-		return ERR_PTR(-ENOMEM);
-
-	pll->base = base;
-
-	init.name = name;
-	init.ops = &clk_pllv2_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;
-}