1 // SPDX-License-Identifier: GPL-2.0+
11 #include <linux/clk-provider.h>
17 #include "clk.h"
52 	u32 csr;  in clk_pllv4_wait_lock()  local
54 	return readl_poll_timeout(pll->base  + PLL_CSR_OFFSET,  in clk_pllv4_wait_lock()
55 				  csr, csr & PLL_VLD, 0, LOCK_TIMEOUT_US);  in clk_pllv4_wait_lock()
62 	if (readl_relaxed(pll->base) & PLL_EN)  in clk_pllv4_is_prepared()
75 	mult = readl_relaxed(pll->base + PLL_CFG_OFFSET);  in clk_pllv4_recalc_rate()
79 	mfn = readl_relaxed(pll->base + PLL_NUM_OFFSET);  in clk_pllv4_recalc_rate()
80 	mfd = readl_relaxed(pll->base + PLL_DENOM_OFFSET);  in clk_pllv4_recalc_rate()
114 	temp64 = (u64)(rate - round_rate);  in clk_pllv4_round_rate()
158 		return -EINVAL;  in clk_pllv4_set_rate()
163 	temp64 = (u64)(rate - mult * parent_rate);  in clk_pllv4_set_rate()
168 	val = readl_relaxed(pll->base + PLL_CFG_OFFSET);  in clk_pllv4_set_rate()
171 	writel_relaxed(val, pll->base + PLL_CFG_OFFSET);  in clk_pllv4_set_rate()
173 	writel_relaxed(mfn, pll->base + PLL_NUM_OFFSET);  in clk_pllv4_set_rate()
174 	writel_relaxed(mfd, pll->base + PLL_DENOM_OFFSET);  in clk_pllv4_set_rate()
184 	val = readl_relaxed(pll->base);  in clk_pllv4_prepare()
186 	writel_relaxed(val, pll->base);  in clk_pllv4_prepare()
196 	val = readl_relaxed(pll->base);  in clk_pllv4_unprepare()
198 	writel_relaxed(val, pll->base);  in clk_pllv4_unprepare()
220 		return ERR_PTR(-ENOMEM);  in imx_clk_hw_pllv4()
222 	pll->base = base;  in imx_clk_hw_pllv4()
230 	pll->hw.init = &init;  in imx_clk_hw_pllv4()
232 	hw = &pll->hw;  in imx_clk_hw_pllv4()