1 // SPDX-License-Identifier: GPL-2.0+
11 #include <linux/clk-provider.h>
17 #include "clk.h"
62 	u32 csr;  in clk_pllv4_wait_lock()  local
64 	return readl_poll_timeout(pll->base  + PLL_CSR_OFFSET,  in clk_pllv4_wait_lock()
65 				  csr, csr & PLL_VLD, 0, LOCK_TIMEOUT_US);  in clk_pllv4_wait_lock()
72 	if (readl_relaxed(pll->base) & PLL_EN)  in clk_pllv4_is_prepared()
85 	mult = readl_relaxed(pll->base + pll->cfg_offset);  in clk_pllv4_recalc_rate()
89 	mfn = readl_relaxed(pll->base + pll->num_offset);  in clk_pllv4_recalc_rate()
90 	mfd = readl_relaxed(pll->base + pll->denom_offset);  in clk_pllv4_recalc_rate()
109 	if (pll->use_mult_range) {  in clk_pllv4_round_rate()
137 	temp64 = (u64)(rate - round_rate);  in clk_pllv4_round_rate()
163 	if (pll->use_mult_range) {  in clk_pllv4_is_valid_mult()
187 		return -EINVAL;  in clk_pllv4_set_rate()
192 	temp64 = (u64)(rate - mult * parent_rate);  in clk_pllv4_set_rate()
197 	val = readl_relaxed(pll->base + pll->cfg_offset);  in clk_pllv4_set_rate()
200 	writel_relaxed(val, pll->base + pll->cfg_offset);  in clk_pllv4_set_rate()
202 	writel_relaxed(mfn, pll->base + pll->num_offset);  in clk_pllv4_set_rate()
203 	writel_relaxed(mfd, pll->base + pll->denom_offset);  in clk_pllv4_set_rate()
213 	val = readl_relaxed(pll->base);  in clk_pllv4_prepare()
215 	writel_relaxed(val, pll->base);  in clk_pllv4_prepare()
225 	val = readl_relaxed(pll->base);  in clk_pllv4_unprepare()
227 	writel_relaxed(val, pll->base);  in clk_pllv4_unprepare()
249 		return ERR_PTR(-ENOMEM);  in imx_clk_hw_pllv4()
251 	pll->base = base;  in imx_clk_hw_pllv4()
255 		pll->cfg_offset = IMX8ULP_PLL_CFG_OFFSET;  in imx_clk_hw_pllv4()
256 		pll->num_offset = IMX8ULP_PLL_NUM_OFFSET;  in imx_clk_hw_pllv4()
257 		pll->denom_offset = IMX8ULP_PLL_DENOM_OFFSET;  in imx_clk_hw_pllv4()
259 			pll->use_mult_range = true;  in imx_clk_hw_pllv4()
261 		pll->cfg_offset = PLL_CFG_OFFSET;  in imx_clk_hw_pllv4()
262 		pll->num_offset = PLL_NUM_OFFSET;  in imx_clk_hw_pllv4()
263 		pll->denom_offset = PLL_DENOM_OFFSET;  in imx_clk_hw_pllv4()
272 	pll->hw.init = &init;  in imx_clk_hw_pllv4()
274 	hw = &pll->hw;  in imx_clk_hw_pllv4()