1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com/
18 	struct dss_pll pll;  member
30 	REG_MOD(vpll->clkctrl_base, 1, 14, 14); /* CIO_CLK_ICG */  in dss_dpll_enable_scp_clk()
35 	REG_MOD(vpll->clkctrl_base, 0, 14, 14); /* CIO_CLK_ICG */  in dss_dpll_disable_scp_clk()
40 	REG_MOD(vpll->clkctrl_base, 2, 31, 30); /* PLL_POWER_ON_ALL */  in dss_dpll_power_enable()
43 	 * DRA7x PLL CTRL's PLL_PWR_STATUS seems to always return 0,  in dss_dpll_power_enable()
46 	msleep(1);  in dss_dpll_power_enable()
51 	REG_MOD(vpll->clkctrl_base, 0, 31, 30);	/* PLL_POWER_OFF */  in dss_dpll_power_disable()
54 static int dss_video_pll_enable(struct dss_pll *pll)  in dss_video_pll_enable()  argument
56 	struct dss_video_pll *vpll = container_of(pll, struct dss_video_pll, pll);  in dss_video_pll_enable()
59 	r = dss_runtime_get(pll->dss);  in dss_video_pll_enable()
63 	dss_ctrl_pll_enable(pll, true);  in dss_video_pll_enable()
67 	r = dss_pll_wait_reset_done(pll);  in dss_video_pll_enable()
77 	dss_ctrl_pll_enable(pll, false);  in dss_video_pll_enable()
78 	dss_runtime_put(pll->dss);  in dss_video_pll_enable()
83 static void dss_video_pll_disable(struct dss_pll *pll)  in dss_video_pll_disable()  argument
85 	struct dss_video_pll *vpll = container_of(pll, struct dss_video_pll, pll);  in dss_video_pll_disable()
91 	dss_ctrl_pll_enable(pll, false);  in dss_video_pll_disable()
93 	dss_runtime_put(pll->dss);  in dss_video_pll_disable()
105 	.n_max = (1 << 8) - 1,
106 	.m_max = (1 << 12) - 1,
107 	.mX_max = (1 << 5) - 1,
113 	.n_lsb = 1,
119 	.mX_msb[1] = 30,
120 	.mX_lsb[1] = 26,
143 	struct dss_pll *pll;  in dss_video_pll_init()  local
146 	/* PLL CONTROL */  in dss_video_pll_init()
160 	clk = devm_clk_get(&pdev->dev, clkin_name[id]);  in dss_video_pll_init()
162 		DSSERR("can't get video pll clkin\n");  in dss_video_pll_init()
166 	vpll = devm_kzalloc(&pdev->dev, sizeof(*vpll), GFP_KERNEL);  in dss_video_pll_init()
168 		return ERR_PTR(-ENOMEM);  in dss_video_pll_init()
170 	vpll->dev = &pdev->dev;  in dss_video_pll_init()
171 	vpll->clkctrl_base = clkctrl_base;  in dss_video_pll_init()
173 	pll = &vpll->pll;  in dss_video_pll_init()
175 	pll->name = id == 0 ? "video0" : "video1";  in dss_video_pll_init()
176 	pll->id = id == 0 ? DSS_PLL_VIDEO1 : DSS_PLL_VIDEO2;  in dss_video_pll_init()
177 	pll->clkin = clk;  in dss_video_pll_init()
178 	pll->regulator = regulator;  in dss_video_pll_init()
179 	pll->base = pll_base;  in dss_video_pll_init()
180 	pll->hw = &dss_dra7_video_pll_hw;  in dss_video_pll_init()
181 	pll->ops = &dss_pll_ops;  in dss_video_pll_init()
183 	r = dss_pll_register(dss, pll);  in dss_video_pll_init()
187 	return pll;  in dss_video_pll_init()
190 void dss_video_pll_uninit(struct dss_pll *pll)  in dss_video_pll_uninit()  argument
192 	dss_pll_unregister(pll);  in dss_video_pll_uninit()