55 static void mtk_disp_pwm_update_bits(struct mtk_disp_pwm *mdp, u32 offset,  in mtk_disp_pwm_update_bits()  argument
58 	void __iomem *address = mdp->base + offset;  in mtk_disp_pwm_update_bits()
70 	struct mtk_disp_pwm *mdp = to_mtk_disp_pwm(chip);  in mtk_disp_pwm_config()  local
85 	rate = clk_get_rate(mdp->clk_main);  in mtk_disp_pwm_config()
99 	err = clk_enable(mdp->clk_main);  in mtk_disp_pwm_config()
103 	err = clk_enable(mdp->clk_mm);  in mtk_disp_pwm_config()
105 		clk_disable(mdp->clk_main);  in mtk_disp_pwm_config()
109 	mtk_disp_pwm_update_bits(mdp, DISP_PWM_CON_0, PWM_CLKDIV_MASK,  in mtk_disp_pwm_config()
111 	mtk_disp_pwm_update_bits(mdp, DISP_PWM_CON_1,  in mtk_disp_pwm_config()
113 	mtk_disp_pwm_update_bits(mdp, DISP_PWM_COMMIT, PWM_COMMIT_MASK, 1);  in mtk_disp_pwm_config()
114 	mtk_disp_pwm_update_bits(mdp, DISP_PWM_COMMIT, PWM_COMMIT_MASK, 0);  in mtk_disp_pwm_config()
116 	clk_disable(mdp->clk_mm);  in mtk_disp_pwm_config()
117 	clk_disable(mdp->clk_main);  in mtk_disp_pwm_config()
124 	struct mtk_disp_pwm *mdp = to_mtk_disp_pwm(chip);  in mtk_disp_pwm_enable()  local
127 	err = clk_enable(mdp->clk_main);  in mtk_disp_pwm_enable()
131 	err = clk_enable(mdp->clk_mm);  in mtk_disp_pwm_enable()
133 		clk_disable(mdp->clk_main);  in mtk_disp_pwm_enable()
137 	mtk_disp_pwm_update_bits(mdp, DISP_PWM_EN, PWM_ENABLE_MASK, 1);  in mtk_disp_pwm_enable()
144 	struct mtk_disp_pwm *mdp = to_mtk_disp_pwm(chip);  in mtk_disp_pwm_disable()  local
146 	mtk_disp_pwm_update_bits(mdp, DISP_PWM_EN, PWM_ENABLE_MASK, 0);  in mtk_disp_pwm_disable()
148 	clk_disable(mdp->clk_mm);  in mtk_disp_pwm_disable()
149 	clk_disable(mdp->clk_main);  in mtk_disp_pwm_disable()
161 	struct mtk_disp_pwm *mdp;  in mtk_disp_pwm_probe()  local
165 	mdp = devm_kzalloc(&pdev->dev, sizeof(*mdp), GFP_KERNEL);  in mtk_disp_pwm_probe()
166 	if (!mdp)  in mtk_disp_pwm_probe()
170 	mdp->base = devm_ioremap_resource(&pdev->dev, r);  in mtk_disp_pwm_probe()
171 	if (IS_ERR(mdp->base))  in mtk_disp_pwm_probe()
172 		return PTR_ERR(mdp->base);  in mtk_disp_pwm_probe()
174 	mdp->clk_main = devm_clk_get(&pdev->dev, "main");  in mtk_disp_pwm_probe()
175 	if (IS_ERR(mdp->clk_main))  in mtk_disp_pwm_probe()
176 		return PTR_ERR(mdp->clk_main);  in mtk_disp_pwm_probe()
178 	mdp->clk_mm = devm_clk_get(&pdev->dev, "mm");  in mtk_disp_pwm_probe()
179 	if (IS_ERR(mdp->clk_mm))  in mtk_disp_pwm_probe()
180 		return PTR_ERR(mdp->clk_mm);  in mtk_disp_pwm_probe()
182 	ret = clk_prepare(mdp->clk_main);  in mtk_disp_pwm_probe()
186 	ret = clk_prepare(mdp->clk_mm);  in mtk_disp_pwm_probe()
190 	mdp->chip.dev = &pdev->dev;  in mtk_disp_pwm_probe()
191 	mdp->chip.ops = &mtk_disp_pwm_ops;  in mtk_disp_pwm_probe()
192 	mdp->chip.base = -1;  in mtk_disp_pwm_probe()
193 	mdp->chip.npwm = 1;  in mtk_disp_pwm_probe()
195 	ret = pwmchip_add(&mdp->chip);  in mtk_disp_pwm_probe()
201 	platform_set_drvdata(pdev, mdp);  in mtk_disp_pwm_probe()
206 	clk_unprepare(mdp->clk_mm);  in mtk_disp_pwm_probe()
208 	clk_unprepare(mdp->clk_main);  in mtk_disp_pwm_probe()
214 	struct mtk_disp_pwm *mdp = platform_get_drvdata(pdev);  in mtk_disp_pwm_remove()  local
217 	ret = pwmchip_remove(&mdp->chip);  in mtk_disp_pwm_remove()
218 	clk_unprepare(mdp->clk_mm);  in mtk_disp_pwm_remove()
219 	clk_unprepare(mdp->clk_main);  in mtk_disp_pwm_remove()