53 	struct mxs_pwm_chip *mxs = to_mxs_pwm_chip(chip);  in mxs_pwm_config()  local
59 	rate = clk_get_rate(mxs->clk);  in mxs_pwm_config()
81 		ret = clk_prepare_enable(mxs->clk);  in mxs_pwm_config()
87 			mxs->base + PWM_ACTIVE0 + pwm->hwpwm * 0x20);  in mxs_pwm_config()
90 			mxs->base + PWM_PERIOD0 + pwm->hwpwm * 0x20);  in mxs_pwm_config()
96 		clk_disable_unprepare(mxs->clk);  in mxs_pwm_config()
103 	struct mxs_pwm_chip *mxs = to_mxs_pwm_chip(chip);  in mxs_pwm_enable()  local
106 	ret = clk_prepare_enable(mxs->clk);  in mxs_pwm_enable()
110 	writel(1 << pwm->hwpwm, mxs->base + PWM_CTRL + SET);  in mxs_pwm_enable()
117 	struct mxs_pwm_chip *mxs = to_mxs_pwm_chip(chip);  in mxs_pwm_disable()  local
119 	writel(1 << pwm->hwpwm, mxs->base + PWM_CTRL + CLR);  in mxs_pwm_disable()
121 	clk_disable_unprepare(mxs->clk);  in mxs_pwm_disable()
134 	struct mxs_pwm_chip *mxs;  in mxs_pwm_probe()  local
138 	mxs = devm_kzalloc(&pdev->dev, sizeof(*mxs), GFP_KERNEL);  in mxs_pwm_probe()
139 	if (!mxs)  in mxs_pwm_probe()
143 	mxs->base = devm_ioremap_resource(&pdev->dev, res);  in mxs_pwm_probe()
144 	if (IS_ERR(mxs->base))  in mxs_pwm_probe()
145 		return PTR_ERR(mxs->base);  in mxs_pwm_probe()
147 	mxs->clk = devm_clk_get(&pdev->dev, NULL);  in mxs_pwm_probe()
148 	if (IS_ERR(mxs->clk))  in mxs_pwm_probe()
149 		return PTR_ERR(mxs->clk);  in mxs_pwm_probe()
151 	mxs->chip.dev = &pdev->dev;  in mxs_pwm_probe()
152 	mxs->chip.ops = &mxs_pwm_ops;  in mxs_pwm_probe()
153 	mxs->chip.base = -1;  in mxs_pwm_probe()
154 	mxs->chip.can_sleep = true;  in mxs_pwm_probe()
155 	ret = of_property_read_u32(np, "fsl,pwm-number", &mxs->chip.npwm);  in mxs_pwm_probe()
161 	ret = pwmchip_add(&mxs->chip);  in mxs_pwm_probe()
167 	platform_set_drvdata(pdev, mxs);  in mxs_pwm_probe()
169 	ret = stmp_reset_block(mxs->base);  in mxs_pwm_probe()
176 	pwmchip_remove(&mxs->chip);  in mxs_pwm_probe()
182 	struct mxs_pwm_chip *mxs = platform_get_drvdata(pdev);  in mxs_pwm_remove()  local
184 	return pwmchip_remove(&mxs->chip);  in mxs_pwm_remove()