79 static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,  in tegra_pwm_config()  argument
129 	if (!pwm_is_enabled(pwm)) {  in tegra_pwm_config()
136 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_config()
141 	if (!pwm_is_enabled(pwm))  in tegra_pwm_config()
147 static int tegra_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)  in tegra_pwm_enable()  argument
157 	val = pwm_readl(pc, pwm->hwpwm);  in tegra_pwm_enable()
159 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_enable()
164 static void tegra_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)  in tegra_pwm_disable()  argument
169 	val = pwm_readl(pc, pwm->hwpwm);  in tegra_pwm_disable()
171 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_disable()
185 	struct tegra_pwm_chip *pwm;  in tegra_pwm_probe()  local
189 	pwm = devm_kzalloc(&pdev->dev, sizeof(*pwm), GFP_KERNEL);  in tegra_pwm_probe()
190 	if (!pwm)  in tegra_pwm_probe()
193 	pwm->soc = of_device_get_match_data(&pdev->dev);  in tegra_pwm_probe()
194 	pwm->dev = &pdev->dev;  in tegra_pwm_probe()
197 	pwm->regs = devm_ioremap_resource(&pdev->dev, r);  in tegra_pwm_probe()
198 	if (IS_ERR(pwm->regs))  in tegra_pwm_probe()
199 		return PTR_ERR(pwm->regs);  in tegra_pwm_probe()
201 	platform_set_drvdata(pdev, pwm);  in tegra_pwm_probe()
203 	pwm->clk = devm_clk_get(&pdev->dev, NULL);  in tegra_pwm_probe()
204 	if (IS_ERR(pwm->clk))  in tegra_pwm_probe()
205 		return PTR_ERR(pwm->clk);  in tegra_pwm_probe()
208 	ret = clk_set_rate(pwm->clk, pwm->soc->max_frequency);  in tegra_pwm_probe()
219 	pwm->clk_rate = clk_get_rate(pwm->clk);  in tegra_pwm_probe()
221 	pwm->rst = devm_reset_control_get_exclusive(&pdev->dev, "pwm");  in tegra_pwm_probe()
222 	if (IS_ERR(pwm->rst)) {  in tegra_pwm_probe()
223 		ret = PTR_ERR(pwm->rst);  in tegra_pwm_probe()
228 	reset_control_deassert(pwm->rst);  in tegra_pwm_probe()
230 	pwm->chip.dev = &pdev->dev;  in tegra_pwm_probe()
231 	pwm->chip.ops = &tegra_pwm_ops;  in tegra_pwm_probe()
232 	pwm->chip.base = -1;  in tegra_pwm_probe()
233 	pwm->chip.npwm = pwm->soc->num_channels;  in tegra_pwm_probe()
235 	ret = pwmchip_add(&pwm->chip);  in tegra_pwm_probe()
238 		reset_control_assert(pwm->rst);  in tegra_pwm_probe()
259 		struct pwm_device *pwm = &pc->chip.pwms[i];  in tegra_pwm_remove()  local
261 		if (!pwm_is_enabled(pwm))  in tegra_pwm_remove()