80 static inline void img_pwm_writel(struct img_pwm_chip *imgchip,  in img_pwm_writel()  argument
83 	writel(val, imgchip->base + reg);  in img_pwm_writel()
86 static inline u32 img_pwm_readl(struct img_pwm_chip *imgchip, u32 reg)  in img_pwm_readl()  argument
88 	return readl(imgchip->base + reg);  in img_pwm_readl()
96 	struct img_pwm_chip *imgchip = to_img_pwm_chip(chip);  in img_pwm_config()  local
97 	unsigned int max_timebase = imgchip->data->max_timebase;  in img_pwm_config()
100 	if (period_ns < imgchip->min_period_ns ||  in img_pwm_config()
101 	    period_ns > imgchip->max_period_ns) {  in img_pwm_config()
106 	input_clk_hz = clk_get_rate(imgchip->pwm_clk);  in img_pwm_config()
134 	val = img_pwm_readl(imgchip, PWM_CTRL_CFG);  in img_pwm_config()
138 	img_pwm_writel(imgchip, PWM_CTRL_CFG, val);  in img_pwm_config()
142 	img_pwm_writel(imgchip, PWM_CH_CFG(pwm->hwpwm), val);  in img_pwm_config()
153 	struct img_pwm_chip *imgchip = to_img_pwm_chip(chip);  in img_pwm_enable()  local
160 	val = img_pwm_readl(imgchip, PWM_CTRL_CFG);  in img_pwm_enable()
162 	img_pwm_writel(imgchip, PWM_CTRL_CFG, val);  in img_pwm_enable()
164 	regmap_clear_bits(imgchip->periph_regs, PERIP_PWM_PDM_CONTROL,  in img_pwm_enable()
174 	struct img_pwm_chip *imgchip = to_img_pwm_chip(chip);  in img_pwm_disable()  local
176 	val = img_pwm_readl(imgchip, PWM_CTRL_CFG);  in img_pwm_disable()
178 	img_pwm_writel(imgchip, PWM_CTRL_CFG, val);  in img_pwm_disable()
229 	struct img_pwm_chip *imgchip = dev_get_drvdata(dev);  in img_pwm_runtime_suspend()  local
231 	clk_disable_unprepare(imgchip->pwm_clk);  in img_pwm_runtime_suspend()
232 	clk_disable_unprepare(imgchip->sys_clk);  in img_pwm_runtime_suspend()
239 	struct img_pwm_chip *imgchip = dev_get_drvdata(dev);  in img_pwm_runtime_resume()  local
242 	ret = clk_prepare_enable(imgchip->sys_clk);  in img_pwm_runtime_resume()
248 	ret = clk_prepare_enable(imgchip->pwm_clk);  in img_pwm_runtime_resume()
251 		clk_disable_unprepare(imgchip->sys_clk);  in img_pwm_runtime_resume()
263 	struct img_pwm_chip *imgchip;  in img_pwm_probe()  local
266 	imgchip = devm_kzalloc(&pdev->dev, sizeof(*imgchip), GFP_KERNEL);  in img_pwm_probe()
267 	if (!imgchip)  in img_pwm_probe()
270 	imgchip->dev = &pdev->dev;  in img_pwm_probe()
272 	imgchip->base = devm_platform_ioremap_resource(pdev, 0);  in img_pwm_probe()
273 	if (IS_ERR(imgchip->base))  in img_pwm_probe()
274 		return PTR_ERR(imgchip->base);  in img_pwm_probe()
279 	imgchip->data = of_dev_id->data;  in img_pwm_probe()
281 	imgchip->periph_regs = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,  in img_pwm_probe()
283 	if (IS_ERR(imgchip->periph_regs))  in img_pwm_probe()
284 		return PTR_ERR(imgchip->periph_regs);  in img_pwm_probe()
286 	imgchip->sys_clk = devm_clk_get(&pdev->dev, "sys");  in img_pwm_probe()
287 	if (IS_ERR(imgchip->sys_clk)) {  in img_pwm_probe()
289 		return PTR_ERR(imgchip->sys_clk);  in img_pwm_probe()
292 	imgchip->pwm_clk = devm_clk_get(&pdev->dev, "pwm");  in img_pwm_probe()
293 	if (IS_ERR(imgchip->pwm_clk)) {  in img_pwm_probe()
295 		return PTR_ERR(imgchip->pwm_clk);  in img_pwm_probe()
298 	platform_set_drvdata(pdev, imgchip);  in img_pwm_probe()
309 	clk_rate = clk_get_rate(imgchip->pwm_clk);  in img_pwm_probe()
317 	val = (u64)NSEC_PER_SEC * 512 * imgchip->data->max_timebase;  in img_pwm_probe()
319 	imgchip->max_period_ns = val;  in img_pwm_probe()
323 	imgchip->min_period_ns = val;  in img_pwm_probe()
325 	imgchip->chip.dev = &pdev->dev;  in img_pwm_probe()
326 	imgchip->chip.ops = &img_pwm_ops;  in img_pwm_probe()
327 	imgchip->chip.npwm = IMG_PWM_NPWM;  in img_pwm_probe()
329 	ret = pwmchip_add(&imgchip->chip);  in img_pwm_probe()
348 	struct img_pwm_chip *imgchip = platform_get_drvdata(pdev);  in img_pwm_remove()  local
354 	pwmchip_remove(&imgchip->chip);  in img_pwm_remove()
360 	struct img_pwm_chip *imgchip = dev_get_drvdata(dev);  in img_pwm_suspend()  local
369 	for (i = 0; i < imgchip->chip.npwm; i++)  in img_pwm_suspend()
370 		imgchip->suspend_ch_cfg[i] = img_pwm_readl(imgchip,  in img_pwm_suspend()
373 	imgchip->suspend_ctrl_cfg = img_pwm_readl(imgchip, PWM_CTRL_CFG);  in img_pwm_suspend()
382 	struct img_pwm_chip *imgchip = dev_get_drvdata(dev);  in img_pwm_resume()  local
390 	for (i = 0; i < imgchip->chip.npwm; i++)  in img_pwm_resume()
391 		img_pwm_writel(imgchip, PWM_CH_CFG(i),  in img_pwm_resume()
392 			       imgchip->suspend_ch_cfg[i]);  in img_pwm_resume()
394 	img_pwm_writel(imgchip, PWM_CTRL_CFG, imgchip->suspend_ctrl_cfg);  in img_pwm_resume()
396 	for (i = 0; i < imgchip->chip.npwm; i++)  in img_pwm_resume()
397 		if (imgchip->suspend_ctrl_cfg & BIT(i))  in img_pwm_resume()
398 			regmap_clear_bits(imgchip->periph_regs,  in img_pwm_resume()