67 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_get_state()  local
68 	u32 enable_conf = pc->data->enable_conf;  in rockchip_pwm_get_state()
74 	ret = clk_enable(pc->pclk);  in rockchip_pwm_get_state()
78 	clk_rate = clk_get_rate(pc->clk);  in rockchip_pwm_get_state()
80 	tmp = readl_relaxed(pc->base + pc->data->regs.period);  in rockchip_pwm_get_state()
81 	tmp *= pc->data->prescaler * NSEC_PER_SEC;  in rockchip_pwm_get_state()
84 	tmp = readl_relaxed(pc->base + pc->data->regs.duty);  in rockchip_pwm_get_state()
85 	tmp *= pc->data->prescaler * NSEC_PER_SEC;  in rockchip_pwm_get_state()
88 	val = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_get_state()
89 	if (pc->data->supports_polarity)  in rockchip_pwm_get_state()
96 	if (pc->data->supports_polarity) {  in rockchip_pwm_get_state()
101 	clk_disable(pc->pclk);  in rockchip_pwm_get_state()
107 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_config()  local
112 	clk_rate = clk_get_rate(pc->clk);  in rockchip_pwm_config()
121 				       pc->data->prescaler * NSEC_PER_SEC);  in rockchip_pwm_config()
124 	duty = DIV_ROUND_CLOSEST_ULL(div, pc->data->prescaler * NSEC_PER_SEC);  in rockchip_pwm_config()
130 	ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
131 	if (pc->data->supports_lock) {  in rockchip_pwm_config()
133 		writel_relaxed(ctrl, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
136 	writel(period, pc->base + pc->data->regs.period);  in rockchip_pwm_config()
137 	writel(duty, pc->base + pc->data->regs.duty);  in rockchip_pwm_config()
139 	if (pc->data->supports_polarity) {  in rockchip_pwm_config()
152 	if (pc->data->supports_lock)  in rockchip_pwm_config()
155 	writel(ctrl, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
162 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_enable()  local
163 	u32 enable_conf = pc->data->enable_conf;  in rockchip_pwm_enable()
168 		ret = clk_enable(pc->clk);  in rockchip_pwm_enable()
173 	val = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_enable()
180 	writel_relaxed(val, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_enable()
183 		clk_disable(pc->clk);  in rockchip_pwm_enable()
191 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_apply()  local
196 	ret = clk_enable(pc->pclk);  in rockchip_pwm_apply()
204 	    !pc->data->supports_lock) {  in rockchip_pwm_apply()
225 	clk_disable(pc->pclk);  in rockchip_pwm_apply()
303 	struct rockchip_pwm_chip *pc;  in rockchip_pwm_probe()  local
311 	pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);  in rockchip_pwm_probe()
312 	if (!pc)  in rockchip_pwm_probe()
316 	pc->base = devm_ioremap_resource(&pdev->dev, r);  in rockchip_pwm_probe()
317 	if (IS_ERR(pc->base))  in rockchip_pwm_probe()
318 		return PTR_ERR(pc->base);  in rockchip_pwm_probe()
320 	pc->clk = devm_clk_get(&pdev->dev, "pwm");  in rockchip_pwm_probe()
321 	if (IS_ERR(pc->clk)) {  in rockchip_pwm_probe()
322 		pc->clk = devm_clk_get(&pdev->dev, NULL);  in rockchip_pwm_probe()
323 		if (IS_ERR(pc->clk)) {  in rockchip_pwm_probe()
324 			ret = PTR_ERR(pc->clk);  in rockchip_pwm_probe()
335 		pc->pclk = devm_clk_get(&pdev->dev, "pclk");  in rockchip_pwm_probe()
337 		pc->pclk = pc->clk;  in rockchip_pwm_probe()
339 	if (IS_ERR(pc->pclk)) {  in rockchip_pwm_probe()
340 		ret = PTR_ERR(pc->pclk);  in rockchip_pwm_probe()
346 	ret = clk_prepare_enable(pc->clk);  in rockchip_pwm_probe()
352 	ret = clk_prepare(pc->pclk);  in rockchip_pwm_probe()
358 	platform_set_drvdata(pdev, pc);  in rockchip_pwm_probe()
360 	pc->data = id->data;  in rockchip_pwm_probe()
361 	pc->chip.dev = &pdev->dev;  in rockchip_pwm_probe()
362 	pc->chip.ops = &rockchip_pwm_ops;  in rockchip_pwm_probe()
363 	pc->chip.base = -1;  in rockchip_pwm_probe()
364 	pc->chip.npwm = 1;  in rockchip_pwm_probe()
366 	if (pc->data->supports_polarity) {  in rockchip_pwm_probe()
367 		pc->chip.of_xlate = of_pwm_xlate_with_flags;  in rockchip_pwm_probe()
368 		pc->chip.of_pwm_n_cells = 3;  in rockchip_pwm_probe()
371 	ret = pwmchip_add(&pc->chip);  in rockchip_pwm_probe()
373 		clk_unprepare(pc->clk);  in rockchip_pwm_probe()
379 	if (!pwm_is_enabled(pc->chip.pwms))  in rockchip_pwm_probe()
380 		clk_disable(pc->clk);  in rockchip_pwm_probe()
385 	clk_unprepare(pc->pclk);  in rockchip_pwm_probe()
387 	clk_disable_unprepare(pc->clk);  in rockchip_pwm_probe()
394 	struct rockchip_pwm_chip *pc = platform_get_drvdata(pdev);  in rockchip_pwm_remove()  local
407 	if (pwm_is_enabled(pc->chip.pwms))  in rockchip_pwm_remove()
408 		clk_disable(pc->clk);  in rockchip_pwm_remove()
410 	clk_unprepare(pc->pclk);  in rockchip_pwm_remove()
411 	clk_unprepare(pc->clk);  in rockchip_pwm_remove()
413 	return pwmchip_remove(&pc->chip);  in rockchip_pwm_remove()