65 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_get_state()  local
66 	u64 prescaled_ns = (u64)pc->data->prescaler * NSEC_PER_SEC;  in rockchip_pwm_get_state()
67 	u32 enable_conf = pc->data->enable_conf;  in rockchip_pwm_get_state()
73 	ret = clk_enable(pc->pclk);  in rockchip_pwm_get_state()
77 	ret = clk_enable(pc->clk);  in rockchip_pwm_get_state()
81 	clk_rate = clk_get_rate(pc->clk);  in rockchip_pwm_get_state()
83 	tmp = readl_relaxed(pc->base + pc->data->regs.period);  in rockchip_pwm_get_state()
87 	tmp = readl_relaxed(pc->base + pc->data->regs.duty);  in rockchip_pwm_get_state()
91 	val = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_get_state()
94 	if (pc->data->supports_polarity && !(val & PWM_DUTY_POSITIVE))  in rockchip_pwm_get_state()
99 	clk_disable(pc->clk);  in rockchip_pwm_get_state()
100 	clk_disable(pc->pclk);  in rockchip_pwm_get_state()
108 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_config()  local
109 	u64 prescaled_ns = (u64)pc->data->prescaler * NSEC_PER_SEC;  in rockchip_pwm_config()
114 	clk_rate = clk_get_rate(pc->clk);  in rockchip_pwm_config()
135 	ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
136 	if (pc->data->supports_lock) {  in rockchip_pwm_config()
138 		writel_relaxed(ctrl, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
141 	writel(period_ticks, pc->base + pc->data->regs.period);  in rockchip_pwm_config()
142 	writel(duty_ticks, pc->base + pc->data->regs.duty);  in rockchip_pwm_config()
144 	if (pc->data->supports_polarity) {  in rockchip_pwm_config()
157 	if (pc->data->supports_lock)  in rockchip_pwm_config()
160 	writel(ctrl, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
167 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_enable()  local
168 	u32 enable_conf = pc->data->enable_conf;  in rockchip_pwm_enable()
173 		ret = clk_enable(pc->clk);  in rockchip_pwm_enable()
178 	val = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_enable()
185 	writel_relaxed(val, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_enable()
188 		clk_disable(pc->clk);  in rockchip_pwm_enable()
196 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_apply()  local
201 	ret = clk_enable(pc->pclk);  in rockchip_pwm_apply()
205 	ret = clk_enable(pc->clk);  in rockchip_pwm_apply()
213 	    !pc->data->supports_lock) {  in rockchip_pwm_apply()
228 	clk_disable(pc->clk);  in rockchip_pwm_apply()
229 	clk_disable(pc->pclk);  in rockchip_pwm_apply()
306 	struct rockchip_pwm_chip *pc;  in rockchip_pwm_probe()  local
311 	chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*pc));  in rockchip_pwm_probe()
314 	pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_probe()
316 	pc->base = devm_platform_ioremap_resource(pdev, 0);  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 			return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk),  in rockchip_pwm_probe()
331 		pc->pclk = devm_clk_get(&pdev->dev, "pclk");  in rockchip_pwm_probe()
333 		pc->pclk = pc->clk;  in rockchip_pwm_probe()
335 	if (IS_ERR(pc->pclk))  in rockchip_pwm_probe()
336 		return dev_err_probe(&pdev->dev, PTR_ERR(pc->pclk), "Can't get APB clk\n");  in rockchip_pwm_probe()
338 	ret = clk_prepare_enable(pc->clk);  in rockchip_pwm_probe()
342 	ret = clk_prepare_enable(pc->pclk);  in rockchip_pwm_probe()
350 	pc->data = device_get_match_data(&pdev->dev);  in rockchip_pwm_probe()
353 	enable_conf = pc->data->enable_conf;  in rockchip_pwm_probe()
354 	ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_probe()
365 		clk_disable(pc->clk);  in rockchip_pwm_probe()
367 	clk_disable(pc->pclk);  in rockchip_pwm_probe()
372 	clk_disable_unprepare(pc->pclk);  in rockchip_pwm_probe()
374 	clk_disable_unprepare(pc->clk);  in rockchip_pwm_probe()
382 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_remove()  local
386 	clk_unprepare(pc->pclk);  in rockchip_pwm_remove()
387 	clk_unprepare(pc->clk);  in rockchip_pwm_remove()