79 static void kona_pwmc_apply_settings(struct kona_pwmc *kp, unsigned int chan)  in kona_pwmc_apply_settings()  argument
81 	unsigned int value = readl(kp->base + PWM_CONTROL_OFFSET);  in kona_pwmc_apply_settings()
86 	writel(value, kp->base + PWM_CONTROL_OFFSET);  in kona_pwmc_apply_settings()
91 	writel(value, kp->base + PWM_CONTROL_OFFSET);  in kona_pwmc_apply_settings()
97 	struct kona_pwmc *kp = to_kona_pwmc(chip);  in kona_pwmc_config()  local
113 	rate = clk_get_rate(kp->clk);  in kona_pwmc_config()
138 		value = readl(kp->base + PRESCALE_OFFSET);  in kona_pwmc_config()
141 		writel(value, kp->base + PRESCALE_OFFSET);  in kona_pwmc_config()
143 		writel(pc, kp->base + PERIOD_COUNT_OFFSET(chan));  in kona_pwmc_config()
145 		writel(dc, kp->base + DUTY_CYCLE_HIGH_OFFSET(chan));  in kona_pwmc_config()
147 		kona_pwmc_apply_settings(kp, chan);  in kona_pwmc_config()
156 	struct kona_pwmc *kp = to_kona_pwmc(chip);  in kona_pwmc_set_polarity()  local
161 	ret = clk_prepare_enable(kp->clk);  in kona_pwmc_set_polarity()
167 	value = readl(kp->base + PWM_CONTROL_OFFSET);  in kona_pwmc_set_polarity()
174 	writel(value, kp->base + PWM_CONTROL_OFFSET);  in kona_pwmc_set_polarity()
176 	kona_pwmc_apply_settings(kp, chan);  in kona_pwmc_set_polarity()
181 	clk_disable_unprepare(kp->clk);  in kona_pwmc_set_polarity()
188 	struct kona_pwmc *kp = to_kona_pwmc(chip);  in kona_pwmc_enable()  local
191 	ret = clk_prepare_enable(kp->clk);  in kona_pwmc_enable()
199 		clk_disable_unprepare(kp->clk);  in kona_pwmc_enable()
208 	struct kona_pwmc *kp = to_kona_pwmc(chip);  in kona_pwmc_disable()  local
212 	writel(0, kp->base + DUTY_CYCLE_HIGH_OFFSET(chan));  in kona_pwmc_disable()
213 	kona_pwmc_apply_settings(kp, chan);  in kona_pwmc_disable()
218 	clk_disable_unprepare(kp->clk);  in kona_pwmc_disable()
231 	struct kona_pwmc *kp;  in kona_pwmc_probe()  local
237 	kp = devm_kzalloc(&pdev->dev, sizeof(*kp), GFP_KERNEL);  in kona_pwmc_probe()
238 	if (kp == NULL)  in kona_pwmc_probe()
241 	platform_set_drvdata(pdev, kp);  in kona_pwmc_probe()
243 	kp->chip.dev = &pdev->dev;  in kona_pwmc_probe()
244 	kp->chip.ops = &kona_pwm_ops;  in kona_pwmc_probe()
245 	kp->chip.base = -1;  in kona_pwmc_probe()
246 	kp->chip.npwm = 6;  in kona_pwmc_probe()
247 	kp->chip.of_xlate = of_pwm_xlate_with_flags;  in kona_pwmc_probe()
248 	kp->chip.of_pwm_n_cells = 3;  in kona_pwmc_probe()
249 	kp->chip.can_sleep = true;  in kona_pwmc_probe()
252 	kp->base = devm_ioremap_resource(&pdev->dev, res);  in kona_pwmc_probe()
253 	if (IS_ERR(kp->base))  in kona_pwmc_probe()
254 		return PTR_ERR(kp->base);  in kona_pwmc_probe()
256 	kp->clk = devm_clk_get(&pdev->dev, NULL);  in kona_pwmc_probe()
257 	if (IS_ERR(kp->clk)) {  in kona_pwmc_probe()
259 			PTR_ERR(kp->clk));  in kona_pwmc_probe()
260 		return PTR_ERR(kp->clk);  in kona_pwmc_probe()
263 	ret = clk_prepare_enable(kp->clk);  in kona_pwmc_probe()
270 	for (chan = 0; chan < kp->chip.npwm; chan++) {  in kona_pwmc_probe()
276 	writel(value, kp->base + PWM_CONTROL_OFFSET);  in kona_pwmc_probe()
278 	clk_disable_unprepare(kp->clk);  in kona_pwmc_probe()
280 	ret = pwmchip_add(&kp->chip);  in kona_pwmc_probe()
289 	struct kona_pwmc *kp = platform_get_drvdata(pdev);  in kona_pwmc_remove()  local
292 	for (chan = 0; chan < kp->chip.npwm; chan++)  in kona_pwmc_remove()
293 		if (test_bit(PWMF_ENABLED, &kp->chip.pwms[chan].flags))  in kona_pwmc_remove()
294 			clk_disable_unprepare(kp->clk);  in kona_pwmc_remove()
296 	return pwmchip_remove(&kp->chip);  in kona_pwmc_remove()