40 	struct bcm2835_pwm *pc = to_bcm2835_pwm(chip);  in bcm2835_pwm_request()  local
43 	value = readl(pc->base + PWM_CONTROL);  in bcm2835_pwm_request()
46 	writel(value, pc->base + PWM_CONTROL);  in bcm2835_pwm_request()
53 	struct bcm2835_pwm *pc = to_bcm2835_pwm(chip);  in bcm2835_pwm_free()  local
56 	value = readl(pc->base + PWM_CONTROL);  in bcm2835_pwm_free()
58 	writel(value, pc->base + PWM_CONTROL);  in bcm2835_pwm_free()
64 	struct bcm2835_pwm *pc = to_bcm2835_pwm(chip);  in bcm2835_pwm_config()  local
65 	unsigned long rate = clk_get_rate(pc->clk);  in bcm2835_pwm_config()
70 		dev_err(pc->dev, "failed to get clock rate\n");  in bcm2835_pwm_config()
81 	       pc->base + DUTY(pwm->hwpwm));  in bcm2835_pwm_config()
82 	writel(period, pc->base + PERIOD(pwm->hwpwm));  in bcm2835_pwm_config()
89 	struct bcm2835_pwm *pc = to_bcm2835_pwm(chip);  in bcm2835_pwm_enable()  local
92 	value = readl(pc->base + PWM_CONTROL);  in bcm2835_pwm_enable()
94 	writel(value, pc->base + PWM_CONTROL);  in bcm2835_pwm_enable()
101 	struct bcm2835_pwm *pc = to_bcm2835_pwm(chip);  in bcm2835_pwm_disable()  local
104 	value = readl(pc->base + PWM_CONTROL);  in bcm2835_pwm_disable()
106 	writel(value, pc->base + PWM_CONTROL);  in bcm2835_pwm_disable()
112 	struct bcm2835_pwm *pc = to_bcm2835_pwm(chip);  in bcm2835_set_polarity()  local
115 	value = readl(pc->base + PWM_CONTROL);  in bcm2835_set_polarity()
122 	writel(value, pc->base + PWM_CONTROL);  in bcm2835_set_polarity()
139 	struct bcm2835_pwm *pc;  in bcm2835_pwm_probe()  local
143 	pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);  in bcm2835_pwm_probe()
144 	if (!pc)  in bcm2835_pwm_probe()
147 	pc->dev = &pdev->dev;  in bcm2835_pwm_probe()
150 	pc->base = devm_ioremap_resource(&pdev->dev, res);  in bcm2835_pwm_probe()
151 	if (IS_ERR(pc->base))  in bcm2835_pwm_probe()
152 		return PTR_ERR(pc->base);  in bcm2835_pwm_probe()
154 	pc->clk = devm_clk_get(&pdev->dev, NULL);  in bcm2835_pwm_probe()
155 	if (IS_ERR(pc->clk))  in bcm2835_pwm_probe()
156 		return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk),  in bcm2835_pwm_probe()
159 	ret = clk_prepare_enable(pc->clk);  in bcm2835_pwm_probe()
163 	pc->chip.dev = &pdev->dev;  in bcm2835_pwm_probe()
164 	pc->chip.ops = &bcm2835_pwm_ops;  in bcm2835_pwm_probe()
165 	pc->chip.base = -1;  in bcm2835_pwm_probe()
166 	pc->chip.npwm = 2;  in bcm2835_pwm_probe()
167 	pc->chip.of_xlate = of_pwm_xlate_with_flags;  in bcm2835_pwm_probe()
168 	pc->chip.of_pwm_n_cells = 3;  in bcm2835_pwm_probe()
170 	platform_set_drvdata(pdev, pc);  in bcm2835_pwm_probe()
172 	ret = pwmchip_add(&pc->chip);  in bcm2835_pwm_probe()
179 	clk_disable_unprepare(pc->clk);  in bcm2835_pwm_probe()
185 	struct bcm2835_pwm *pc = platform_get_drvdata(pdev);  in bcm2835_pwm_remove()  local
187 	clk_disable_unprepare(pc->clk);  in bcm2835_pwm_remove()
189 	return pwmchip_remove(&pc->chip);  in bcm2835_pwm_remove()