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