60 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_busy_wait()  local
64 	while ((readl(vt8500->base + REG_STATUS) & mask) && --loops)  in vt8500_pwm_busy_wait()
75 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_config()  local
81 	err = clk_enable(vt8500->clk);  in vt8500_pwm_config()
87 	c = clk_get_rate(vt8500->clk);  in vt8500_pwm_config()
100 		clk_disable(vt8500->clk);  in vt8500_pwm_config()
108 	writel(prescale, vt8500->base + REG_SCALAR(pwm->hwpwm));  in vt8500_pwm_config()
111 	writel(pv, vt8500->base + REG_PERIOD(pwm->hwpwm));  in vt8500_pwm_config()
114 	writel(dc, vt8500->base + REG_DUTY(pwm->hwpwm));  in vt8500_pwm_config()
117 	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_config()
119 	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_config()
122 	clk_disable(vt8500->clk);  in vt8500_pwm_config()
128 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_enable()  local
132 	err = clk_enable(vt8500->clk);  in vt8500_pwm_enable()
138 	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_enable()
140 	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_enable()
148 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_disable()  local
151 	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_disable()
153 	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_disable()
156 	clk_disable(vt8500->clk);  in vt8500_pwm_disable()
163 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_set_polarity()  local
166 	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_set_polarity()
173 	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_set_polarity()
238 	struct vt8500_chip *vt8500;  in vt8500_pwm_probe()  local
245 	chip = devm_pwmchip_alloc(&pdev->dev, VT8500_NR_PWMS, sizeof(*vt8500));  in vt8500_pwm_probe()
248 	vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_probe()
252 	vt8500->clk = devm_clk_get_prepared(&pdev->dev, NULL);  in vt8500_pwm_probe()
253 	if (IS_ERR(vt8500->clk))  in vt8500_pwm_probe()
254 		return dev_err_probe(&pdev->dev, PTR_ERR(vt8500->clk), "clock source not specified\n");  in vt8500_pwm_probe()
256 	vt8500->base = devm_platform_ioremap_resource(pdev, 0);  in vt8500_pwm_probe()
257 	if (IS_ERR(vt8500->base))  in vt8500_pwm_probe()
258 		return PTR_ERR(vt8500->base);  in vt8500_pwm_probe()