84 static inline u32 pwm_readl(struct tegra_pwm_chip *pc, unsigned int offset)  in pwm_readl()  argument
86 	return readl(pc->regs + (offset << 4));  in pwm_readl()
89 static inline void pwm_writel(struct tegra_pwm_chip *pc, unsigned int offset, u32 value)  in pwm_writel()  argument
91 	writel(value, pc->regs + (offset << 4));  in pwm_writel()
97 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_config()  local
116 	if (period_ns < pc->min_period_ns)  in tegra_pwm_config()
132 	if (pc->soc->num_channels == 1) {  in tegra_pwm_config()
147 		if (required_clk_rate > clk_round_rate(pc->clk, required_clk_rate))  in tegra_pwm_config()
163 		pc->clk_rate = clk_get_rate(pc->clk);  in tegra_pwm_config()
167 	rate = mul_u64_u64_div_u64(pc->clk_rate, period_ns,  in tegra_pwm_config()
200 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_config()
213 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_enable()  local
221 	val = pwm_readl(pc, pwm->hwpwm);  in tegra_pwm_enable()
223 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_enable()
230 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_disable()  local
233 	val = pwm_readl(pc, pwm->hwpwm);  in tegra_pwm_disable()
235 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_disable()
273 	struct tegra_pwm_chip *pc;  in tegra_pwm_probe()  local
279 	chip = devm_pwmchip_alloc(&pdev->dev, soc->num_channels, sizeof(*pc));  in tegra_pwm_probe()
282 	pc = to_tegra_pwm_chip(chip);  in tegra_pwm_probe()
284 	pc->soc = soc;  in tegra_pwm_probe()
286 	pc->regs = devm_platform_ioremap_resource(pdev, 0);  in tegra_pwm_probe()
287 	if (IS_ERR(pc->regs))  in tegra_pwm_probe()
288 		return PTR_ERR(pc->regs);  in tegra_pwm_probe()
292 	pc->clk = devm_clk_get(&pdev->dev, NULL);  in tegra_pwm_probe()
293 	if (IS_ERR(pc->clk))  in tegra_pwm_probe()
294 		return PTR_ERR(pc->clk);  in tegra_pwm_probe()
306 	ret = dev_pm_opp_set_rate(&pdev->dev, pc->soc->max_frequency);  in tegra_pwm_probe()
317 	pc->clk_rate = clk_get_rate(pc->clk);  in tegra_pwm_probe()
320 	pc->min_period_ns =  in tegra_pwm_probe()
321 	    (NSEC_PER_SEC / (pc->soc->max_frequency >> PWM_DUTY_WIDTH)) + 1;  in tegra_pwm_probe()
323 	pc->rst = devm_reset_control_get_exclusive(&pdev->dev, "pwm");  in tegra_pwm_probe()
324 	if (IS_ERR(pc->rst)) {  in tegra_pwm_probe()
325 		ret = PTR_ERR(pc->rst);  in tegra_pwm_probe()
330 	reset_control_deassert(pc->rst);  in tegra_pwm_probe()
337 		reset_control_assert(pc->rst);  in tegra_pwm_probe()
353 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_remove()  local
357 	reset_control_assert(pc->rst);  in tegra_pwm_remove()
365 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_runtime_suspend()  local
368 	clk_disable_unprepare(pc->clk);  in tegra_pwm_runtime_suspend()
372 		clk_prepare_enable(pc->clk);  in tegra_pwm_runtime_suspend()
382 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_runtime_resume()  local
389 	err = clk_prepare_enable(pc->clk);  in tegra_pwm_runtime_resume()