92 	struct imx_tpm_pwm_chip *tpm = to_imx_tpm_pwm_chip(chip);  in pwm_imx_tpm_round_state()  local
96 	rate = clk_get_rate(tpm->clk);  in pwm_imx_tpm_round_state()
141 	struct imx_tpm_pwm_chip *tpm = to_imx_tpm_pwm_chip(chip);  in pwm_imx_tpm_get_state()  local
146 	state->period = tpm->real_period;  in pwm_imx_tpm_get_state()
149 	rate = clk_get_rate(tpm->clk);  in pwm_imx_tpm_get_state()
150 	val = readl(tpm->base + PWM_IMX_TPM_SC);  in pwm_imx_tpm_get_state()
152 	tmp = readl(tpm->base + PWM_IMX_TPM_CnV(pwm->hwpwm));  in pwm_imx_tpm_get_state()
157 	val = readl(tpm->base + PWM_IMX_TPM_CnSC(pwm->hwpwm));  in pwm_imx_tpm_get_state()
179 	struct imx_tpm_pwm_chip *tpm = to_imx_tpm_pwm_chip(chip);  in pwm_imx_tpm_apply_hw()  local
186 	if (state->period != tpm->real_period) {  in pwm_imx_tpm_apply_hw()
193 		if (tpm->user_count > 1)  in pwm_imx_tpm_apply_hw()
196 		val = readl(tpm->base + PWM_IMX_TPM_SC);  in pwm_imx_tpm_apply_hw()
205 		writel(val, tpm->base + PWM_IMX_TPM_SC);  in pwm_imx_tpm_apply_hw()
215 		writel(p->mod, tpm->base + PWM_IMX_TPM_MOD);  in pwm_imx_tpm_apply_hw()
216 		tpm->real_period = state->period;  in pwm_imx_tpm_apply_hw()
235 		writel(p->val, tpm->base + PWM_IMX_TPM_CnV(pwm->hwpwm));  in pwm_imx_tpm_apply_hw()
241 		timeout = jiffies + msecs_to_jiffies(tpm->real_period /  in pwm_imx_tpm_apply_hw()
243 		while (readl(tpm->base + PWM_IMX_TPM_MOD) != p->mod  in pwm_imx_tpm_apply_hw()
244 		       || readl(tpm->base + PWM_IMX_TPM_CnV(pwm->hwpwm))  in pwm_imx_tpm_apply_hw()
258 	val = readl(tpm->base + PWM_IMX_TPM_CnSC(pwm->hwpwm));  in pwm_imx_tpm_apply_hw()
274 	writel(val, tpm->base + PWM_IMX_TPM_CnSC(pwm->hwpwm));  in pwm_imx_tpm_apply_hw()
278 		val = readl(tpm->base + PWM_IMX_TPM_SC);  in pwm_imx_tpm_apply_hw()
280 			if (++tpm->enable_count == 1)  in pwm_imx_tpm_apply_hw()
283 			if (--tpm->enable_count == 0)  in pwm_imx_tpm_apply_hw()
286 		writel(val, tpm->base + PWM_IMX_TPM_SC);  in pwm_imx_tpm_apply_hw()
296 	struct imx_tpm_pwm_chip *tpm = to_imx_tpm_pwm_chip(chip);  in pwm_imx_tpm_apply()  local
305 	mutex_lock(&tpm->lock);  in pwm_imx_tpm_apply()
307 	mutex_unlock(&tpm->lock);  in pwm_imx_tpm_apply()
314 	struct imx_tpm_pwm_chip *tpm = to_imx_tpm_pwm_chip(chip);  in pwm_imx_tpm_request()  local
316 	mutex_lock(&tpm->lock);  in pwm_imx_tpm_request()
317 	tpm->user_count++;  in pwm_imx_tpm_request()
318 	mutex_unlock(&tpm->lock);  in pwm_imx_tpm_request()
325 	struct imx_tpm_pwm_chip *tpm = to_imx_tpm_pwm_chip(chip);  in pwm_imx_tpm_free()  local
327 	mutex_lock(&tpm->lock);  in pwm_imx_tpm_free()
328 	tpm->user_count--;  in pwm_imx_tpm_free()
329 	mutex_unlock(&tpm->lock);  in pwm_imx_tpm_free()
342 	struct imx_tpm_pwm_chip *tpm;  in pwm_imx_tpm_probe()  local
346 	tpm = devm_kzalloc(&pdev->dev, sizeof(*tpm), GFP_KERNEL);  in pwm_imx_tpm_probe()
347 	if (!tpm)  in pwm_imx_tpm_probe()
350 	platform_set_drvdata(pdev, tpm);  in pwm_imx_tpm_probe()
352 	tpm->base = devm_platform_ioremap_resource(pdev, 0);  in pwm_imx_tpm_probe()
353 	if (IS_ERR(tpm->base))  in pwm_imx_tpm_probe()
354 		return PTR_ERR(tpm->base);  in pwm_imx_tpm_probe()
356 	tpm->clk = devm_clk_get(&pdev->dev, NULL);  in pwm_imx_tpm_probe()
357 	if (IS_ERR(tpm->clk))  in pwm_imx_tpm_probe()
358 		return dev_err_probe(&pdev->dev, PTR_ERR(tpm->clk),  in pwm_imx_tpm_probe()
361 	ret = clk_prepare_enable(tpm->clk);  in pwm_imx_tpm_probe()
368 	tpm->chip.dev = &pdev->dev;  in pwm_imx_tpm_probe()
369 	tpm->chip.ops = &imx_tpm_pwm_ops;  in pwm_imx_tpm_probe()
372 	val = readl(tpm->base + PWM_IMX_TPM_PARAM);  in pwm_imx_tpm_probe()
373 	tpm->chip.npwm = FIELD_GET(PWM_IMX_TPM_PARAM_CHAN, val);  in pwm_imx_tpm_probe()
375 	mutex_init(&tpm->lock);  in pwm_imx_tpm_probe()
377 	ret = pwmchip_add(&tpm->chip);  in pwm_imx_tpm_probe()
380 		clk_disable_unprepare(tpm->clk);  in pwm_imx_tpm_probe()
388 	struct imx_tpm_pwm_chip *tpm = platform_get_drvdata(pdev);  in pwm_imx_tpm_remove()  local
390 	pwmchip_remove(&tpm->chip);  in pwm_imx_tpm_remove()
392 	clk_disable_unprepare(tpm->clk);  in pwm_imx_tpm_remove()
397 	struct imx_tpm_pwm_chip *tpm = dev_get_drvdata(dev);  in pwm_imx_tpm_suspend()  local
399 	if (tpm->enable_count > 0)  in pwm_imx_tpm_suspend()
407 	tpm->real_period = 0;  in pwm_imx_tpm_suspend()
409 	clk_disable_unprepare(tpm->clk);  in pwm_imx_tpm_suspend()
416 	struct imx_tpm_pwm_chip *tpm = dev_get_drvdata(dev);  in pwm_imx_tpm_resume()  local
419 	ret = clk_prepare_enable(tpm->clk);  in pwm_imx_tpm_resume()