6  * - The TPM counter and period counter are shared between
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()
188 		 * TPM counter is shared by multiple channels, so  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()
202 		/* set TPM counter prescale */  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
362 	chip = devm_pwmchip_alloc(&pdev->dev, npwm, sizeof(*tpm));  in pwm_imx_tpm_probe()
365 	tpm = to_imx_tpm_pwm_chip(chip);  in pwm_imx_tpm_probe()
367 	platform_set_drvdata(pdev, tpm);  in pwm_imx_tpm_probe()
369 	tpm->base = base;  in pwm_imx_tpm_probe()
370 	tpm->clk = clk;  in pwm_imx_tpm_probe()
374 	mutex_init(&tpm->lock);  in pwm_imx_tpm_probe()
385 	struct imx_tpm_pwm_chip *tpm = dev_get_drvdata(dev);  in pwm_imx_tpm_suspend()  local
388 	if (tpm->enable_count > 0)  in pwm_imx_tpm_suspend()
396 	tpm->real_period = 0;  in pwm_imx_tpm_suspend()
398 	clk_disable_unprepare(tpm->clk);  in pwm_imx_tpm_suspend()
402 		clk_prepare_enable(tpm->clk);  in pwm_imx_tpm_suspend()
409 	struct imx_tpm_pwm_chip *tpm = dev_get_drvdata(dev);  in pwm_imx_tpm_resume()  local
416 	ret = clk_prepare_enable(tpm->clk);  in pwm_imx_tpm_resume()
436 		.name = "imx7ulp-tpm-pwm",
445 MODULE_DESCRIPTION("i.MX TPM PWM Driver");