4  * Copyright (C) 2014 Atmel
11 #include <linux/mfd/atmel-hlcdc.h>
45 	struct atmel_hlcdc_pwm *atmel = to_atmel_hlcdc_pwm(chip);  in atmel_hlcdc_pwm_apply()  local
46 	struct atmel_hlcdc *hlcdc = atmel->hlcdc;  in atmel_hlcdc_pwm_apply()
58 		if (!atmel->errata || !atmel->errata->slow_clk_erratum) {  in atmel_hlcdc_pwm_apply()
68 		if ((atmel->errata && atmel->errata->slow_clk_erratum) ||  in atmel_hlcdc_pwm_apply()
81 			if (!pres && atmel->errata &&  in atmel_hlcdc_pwm_apply()
82 			    atmel->errata->div1_clk_erratum)  in atmel_hlcdc_pwm_apply()
94 		if (new_clk != atmel->cur_clk) {  in atmel_hlcdc_pwm_apply()
102 			clk_disable_unprepare(atmel->cur_clk);  in atmel_hlcdc_pwm_apply()
103 			atmel->cur_clk = new_clk;  in atmel_hlcdc_pwm_apply()
164 		clk_disable_unprepare(atmel->cur_clk);  in atmel_hlcdc_pwm_apply()
165 		atmel->cur_clk = NULL;  in atmel_hlcdc_pwm_apply()
187 	struct atmel_hlcdc_pwm *atmel = dev_get_drvdata(dev);  in atmel_hlcdc_pwm_suspend()  local
190 	if (!pwm_is_enabled(&atmel->chip.pwms[0]))  in atmel_hlcdc_pwm_suspend()
191 		clk_disable_unprepare(atmel->hlcdc->periph_clk);  in atmel_hlcdc_pwm_suspend()
198 	struct atmel_hlcdc_pwm *atmel = dev_get_drvdata(dev);  in atmel_hlcdc_pwm_resume()  local
202 	pwm_get_state(&atmel->chip.pwms[0], &state);  in atmel_hlcdc_pwm_resume()
206 		ret = clk_prepare_enable(atmel->hlcdc->periph_clk);  in atmel_hlcdc_pwm_resume()
211 	return atmel_hlcdc_pwm_apply(&atmel->chip, &atmel->chip.pwms[0],  in atmel_hlcdc_pwm_resume()
221 		.compatible = "atmel,at91sam9n12-hlcdc",
226 		.compatible = "atmel,at91sam9x5-hlcdc",
230 		.compatible = "atmel,sama5d2-hlcdc",
233 		.compatible = "atmel,sama5d3-hlcdc",
237 		.compatible = "atmel,sama5d4-hlcdc",
249 	struct atmel_hlcdc_pwm *atmel;  in atmel_hlcdc_pwm_probe()  local
255 	atmel = devm_kzalloc(dev, sizeof(*atmel), GFP_KERNEL);  in atmel_hlcdc_pwm_probe()
256 	if (!atmel)  in atmel_hlcdc_pwm_probe()
265 		atmel->errata = match->data;  in atmel_hlcdc_pwm_probe()
267 	atmel->hlcdc = hlcdc;  in atmel_hlcdc_pwm_probe()
268 	atmel->chip.ops = &atmel_hlcdc_pwm_ops;  in atmel_hlcdc_pwm_probe()
269 	atmel->chip.dev = dev;  in atmel_hlcdc_pwm_probe()
270 	atmel->chip.npwm = 1;  in atmel_hlcdc_pwm_probe()
272 	ret = pwmchip_add(&atmel->chip);  in atmel_hlcdc_pwm_probe()
278 	platform_set_drvdata(pdev, atmel);  in atmel_hlcdc_pwm_probe()
285 	struct atmel_hlcdc_pwm *atmel = platform_get_drvdata(pdev);  in atmel_hlcdc_pwm_remove()  local
287 	pwmchip_remove(&atmel->chip);  in atmel_hlcdc_pwm_remove()
289 	clk_disable_unprepare(atmel->hlcdc->periph_clk);  in atmel_hlcdc_pwm_remove()
293 	{ .compatible = "atmel,hlcdc-pwm" },
299 		.name = "atmel-hlcdc-pwm",
308 MODULE_ALIAS("platform:atmel-hlcdc-pwm");
310 MODULE_DESCRIPTION("Atmel HLCDC PWM driver");