Lines Matching full:pc
64 struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); in rockchip_pwm_get_state() local
65 u32 enable_conf = pc->data->enable_conf; in rockchip_pwm_get_state()
71 ret = clk_enable(pc->pclk); in rockchip_pwm_get_state()
75 clk_rate = clk_get_rate(pc->clk); in rockchip_pwm_get_state()
77 tmp = readl_relaxed(pc->base + pc->data->regs.period); in rockchip_pwm_get_state()
78 tmp *= pc->data->prescaler * NSEC_PER_SEC; in rockchip_pwm_get_state()
81 tmp = readl_relaxed(pc->base + pc->data->regs.duty); in rockchip_pwm_get_state()
82 tmp *= pc->data->prescaler * NSEC_PER_SEC; in rockchip_pwm_get_state()
85 val = readl_relaxed(pc->base + pc->data->regs.ctrl); in rockchip_pwm_get_state()
88 if (pc->data->supports_polarity && !(val & PWM_DUTY_POSITIVE)) in rockchip_pwm_get_state()
93 clk_disable(pc->pclk); in rockchip_pwm_get_state()
99 struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); in rockchip_pwm_config() local
104 clk_rate = clk_get_rate(pc->clk); in rockchip_pwm_config()
113 pc->data->prescaler * NSEC_PER_SEC); in rockchip_pwm_config()
116 duty = DIV_ROUND_CLOSEST_ULL(div, pc->data->prescaler * NSEC_PER_SEC); in rockchip_pwm_config()
122 ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl); in rockchip_pwm_config()
123 if (pc->data->supports_lock) { in rockchip_pwm_config()
125 writel_relaxed(ctrl, pc->base + pc->data->regs.ctrl); in rockchip_pwm_config()
128 writel(period, pc->base + pc->data->regs.period); in rockchip_pwm_config()
129 writel(duty, pc->base + pc->data->regs.duty); in rockchip_pwm_config()
131 if (pc->data->supports_polarity) { in rockchip_pwm_config()
144 if (pc->data->supports_lock) in rockchip_pwm_config()
147 writel(ctrl, pc->base + pc->data->regs.ctrl); in rockchip_pwm_config()
154 struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); in rockchip_pwm_enable() local
155 u32 enable_conf = pc->data->enable_conf; in rockchip_pwm_enable()
160 ret = clk_enable(pc->clk); in rockchip_pwm_enable()
165 val = readl_relaxed(pc->base + pc->data->regs.ctrl); in rockchip_pwm_enable()
172 writel_relaxed(val, pc->base + pc->data->regs.ctrl); in rockchip_pwm_enable()
175 clk_disable(pc->clk); in rockchip_pwm_enable()
183 struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); in rockchip_pwm_apply() local
188 ret = clk_enable(pc->pclk); in rockchip_pwm_apply()
196 !pc->data->supports_lock) { in rockchip_pwm_apply()
211 clk_disable(pc->pclk); in rockchip_pwm_apply()
289 struct rockchip_pwm_chip *pc; in rockchip_pwm_probe() local
299 pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); in rockchip_pwm_probe()
300 if (!pc) in rockchip_pwm_probe()
304 pc->base = devm_ioremap_resource(&pdev->dev, r); in rockchip_pwm_probe()
305 if (IS_ERR(pc->base)) in rockchip_pwm_probe()
306 return PTR_ERR(pc->base); in rockchip_pwm_probe()
308 pc->clk = devm_clk_get(&pdev->dev, "pwm"); in rockchip_pwm_probe()
309 if (IS_ERR(pc->clk)) { in rockchip_pwm_probe()
310 pc->clk = devm_clk_get(&pdev->dev, NULL); in rockchip_pwm_probe()
311 if (IS_ERR(pc->clk)) in rockchip_pwm_probe()
312 return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk), in rockchip_pwm_probe()
319 pc->pclk = devm_clk_get(&pdev->dev, "pclk"); in rockchip_pwm_probe()
321 pc->pclk = pc->clk; in rockchip_pwm_probe()
323 if (IS_ERR(pc->pclk)) { in rockchip_pwm_probe()
324 ret = PTR_ERR(pc->pclk); in rockchip_pwm_probe()
330 ret = clk_prepare_enable(pc->clk); in rockchip_pwm_probe()
336 ret = clk_prepare_enable(pc->pclk); in rockchip_pwm_probe()
342 platform_set_drvdata(pdev, pc); in rockchip_pwm_probe()
344 pc->data = id->data; in rockchip_pwm_probe()
345 pc->chip.dev = &pdev->dev; in rockchip_pwm_probe()
346 pc->chip.ops = &rockchip_pwm_ops; in rockchip_pwm_probe()
347 pc->chip.base = -1; in rockchip_pwm_probe()
348 pc->chip.npwm = 1; in rockchip_pwm_probe()
350 if (pc->data->supports_polarity) { in rockchip_pwm_probe()
351 pc->chip.of_xlate = of_pwm_xlate_with_flags; in rockchip_pwm_probe()
352 pc->chip.of_pwm_n_cells = 3; in rockchip_pwm_probe()
355 enable_conf = pc->data->enable_conf; in rockchip_pwm_probe()
356 ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl); in rockchip_pwm_probe()
359 ret = pwmchip_add(&pc->chip); in rockchip_pwm_probe()
367 clk_disable(pc->clk); in rockchip_pwm_probe()
369 clk_disable(pc->pclk); in rockchip_pwm_probe()
374 clk_disable_unprepare(pc->pclk); in rockchip_pwm_probe()
376 clk_disable_unprepare(pc->clk); in rockchip_pwm_probe()
383 struct rockchip_pwm_chip *pc = platform_get_drvdata(pdev); in rockchip_pwm_remove() local
385 clk_unprepare(pc->pclk); in rockchip_pwm_remove()
386 clk_unprepare(pc->clk); in rockchip_pwm_remove()
388 return pwmchip_remove(&pc->chip); in rockchip_pwm_remove()