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Searched refs:pwm (Results 1 – 25 of 144) sorted by relevance

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/drivers/pwm/
Dpwm-renesas-tpu.c100 static void tpu_pwm_write(struct tpu_pwm_device *pwm, int reg_nr, u16 value) in tpu_pwm_write() argument
102 void __iomem *base = pwm->tpu->base + TPU_CHANNEL_OFFSET in tpu_pwm_write()
103 + pwm->channel * TPU_CHANNEL_SIZE; in tpu_pwm_write()
108 static void tpu_pwm_set_pin(struct tpu_pwm_device *pwm, in tpu_pwm_set_pin() argument
113 dev_dbg(&pwm->tpu->pdev->dev, "%u: configuring pin as %s\n", in tpu_pwm_set_pin()
114 pwm->channel, states[state]); in tpu_pwm_set_pin()
118 tpu_pwm_write(pwm, TPU_TIORn, in tpu_pwm_set_pin()
119 pwm->polarity == PWM_POLARITY_INVERSED ? in tpu_pwm_set_pin()
123 tpu_pwm_write(pwm, TPU_TIORn, in tpu_pwm_set_pin()
124 pwm->polarity == PWM_POLARITY_INVERSED ? in tpu_pwm_set_pin()
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Dcore.c44 static struct pwm_device *pwm_to_device(unsigned int pwm) in pwm_to_device() argument
46 return radix_tree_lookup(&pwm_tree, pwm); in pwm_to_device()
49 static int alloc_pwms(int pwm, unsigned int count) in alloc_pwms() argument
54 if (pwm >= MAX_PWMS) in alloc_pwms()
57 if (pwm >= 0) in alloc_pwms()
58 from = pwm; in alloc_pwms()
63 if (pwm >= 0 && start != pwm) in alloc_pwms()
77 struct pwm_device *pwm = &chip->pwms[i]; in free_pwms() local
79 radix_tree_delete(&pwm_tree, pwm->pwm); in free_pwms()
111 static int pwm_device_request(struct pwm_device *pwm, const char *label) in pwm_device_request() argument
[all …]
DMakefile3 obj-$(CONFIG_PWM_AB8500) += pwm-ab8500.o
4 obj-$(CONFIG_PWM_ATMEL) += pwm-atmel.o
5 obj-$(CONFIG_PWM_ATMEL_HLCDC_PWM) += pwm-atmel-hlcdc.o
6 obj-$(CONFIG_PWM_ATMEL_TCB) += pwm-atmel-tcb.o
7 obj-$(CONFIG_PWM_BCM_IPROC) += pwm-bcm-iproc.o
8 obj-$(CONFIG_PWM_BCM_KONA) += pwm-bcm-kona.o
9 obj-$(CONFIG_PWM_BCM2835) += pwm-bcm2835.o
10 obj-$(CONFIG_PWM_BERLIN) += pwm-berlin.o
11 obj-$(CONFIG_PWM_BFIN) += pwm-bfin.o
12 obj-$(CONFIG_PWM_BRCMSTB) += pwm-brcmstb.o
[all …]
Dpwm-berlin.c66 static int berlin_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) in berlin_pwm_request() argument
74 return pwm_set_chip_data(pwm, channel); in berlin_pwm_request()
77 static void berlin_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) in berlin_pwm_free() argument
79 struct berlin_pwm_channel *channel = pwm_get_chip_data(pwm); in berlin_pwm_free()
81 pwm_set_chip_data(pwm, NULL); in berlin_pwm_free()
88 struct berlin_pwm_chip *pwm = to_berlin_pwm_chip(chip); in berlin_pwm_config() local
93 cycles = clk_get_rate(pwm->clk); in berlin_pwm_config()
113 value = berlin_pwm_readl(pwm, pwm_dev->hwpwm, BERLIN_PWM_CONTROL); in berlin_pwm_config()
116 berlin_pwm_writel(pwm, pwm_dev->hwpwm, value, BERLIN_PWM_CONTROL); in berlin_pwm_config()
118 berlin_pwm_writel(pwm, pwm_dev->hwpwm, duty, BERLIN_PWM_DUTY); in berlin_pwm_config()
[all …]
Dpwm-tegra.c73 static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in tegra_pwm_config() argument
126 if (!pwm_is_enabled(pwm)) { in tegra_pwm_config()
133 pwm_writel(pc, pwm->hwpwm, val); in tegra_pwm_config()
138 if (!pwm_is_enabled(pwm)) in tegra_pwm_config()
144 static int tegra_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in tegra_pwm_enable() argument
154 val = pwm_readl(pc, pwm->hwpwm); in tegra_pwm_enable()
156 pwm_writel(pc, pwm->hwpwm, val); in tegra_pwm_enable()
161 static void tegra_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) in tegra_pwm_disable() argument
166 val = pwm_readl(pc, pwm->hwpwm); in tegra_pwm_disable()
168 pwm_writel(pc, pwm->hwpwm, val); in tegra_pwm_disable()
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Dsysfs.c28 struct pwm_device *pwm; member
41 return export->pwm; in child_to_pwm_device()
48 const struct pwm_device *pwm = child_to_pwm_device(child); in period_show() local
51 pwm_get_state(pwm, &state); in period_show()
61 struct pwm_device *pwm = export->pwm; in period_store() local
71 pwm_get_state(pwm, &state); in period_store()
73 ret = pwm_apply_state(pwm, &state); in period_store()
83 const struct pwm_device *pwm = child_to_pwm_device(child); in duty_cycle_show() local
86 pwm_get_state(pwm, &state); in duty_cycle_show()
96 struct pwm_device *pwm = export->pwm; in duty_cycle_store() local
[all …]
Dpwm-img.c88 static int img_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in img_pwm_config() argument
127 val &= ~(PWM_CTRL_CFG_DIV_MASK << PWM_CTRL_CFG_DIV_SHIFT(pwm->hwpwm)); in img_pwm_config()
129 PWM_CTRL_CFG_DIV_SHIFT(pwm->hwpwm); in img_pwm_config()
134 img_pwm_writel(pwm_chip, PWM_CH_CFG(pwm->hwpwm), val); in img_pwm_config()
139 static int img_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in img_pwm_enable() argument
145 val |= BIT(pwm->hwpwm); in img_pwm_enable()
150 PERIP_PWM_PDM_CONTROL_CH_SHIFT(pwm->hwpwm), 0); in img_pwm_enable()
155 static void img_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) in img_pwm_disable() argument
161 val &= ~BIT(pwm->hwpwm); in img_pwm_disable()
191 struct img_pwm_chip *pwm; in img_pwm_probe() local
[all …]
Dpwm-sun4i.c99 static int sun4i_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in sun4i_pwm_config() argument
157 if (sun4i_pwm->data->has_rdy && (val & PWM_RDY(pwm->hwpwm))) { in sun4i_pwm_config()
163 clk_gate = val & BIT_CH(PWM_CLK_GATING, pwm->hwpwm); in sun4i_pwm_config()
165 val &= ~BIT_CH(PWM_CLK_GATING, pwm->hwpwm); in sun4i_pwm_config()
170 val &= ~BIT_CH(PWM_PRESCAL_MASK, pwm->hwpwm); in sun4i_pwm_config()
171 val |= BIT_CH(prescaler, pwm->hwpwm); in sun4i_pwm_config()
175 sun4i_pwm_writel(sun4i_pwm, val, PWM_CH_PRD(pwm->hwpwm)); in sun4i_pwm_config()
189 static int sun4i_pwm_set_polarity(struct pwm_chip *chip, struct pwm_device *pwm, in sun4i_pwm_set_polarity() argument
206 val &= ~BIT_CH(PWM_ACT_STATE, pwm->hwpwm); in sun4i_pwm_set_polarity()
208 val |= BIT_CH(PWM_ACT_STATE, pwm->hwpwm); in sun4i_pwm_set_polarity()
[all …]
Dpwm-jz4740.c50 static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) in jz4740_pwm_request() argument
52 unsigned int gpio = jz4740_pwm_gpio_list[pwm->hwpwm]; in jz4740_pwm_request()
59 if (pwm->hwpwm < 2) in jz4740_pwm_request()
62 ret = gpio_request(gpio, pwm->label); in jz4740_pwm_request()
71 jz4740_timer_start(pwm->hwpwm); in jz4740_pwm_request()
76 static void jz4740_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) in jz4740_pwm_free() argument
78 unsigned int gpio = jz4740_pwm_gpio_list[pwm->hwpwm]; in jz4740_pwm_free()
80 jz4740_timer_set_ctrl(pwm->hwpwm, 0); in jz4740_pwm_free()
85 jz4740_timer_stop(pwm->hwpwm); in jz4740_pwm_free()
88 static int jz4740_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in jz4740_pwm_enable() argument
[all …]
Dpwm-bfin.c30 static int bfin_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) in bfin_pwm_request() argument
35 if (pwm->hwpwm >= ARRAY_SIZE(pwm_to_gptimer_per)) in bfin_pwm_request()
42 priv->pin = pwm_to_gptimer_per[pwm->hwpwm]; in bfin_pwm_request()
50 pwm_set_chip_data(pwm, priv); in bfin_pwm_request()
55 static void bfin_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) in bfin_pwm_free() argument
57 struct bfin_pwm *priv = pwm_get_chip_data(pwm); in bfin_pwm_free()
65 static int bfin_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in bfin_pwm_config() argument
68 struct bfin_pwm *priv = pwm_get_chip_data(pwm); in bfin_pwm_config()
90 static int bfin_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in bfin_pwm_enable() argument
92 struct bfin_pwm *priv = pwm_get_chip_data(pwm); in bfin_pwm_enable()
[all …]
Dpwm-twl.c43 #define TWL4030_PWM_TOGGLE(pwm, x) ((x) << (pwm)) argument
57 #define TWL6030_PWM_TOGGLE(pwm, x) ((x) << (pwm * 3)) argument
71 static int twl_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in twl_pwm_config() argument
94 base = pwm->hwpwm * 3; in twl_pwm_config()
100 dev_err(chip->dev, "%s: Failed to configure PWM\n", pwm->label); in twl_pwm_config()
105 static int twl4030_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in twl4030_pwm_enable() argument
114 dev_err(chip->dev, "%s: Failed to read GPBR1\n", pwm->label); in twl4030_pwm_enable()
118 val |= TWL4030_PWM_TOGGLE(pwm->hwpwm, TWL4030_PWMXCLK_ENABLE); in twl4030_pwm_enable()
122 dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); in twl4030_pwm_enable()
124 val |= TWL4030_PWM_TOGGLE(pwm->hwpwm, TWL4030_PWMX_ENABLE); in twl4030_pwm_enable()
[all …]
Dpwm-pxa.c63 static int pxa_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in pxa_pwm_config() argument
72 offset = pwm->hwpwm ? 0x10 : 0; in pxa_pwm_config()
107 static int pxa_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in pxa_pwm_enable() argument
114 static void pxa_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) in pxa_pwm_disable() argument
157 struct pwm_device *pwm; in pxa_pwm_of_xlate() local
159 pwm = pwm_request_from_chip(pc, 0, NULL); in pxa_pwm_of_xlate()
160 if (IS_ERR(pwm)) in pxa_pwm_of_xlate()
161 return pwm; in pxa_pwm_of_xlate()
163 pwm->args.period = args->args[0]; in pxa_pwm_of_xlate()
165 return pwm; in pxa_pwm_of_xlate()
[all …]
Dpwm-stmpe.c43 static int stmpe_24xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in stmpe_24xx_pwm_enable() argument
52 pwm->hwpwm); in stmpe_24xx_pwm_enable()
56 value = ret | BIT(pwm->hwpwm); in stmpe_24xx_pwm_enable()
61 pwm->hwpwm); in stmpe_24xx_pwm_enable()
69 struct pwm_device *pwm) in stmpe_24xx_pwm_disable() argument
78 pwm->hwpwm); in stmpe_24xx_pwm_disable()
82 value = ret & ~BIT(pwm->hwpwm); in stmpe_24xx_pwm_disable()
87 pwm->hwpwm); in stmpe_24xx_pwm_disable()
103 static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in stmpe_24xx_pwm_config() argument
117 if (pwm_is_enabled(pwm)) { in stmpe_24xx_pwm_config()
[all …]
Dpwm-crc.c50 static int crc_pwm_enable(struct pwm_chip *c, struct pwm_device *pwm) in crc_pwm_enable() argument
59 static void crc_pwm_disable(struct pwm_chip *c, struct pwm_device *pwm) in crc_pwm_disable() argument
66 static int crc_pwm_config(struct pwm_chip *c, struct pwm_device *pwm, in crc_pwm_config() argument
78 if (pwm_get_period(pwm) != period_ns) { in crc_pwm_config()
82 crc_pwm_disable(c, pwm); in crc_pwm_config()
89 crc_pwm_enable(c, pwm); in crc_pwm_config()
107 struct crystalcove_pwm *pwm; in crystalcove_pwm_probe() local
111 pwm = devm_kzalloc(&pdev->dev, sizeof(*pwm), GFP_KERNEL); in crystalcove_pwm_probe()
112 if (!pwm) in crystalcove_pwm_probe()
115 pwm->chip.dev = &pdev->dev; in crystalcove_pwm_probe()
[all …]
Dpwm-vt8500.c39 #define REG_CTRL(pwm) (((pwm) << 4) + 0x00) argument
40 #define REG_SCALAR(pwm) (((pwm) << 4) + 0x04) argument
41 #define REG_PERIOD(pwm) (((pwm) << 4) + 0x08) argument
42 #define REG_DUTY(pwm) (((pwm) << 4) + 0x0C) argument
80 static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in vt8500_pwm_config() argument
116 writel(prescale, vt8500->base + REG_SCALAR(pwm->hwpwm)); in vt8500_pwm_config()
117 pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_SCALAR_UPDATE); in vt8500_pwm_config()
119 writel(pv, vt8500->base + REG_PERIOD(pwm->hwpwm)); in vt8500_pwm_config()
120 pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_PERIOD_UPDATE); in vt8500_pwm_config()
122 writel(dc, vt8500->base + REG_DUTY(pwm->hwpwm)); in vt8500_pwm_config()
[all …]
Dpwm-lpss.c69 static inline u32 pwm_lpss_read(const struct pwm_device *pwm) in pwm_lpss_read() argument
71 struct pwm_lpss_chip *lpwm = to_lpwm(pwm->chip); in pwm_lpss_read()
73 return readl(lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM); in pwm_lpss_read()
76 static inline void pwm_lpss_write(const struct pwm_device *pwm, u32 value) in pwm_lpss_write() argument
78 struct pwm_lpss_chip *lpwm = to_lpwm(pwm->chip); in pwm_lpss_write()
80 writel(value, lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM); in pwm_lpss_write()
83 static void pwm_lpss_update(struct pwm_device *pwm) in pwm_lpss_update() argument
85 pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_SW_UPDATE); in pwm_lpss_update()
90 static int pwm_lpss_config(struct pwm_chip *chip, struct pwm_device *pwm, in pwm_lpss_config() argument
118 ctrl = pwm_lpss_read(pwm); in pwm_lpss_config()
[all …]
Dpwm-pca9685.c90 static int pca9685_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in pca9685_pwm_config() argument
129 if (pwm->hwpwm >= PCA9685_MAXCHAN) in pca9685_pwm_config()
132 reg = LED_N_OFF_H(pwm->hwpwm); in pca9685_pwm_config()
141 if (pwm->hwpwm >= PCA9685_MAXCHAN) in pca9685_pwm_config()
144 reg = LED_N_OFF_L(pwm->hwpwm); in pca9685_pwm_config()
148 if (pwm->hwpwm >= PCA9685_MAXCHAN) in pca9685_pwm_config()
151 reg = LED_N_OFF_H(pwm->hwpwm); in pca9685_pwm_config()
156 if (pwm->hwpwm >= PCA9685_MAXCHAN) in pca9685_pwm_config()
159 reg = LED_N_ON_H(pwm->hwpwm); in pca9685_pwm_config()
169 if (pwm->hwpwm >= PCA9685_MAXCHAN) in pca9685_pwm_config()
[all …]
Dpwm-atmel.c70 void (*config)(struct pwm_chip *chip, struct pwm_device *pwm,
108 static int atmel_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in atmel_pwm_config() argument
118 if (pwm_is_enabled(pwm) && (period_ns != pwm_get_period(pwm))) { in atmel_pwm_config()
150 val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR); in atmel_pwm_config()
152 atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val); in atmel_pwm_config()
153 atmel_pwm->config(chip, pwm, dty, prd); in atmel_pwm_config()
156 atmel_pwm->updated_pwms &= ~(1 << pwm->hwpwm); in atmel_pwm_config()
163 static void atmel_pwm_config_v1(struct pwm_chip *chip, struct pwm_device *pwm, in atmel_pwm_config_v1() argument
170 atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWMV1_CUPD, dty); in atmel_pwm_config_v1()
172 val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR); in atmel_pwm_config_v1()
[all …]
Dpwm-twl-led.c69 static int twl4030_pwmled_config(struct pwm_chip *chip, struct pwm_device *pwm, in twl4030_pwmled_config() argument
92 base = pwm->hwpwm * 2 + TWL4030_PWMA_REG; in twl4030_pwmled_config()
98 dev_err(chip->dev, "%s: Failed to configure PWM\n", pwm->label); in twl4030_pwmled_config()
103 static int twl4030_pwmled_enable(struct pwm_chip *chip, struct pwm_device *pwm) in twl4030_pwmled_enable() argument
112 dev_err(chip->dev, "%s: Failed to read LEDEN\n", pwm->label); in twl4030_pwmled_enable()
116 val |= TWL4030_LED_TOGGLE(pwm->hwpwm, TWL4030_LED_PINS); in twl4030_pwmled_enable()
120 dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); in twl4030_pwmled_enable()
128 struct pwm_device *pwm) in twl4030_pwmled_disable() argument
137 dev_err(chip->dev, "%s: Failed to read LEDEN\n", pwm->label); in twl4030_pwmled_disable()
141 val &= ~TWL4030_LED_TOGGLE(pwm->hwpwm, TWL4030_LED_PINS); in twl4030_pwmled_disable()
[all …]
Dpwm-lpc18xx-sct.c128 struct pwm_device *pwm, in lpc18xx_pwm_set_conflict_res() argument
141 val &= ~LPC18XX_PWM_RES_MASK(pwm->hwpwm); in lpc18xx_pwm_set_conflict_res()
142 val |= LPC18XX_PWM_RES(pwm->hwpwm, action); in lpc18xx_pwm_set_conflict_res()
166 struct pwm_device *pwm, int duty_ns) in lpc18xx_pwm_config_duty() argument
169 struct lpc18xx_pwm_data *lpc18xx_data = pwm_get_chip_data(pwm); in lpc18xx_pwm_config_duty()
184 static int lpc18xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in lpc18xx_pwm_config() argument
209 pwm->hwpwm); in lpc18xx_pwm_config()
224 lpc18xx_pwm_config_duty(chip, pwm, duty_ns); in lpc18xx_pwm_config()
230 struct pwm_device *pwm, in lpc18xx_pwm_set_polarity() argument
236 static int lpc18xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in lpc18xx_pwm_enable() argument
[all …]
Dpwm-atmel-tcb.c53 struct pwm_device *pwm, in atmel_tcb_pwm_set_polarity() argument
56 struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm); in atmel_tcb_pwm_set_polarity()
64 struct pwm_device *pwm) in atmel_tcb_pwm_request() argument
70 unsigned group = pwm->hwpwm / 2; in atmel_tcb_pwm_request()
71 unsigned index = pwm->hwpwm % 2; in atmel_tcb_pwm_request()
85 pwm_set_chip_data(pwm, tcbpwm); in atmel_tcb_pwm_request()
116 tcbpwmc->pwms[pwm->hwpwm] = tcbpwm; in atmel_tcb_pwm_request()
121 static void atmel_tcb_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) in atmel_tcb_pwm_free() argument
124 struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm); in atmel_tcb_pwm_free()
127 clk_disable_unprepare(tc->clk[pwm->hwpwm / 2]); in atmel_tcb_pwm_free()
[all …]
/drivers/clocksource/
Dsamsung_pwm_timer.c83 static struct samsung_pwm_clocksource pwm; variable
96 reg = readl(pwm.base + REG_TCFG0); in samsung_timer_set_prescale()
99 writel(reg, pwm.base + REG_TCFG0); in samsung_timer_set_prescale()
111 bits = (fls(divisor) - 1) - pwm.variant.div_base; in samsung_timer_set_divisor()
115 reg = readl(pwm.base + REG_TCFG1); in samsung_timer_set_divisor()
118 writel(reg, pwm.base + REG_TCFG1); in samsung_timer_set_divisor()
133 tcon = readl_relaxed(pwm.base + REG_TCON); in samsung_time_stop()
135 writel_relaxed(tcon, pwm.base + REG_TCON); in samsung_time_stop()
151 tcon = readl_relaxed(pwm.base + REG_TCON); in samsung_time_setup()
156 writel_relaxed(tcnt, pwm.base + REG_TCNTB(channel)); in samsung_time_setup()
[all …]
/drivers/input/keyboard/
Dlm8323.c159 struct lm8323_pwm pwm[LM8323_NUM_PWMS]; member
363 static void pwm_done(struct lm8323_pwm *pwm) in pwm_done() argument
365 mutex_lock(&pwm->lock); in pwm_done()
366 pwm->running = false; in pwm_done()
367 if (pwm->desired_brightness != pwm->brightness) in pwm_done()
368 schedule_work(&pwm->work); in pwm_done()
369 mutex_unlock(&pwm->lock); in pwm_done()
404 pwm_done(&lm->pwm[i]); in lm8323_irq()
428 static void lm8323_write_pwm_one(struct lm8323_pwm *pwm, int pos, u16 cmd) in lm8323_write_pwm_one() argument
430 lm8323_write(pwm->chip, 4, LM8323_CMD_PWM_WRITE, (pos << 2) | pwm->id, in lm8323_write_pwm_one()
[all …]
/drivers/hwmon/
Dpwm-fan.c33 struct pwm_device *pwm; member
41 static int __set_pwm(struct pwm_fan_ctx *ctx, unsigned long pwm) in __set_pwm() argument
47 pwm_get_args(ctx->pwm, &pargs); in __set_pwm()
50 if (ctx->pwm_value == pwm) in __set_pwm()
53 duty = DIV_ROUND_UP(pwm * (pargs.period - 1), MAX_PWM); in __set_pwm()
54 ret = pwm_config(ctx->pwm, duty, pargs.period); in __set_pwm()
58 if (pwm == 0) in __set_pwm()
59 pwm_disable(ctx->pwm); in __set_pwm()
62 ret = pwm_enable(ctx->pwm); in __set_pwm()
67 ctx->pwm_value = pwm; in __set_pwm()
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/drivers/staging/greybus/
Dpwm.c23 struct pwm_chip *pwm; member
191 static int gb_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) in gb_pwm_request() argument
195 return gb_pwm_activate_operation(pwmc, pwm->hwpwm); in gb_pwm_request()
198 static void gb_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) in gb_pwm_free() argument
202 if (pwm_is_enabled(pwm)) in gb_pwm_free()
205 gb_pwm_deactivate_operation(pwmc, pwm->hwpwm); in gb_pwm_free()
208 static int gb_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in gb_pwm_config() argument
213 return gb_pwm_config_operation(pwmc, pwm->hwpwm, duty_ns, period_ns); in gb_pwm_config()
216 static int gb_pwm_set_polarity(struct pwm_chip *chip, struct pwm_device *pwm, in gb_pwm_set_polarity() argument
221 return gb_pwm_set_polarity_operation(pwmc, pwm->hwpwm, polarity); in gb_pwm_set_polarity()
[all …]

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