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/linux-5.19.10/drivers/pwm/
DMakefile4 obj-$(CONFIG_PWM_AB8500) += pwm-ab8500.o
5 obj-$(CONFIG_PWM_ATMEL) += pwm-atmel.o
6 obj-$(CONFIG_PWM_ATMEL_HLCDC_PWM) += pwm-atmel-hlcdc.o
7 obj-$(CONFIG_PWM_ATMEL_TCB) += pwm-atmel-tcb.o
8 obj-$(CONFIG_PWM_BCM_IPROC) += pwm-bcm-iproc.o
9 obj-$(CONFIG_PWM_BCM_KONA) += pwm-bcm-kona.o
10 obj-$(CONFIG_PWM_BCM2835) += pwm-bcm2835.o
11 obj-$(CONFIG_PWM_BERLIN) += pwm-berlin.o
12 obj-$(CONFIG_PWM_BRCMSTB) += pwm-brcmstb.o
13 obj-$(CONFIG_PWM_CLPS711X) += pwm-clps711x.o
[all …]
Dcore.c35 static struct pwm_device *pwm_to_device(unsigned int pwm) in pwm_to_device() argument
37 return radix_tree_lookup(&pwm_tree, pwm); in pwm_to_device()
58 struct pwm_device *pwm = &chip->pwms[i]; in free_pwms() local
60 radix_tree_delete(&pwm_tree, pwm->pwm); in free_pwms()
92 static int pwm_device_request(struct pwm_device *pwm, const char *label) in pwm_device_request() argument
96 if (test_bit(PWMF_REQUESTED, &pwm->flags)) in pwm_device_request()
99 if (!try_module_get(pwm->chip->ops->owner)) in pwm_device_request()
102 if (pwm->chip->ops->request) { in pwm_device_request()
103 err = pwm->chip->ops->request(pwm->chip, pwm); in pwm_device_request()
105 module_put(pwm->chip->ops->owner); in pwm_device_request()
[all …]
Dpwm-twl.c32 #define TWL4030_PWM_TOGGLE(pwm, x) ((x) << (pwm)) argument
46 #define TWL6030_PWM_TOGGLE(pwm, x) ((x) << (pwm * 3)) argument
60 static int twl_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in twl_pwm_config() argument
83 base = pwm->hwpwm * 3; in twl_pwm_config()
89 dev_err(chip->dev, "%s: Failed to configure PWM\n", pwm->label); in twl_pwm_config()
94 static int twl4030_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in twl4030_pwm_enable() argument
103 dev_err(chip->dev, "%s: Failed to read GPBR1\n", pwm->label); in twl4030_pwm_enable()
107 val |= TWL4030_PWM_TOGGLE(pwm->hwpwm, TWL4030_PWMXCLK_ENABLE); in twl4030_pwm_enable()
111 dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); in twl4030_pwm_enable()
113 val |= TWL4030_PWM_TOGGLE(pwm->hwpwm, TWL4030_PWMX_ENABLE); in twl4030_pwm_enable()
[all …]
Dsysfs.c19 struct pwm_device *pwm; member
33 return export->pwm; in child_to_pwm_device()
40 const struct pwm_device *pwm = child_to_pwm_device(child); in period_show() local
43 pwm_get_state(pwm, &state); in period_show()
53 struct pwm_device *pwm = export->pwm; in period_store() local
63 pwm_get_state(pwm, &state); in period_store()
65 ret = pwm_apply_state(pwm, &state); in period_store()
75 const struct pwm_device *pwm = child_to_pwm_device(child); in duty_cycle_show() local
78 pwm_get_state(pwm, &state); in duty_cycle_show()
88 struct pwm_device *pwm = export->pwm; in duty_cycle_store() local
[all …]
Dpwm-vt8500.c31 #define REG_CTRL(pwm) (((pwm) << 4) + 0x00) argument
32 #define REG_SCALAR(pwm) (((pwm) << 4) + 0x04) argument
33 #define REG_PERIOD(pwm) (((pwm) << 4) + 0x08) argument
34 #define REG_DUTY(pwm) (((pwm) << 4) + 0x0C) argument
72 static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in vt8500_pwm_config() argument
108 writel(prescale, vt8500->base + REG_SCALAR(pwm->hwpwm)); in vt8500_pwm_config()
109 vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_SCALAR_UPDATE); in vt8500_pwm_config()
111 writel(pv, vt8500->base + REG_PERIOD(pwm->hwpwm)); in vt8500_pwm_config()
112 vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_PERIOD_UPDATE); in vt8500_pwm_config()
114 writel(dc, vt8500->base + REG_DUTY(pwm->hwpwm)); in vt8500_pwm_config()
[all …]
Dpwm-lpss.c37 static inline u32 pwm_lpss_read(const struct pwm_device *pwm) in pwm_lpss_read() argument
39 struct pwm_lpss_chip *lpwm = to_lpwm(pwm->chip); in pwm_lpss_read()
41 return readl(lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM); in pwm_lpss_read()
44 static inline void pwm_lpss_write(const struct pwm_device *pwm, u32 value) in pwm_lpss_write() argument
46 struct pwm_lpss_chip *lpwm = to_lpwm(pwm->chip); in pwm_lpss_write()
48 writel(value, lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM); in pwm_lpss_write()
51 static int pwm_lpss_wait_for_update(struct pwm_device *pwm) in pwm_lpss_wait_for_update() argument
53 struct pwm_lpss_chip *lpwm = to_lpwm(pwm->chip); in pwm_lpss_wait_for_update()
54 const void __iomem *addr = lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM; in pwm_lpss_wait_for_update()
72 dev_err(pwm->chip->dev, "PWM_SW_UPDATE was not cleared\n"); in pwm_lpss_wait_for_update()
[all …]
Dpwm-twl-led.c58 static int twl4030_pwmled_config(struct pwm_chip *chip, struct pwm_device *pwm, in twl4030_pwmled_config() argument
81 base = pwm->hwpwm * 2 + TWL4030_PWMA_REG; in twl4030_pwmled_config()
87 dev_err(chip->dev, "%s: Failed to configure PWM\n", pwm->label); in twl4030_pwmled_config()
92 static int twl4030_pwmled_enable(struct pwm_chip *chip, struct pwm_device *pwm) in twl4030_pwmled_enable() argument
101 dev_err(chip->dev, "%s: Failed to read LEDEN\n", pwm->label); in twl4030_pwmled_enable()
105 val |= TWL4030_LED_TOGGLE(pwm->hwpwm, TWL4030_LED_PINS); in twl4030_pwmled_enable()
109 dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); in twl4030_pwmled_enable()
117 struct pwm_device *pwm) in twl4030_pwmled_disable() argument
126 dev_err(chip->dev, "%s: Failed to read LEDEN\n", pwm->label); in twl4030_pwmled_disable()
130 val &= ~TWL4030_LED_TOGGLE(pwm->hwpwm, TWL4030_LED_PINS); in twl4030_pwmled_disable()
[all …]
Dpwm-stmpe.c39 static int stmpe_24xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in stmpe_24xx_pwm_enable() argument
48 pwm->hwpwm); in stmpe_24xx_pwm_enable()
52 value = ret | BIT(pwm->hwpwm); in stmpe_24xx_pwm_enable()
57 pwm->hwpwm); in stmpe_24xx_pwm_enable()
65 struct pwm_device *pwm) in stmpe_24xx_pwm_disable() argument
74 pwm->hwpwm); in stmpe_24xx_pwm_disable()
78 value = ret & ~BIT(pwm->hwpwm); in stmpe_24xx_pwm_disable()
83 pwm->hwpwm); in stmpe_24xx_pwm_disable()
99 static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, in stmpe_24xx_pwm_config() argument
113 if (pwm_is_enabled(pwm)) { in stmpe_24xx_pwm_config()
[all …]
Dpwm-jz4740.c50 static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) in jz4740_pwm_request() argument
57 if (!jz4740_pwm_can_use_chn(jz, pwm->hwpwm)) in jz4740_pwm_request()
60 snprintf(name, sizeof(name), "timer%u", pwm->hwpwm); in jz4740_pwm_request()
73 pwm_set_chip_data(pwm, clk); in jz4740_pwm_request()
78 static void jz4740_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) in jz4740_pwm_free() argument
80 struct clk *clk = pwm_get_chip_data(pwm); in jz4740_pwm_free()
86 static int jz4740_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) in jz4740_pwm_enable() argument
91 regmap_update_bits(jz->map, TCU_REG_TCSRc(pwm->hwpwm), in jz4740_pwm_enable()
95 regmap_write(jz->map, TCU_REG_TESR, BIT(pwm->hwpwm)); in jz4740_pwm_enable()
100 static void jz4740_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) in jz4740_pwm_disable() argument
[all …]
Dpwm-samsung.c121 struct pwm_device *pwm) in __pwm_samsung_manual_update() argument
123 unsigned int tcon_chan = to_tcon_channel(pwm->hwpwm); in __pwm_samsung_manual_update()
134 static void pwm_samsung_set_divisor(struct samsung_pwm_chip *pwm, in pwm_samsung_set_divisor() argument
142 bits = (fls(divisor) - 1) - pwm->variant.div_base; in pwm_samsung_set_divisor()
146 reg = readl(pwm->base + REG_TCFG1); in pwm_samsung_set_divisor()
149 writel(reg, pwm->base + REG_TCFG1); in pwm_samsung_set_divisor()
228 static int pwm_samsung_request(struct pwm_chip *chip, struct pwm_device *pwm) in pwm_samsung_request() argument
233 if (!(our_chip->variant.output_mask & BIT(pwm->hwpwm))) { in pwm_samsung_request()
236 pwm->hwpwm); in pwm_samsung_request()
244 pwm_set_chip_data(pwm, our_chan); in pwm_samsung_request()
[all …]
Dpwm-crc.c54 static int crc_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, in crc_pwm_apply() argument
69 if (pwm_is_enabled(pwm) && !state->enabled) { in crc_pwm_apply()
77 if (pwm_get_duty_cycle(pwm) != state->duty_cycle || in crc_pwm_apply()
78 pwm_get_period(pwm) != state->period) { in crc_pwm_apply()
90 if (pwm_is_enabled(pwm) && state->enabled && in crc_pwm_apply()
91 pwm_get_period(pwm) != state->period) { in crc_pwm_apply()
100 if (pwm_get_period(pwm) != state->period || in crc_pwm_apply()
101 pwm_is_enabled(pwm) != state->enabled) { in crc_pwm_apply()
113 if (!pwm_is_enabled(pwm) && state->enabled) { in crc_pwm_apply()
124 static void crc_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, in crc_pwm_get_state() argument
[all …]
/linux-5.19.10/drivers/clocksource/
Dsamsung_pwm_timer.c79 static struct samsung_pwm_clocksource pwm; variable
92 reg = readl(pwm.base + REG_TCFG0); in samsung_timer_set_prescale()
95 writel(reg, pwm.base + REG_TCFG0); in samsung_timer_set_prescale()
107 bits = (fls(divisor) - 1) - pwm.variant.div_base; in samsung_timer_set_divisor()
111 reg = readl(pwm.base + REG_TCFG1); in samsung_timer_set_divisor()
114 writel(reg, pwm.base + REG_TCFG1); in samsung_timer_set_divisor()
129 tcon = readl_relaxed(pwm.base + REG_TCON); in samsung_time_stop()
131 writel_relaxed(tcon, pwm.base + REG_TCON); in samsung_time_stop()
147 tcon = readl_relaxed(pwm.base + REG_TCON); in samsung_time_setup()
152 writel_relaxed(tcnt, pwm.base + REG_TCNTB(channel)); in samsung_time_setup()
[all …]
/linux-5.19.10/include/linux/
Dpwm.h86 unsigned int pwm; member
105 static inline void pwm_get_state(const struct pwm_device *pwm, in pwm_get_state() argument
108 *state = pwm->state; in pwm_get_state()
111 static inline bool pwm_is_enabled(const struct pwm_device *pwm) in pwm_is_enabled() argument
115 pwm_get_state(pwm, &state); in pwm_is_enabled()
120 static inline void pwm_set_period(struct pwm_device *pwm, u64 period) in pwm_set_period() argument
122 if (pwm) in pwm_set_period()
123 pwm->state.period = period; in pwm_set_period()
126 static inline u64 pwm_get_period(const struct pwm_device *pwm) in pwm_get_period() argument
130 pwm_get_state(pwm, &state); in pwm_get_period()
[all …]
/linux-5.19.10/Documentation/devicetree/bindings/pwm/
Drenesas,pwm-rcar.yaml4 $id: http://devicetree.org/schemas/pwm/renesas,pwm-rcar.yaml#
16 - renesas,pwm-r8a7742 # RZ/G1H
17 - renesas,pwm-r8a7743 # RZ/G1M
18 - renesas,pwm-r8a7744 # RZ/G1N
19 - renesas,pwm-r8a7745 # RZ/G1E
20 - renesas,pwm-r8a77470 # RZ/G1C
21 - renesas,pwm-r8a774a1 # RZ/G2M
22 - renesas,pwm-r8a774b1 # RZ/G2N
23 - renesas,pwm-r8a774c0 # RZ/G2E
24 - renesas,pwm-r8a774e1 # RZ/G2H
[all …]
Dimx-pwm.yaml4 $id: http://devicetree.org/schemas/pwm/imx-pwm.yaml#
13 - $ref: pwm.yaml#
16 "#pwm-cells":
18 Should be 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml
27 - fsl,imx1-pwm
28 - fsl,imx27-pwm
31 - fsl,imx25-pwm
32 - fsl,imx31-pwm
33 - fsl,imx50-pwm
34 - fsl,imx51-pwm
[all …]
Dpwm-rockchip.yaml4 $id: http://devicetree.org/schemas/pwm/pwm-rockchip.yaml#
15 - const: rockchip,rk2928-pwm
16 - const: rockchip,rk3288-pwm
17 - const: rockchip,rk3328-pwm
18 - const: rockchip,vop-pwm
20 - const: rockchip,rk3036-pwm
21 - const: rockchip,rk2928-pwm
24 - rockchip,rk3368-pwm
25 - rockchip,rk3399-pwm
26 - rockchip,rv1108-pwm
[all …]
Dallwinner,sun4i-a10-pwm.yaml4 $id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml#
14 "#pwm-cells":
19 - const: allwinner,sun4i-a10-pwm
20 - const: allwinner,sun5i-a10s-pwm
21 - const: allwinner,sun5i-a13-pwm
22 - const: allwinner,sun7i-a20-pwm
23 - const: allwinner,sun8i-h3-pwm
25 - const: allwinner,sun8i-a83t-pwm
26 - const: allwinner,sun8i-h3-pwm
28 - const: allwinner,sun8i-v3s-pwm
[all …]
Dpwm.txt8 with a property containing a 'pwm-list':
10 pwm-list ::= <single-pwm> [pwm-list]
11 single-pwm ::= <pwm-phandle> <pwm-specifier>
12 pwm-phandle : phandle to PWM controller node
13 pwm-specifier : array of #pwm-cells specifying the given PWM
18 An optional property "pwm-names" may contain a list of strings to label
19 each of the PWM devices listed in the "pwms" property. If no "pwm-names"
23 "pwm-names" property to map the name of the PWM device requested by the
29 pwm: pwm {
30 #pwm-cells = <2>;
[all …]
Dmediatek,pwm-disp.yaml4 $id: http://devicetree.org/schemas/pwm/mediatek,pwm-disp.yaml#
14 - $ref: pwm.yaml#
20 - mediatek,mt2701-disp-pwm
21 - mediatek,mt6595-disp-pwm
22 - mediatek,mt8173-disp-pwm
23 - mediatek,mt8183-disp-pwm
25 - const: mediatek,mt8167-disp-pwm
26 - const: mediatek,mt8173-disp-pwm
29 - mediatek,mt8186-disp-pwm
30 - mediatek,mt8192-disp-pwm
[all …]
Dpwm-samsung.yaml4 $id: http://devicetree.org/schemas/pwm/pwm-samsung.yaml#
24 - samsung,s3c2410-pwm # 16-bit, S3C24xx
25 - samsung,s3c6400-pwm # 32-bit, S3C64xx
26 - samsung,s5p6440-pwm # 32-bit, S5P64x0
27 - samsung,s5pc100-pwm # 32-bit, S5PC100, S5PV210, Exynos4210 rev0 SoCs
28 - samsung,exynos4210-pwm # 32-bit, Exynos
42 - "pwm-tclk0" - first external PWM clock source,
43 - "pwm-tclk1" - second external PWM clock source.
52 - const: pwm-tclk0
55 - const: pwm-tclk1
[all …]
Dnvidia,tegra20-pwm.txt5 - "nvidia,tegra20-pwm": for Tegra20
6 - "nvidia,tegra30-pwm", "nvidia,tegra20-pwm": for Tegra30
7 - "nvidia,tegra114-pwm", "nvidia,tegra20-pwm": for Tegra114
8 - "nvidia,tegra124-pwm", "nvidia,tegra20-pwm": for Tegra124
9 - "nvidia,tegra132-pwm", "nvidia,tegra20-pwm": for Tegra132
10 - "nvidia,tegra210-pwm", "nvidia,tegra20-pwm": for Tegra210
11 - "nvidia,tegra186-pwm": for Tegra186
12 - "nvidia,tegra194-pwm": for Tegra194
14 - #pwm-cells: should be 2. See pwm.yaml in this directory for a description of
21 - pwm
[all …]
Datmel,at91sam-pwm.yaml5 $id: http://devicetree.org/schemas/pwm/atmel,at91sam-pwm.yaml#
14 - $ref: "pwm.yaml#"
21 - atmel,at91sam9rl-pwm
22 - atmel,sama5d3-pwm
23 - atmel,sama5d2-pwm
24 - microchip,sam9x60-pwm
26 - const: microchip,sama7g5-pwm
27 - const: atmel,sama5d2-pwm
32 "#pwm-cells":
43 pwm0: pwm@f8034000 {
[all …]
Dpwm-meson.txt5 - compatible: Shall contain "amlogic,meson8b-pwm"
6 or "amlogic,meson-gxbb-pwm"
7 or "amlogic,meson-gxbb-ao-pwm"
8 or "amlogic,meson-axg-ee-pwm"
9 or "amlogic,meson-axg-ao-pwm"
10 or "amlogic,meson-g12a-ee-pwm"
11 or "amlogic,meson-g12a-ao-pwm-ab"
12 or "amlogic,meson-g12a-ao-pwm-cd"
13 - #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of
23 pwm_ab: pwm@8550 {
[all …]
/linux-5.19.10/drivers/input/keyboard/
Dlm8323.c147 struct lm8323_pwm pwm[LM8323_NUM_PWMS]; member
351 static void pwm_done(struct lm8323_pwm *pwm) in pwm_done() argument
353 mutex_lock(&pwm->lock); in pwm_done()
354 pwm->running = false; in pwm_done()
355 if (pwm->desired_brightness != pwm->brightness) in pwm_done()
356 schedule_work(&pwm->work); in pwm_done()
357 mutex_unlock(&pwm->lock); in pwm_done()
392 pwm_done(&lm->pwm[i]); in lm8323_irq()
416 static void lm8323_write_pwm_one(struct lm8323_pwm *pwm, int pos, u16 cmd) in lm8323_write_pwm_one() argument
418 lm8323_write(pwm->chip, 4, LM8323_CMD_PWM_WRITE, (pos << 2) | pwm->id, in lm8323_write_pwm_one()
[all …]
/linux-5.19.10/include/trace/events/
Dpwm.h3 #define TRACE_SYSTEM pwm
11 DECLARE_EVENT_CLASS(pwm,
13 TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state),
15 TP_ARGS(pwm, state),
18 __field(struct pwm_device *, pwm)
26 __entry->pwm = pwm;
34 __entry->pwm, __entry->period, __entry->duty_cycle,
39 DEFINE_EVENT(pwm, pwm_apply,
41 TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state),
43 TP_ARGS(pwm, state)
[all …]

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