diff options
| -rw-r--r-- | drivers/pinctrl/pinctrl-axp209.c | 176 |
1 files changed, 88 insertions, 88 deletions
diff --git a/drivers/pinctrl/pinctrl-axp209.c b/drivers/pinctrl/pinctrl-axp209.c index 48cb57dcc575..17eeb0410a5b 100644 --- a/drivers/pinctrl/pinctrl-axp209.c +++ b/drivers/pinctrl/pinctrl-axp209.c @@ -57,7 +57,7 @@ struct axp20x_pinctrl_function { unsigned int ngroups; }; -struct axp20x_gpio { +struct axp20x_pctl { struct gpio_chip chip; struct regmap *regmap; struct pinctrl_dev *pctl_dev; @@ -100,11 +100,11 @@ static int axp20x_gpio_input(struct gpio_chip *chip, unsigned int offset) static int axp20x_gpio_get(struct gpio_chip *chip, unsigned int offset) { - struct axp20x_gpio *gpio = gpiochip_get_data(chip); + struct axp20x_pctl *pctl = gpiochip_get_data(chip); unsigned int val; int ret; - ret = regmap_read(gpio->regmap, AXP20X_GPIO20_SS, &val); + ret = regmap_read(pctl->regmap, AXP20X_GPIO20_SS, &val); if (ret) return ret; @@ -114,7 +114,7 @@ static int axp20x_gpio_get(struct gpio_chip *chip, unsigned int offset) static int axp20x_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) { - struct axp20x_gpio *gpio = gpiochip_get_data(chip); + struct axp20x_pctl *pctl = gpiochip_get_data(chip); unsigned int val; int reg, ret; @@ -122,7 +122,7 @@ static int axp20x_gpio_get_direction(struct gpio_chip *chip, if (reg < 0) return reg; - ret = regmap_read(gpio->regmap, reg, &val); + ret = regmap_read(pctl->regmap, reg, &val); if (ret) return ret; @@ -152,14 +152,14 @@ static int axp20x_gpio_output(struct gpio_chip *chip, unsigned int offset, static void axp20x_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) { - struct axp20x_gpio *gpio = gpiochip_get_data(chip); + struct axp20x_pctl *pctl = gpiochip_get_data(chip); int reg; reg = axp20x_gpio_get_reg(offset); if (reg < 0) return; - regmap_update_bits(gpio->regmap, reg, + regmap_update_bits(pctl->regmap, reg, AXP20X_GPIO_FUNCTIONS, value ? AXP20X_GPIO_FUNCTION_OUT_HIGH : AXP20X_GPIO_FUNCTION_OUT_LOW); @@ -168,30 +168,30 @@ static void axp20x_gpio_set(struct gpio_chip *chip, unsigned int offset, static int axp20x_pmx_set(struct pinctrl_dev *pctldev, unsigned int offset, u8 config) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); int reg; reg = axp20x_gpio_get_reg(offset); if (reg < 0) return reg; - return regmap_update_bits(gpio->regmap, reg, AXP20X_GPIO_FUNCTIONS, + return regmap_update_bits(pctl->regmap, reg, AXP20X_GPIO_FUNCTIONS, config); } static int axp20x_pmx_func_cnt(struct pinctrl_dev *pctldev) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); - return ARRAY_SIZE(gpio->funcs); + return ARRAY_SIZE(pctl->funcs); } static const char *axp20x_pmx_func_name(struct pinctrl_dev *pctldev, unsigned int selector) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); - return gpio->funcs[selector].name; + return pctl->funcs[selector].name; } static int axp20x_pmx_func_groups(struct pinctrl_dev *pctldev, @@ -199,10 +199,10 @@ static int axp20x_pmx_func_groups(struct pinctrl_dev *pctldev, const char * const **groups, unsigned int *num_groups) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); - *groups = gpio->funcs[selector].groups; - *num_groups = gpio->funcs[selector].ngroups; + *groups = pctl->funcs[selector].groups; + *num_groups = pctl->funcs[selector].ngroups; return 0; } @@ -210,18 +210,18 @@ static int axp20x_pmx_func_groups(struct pinctrl_dev *pctldev, static int axp20x_pmx_set_mux(struct pinctrl_dev *pctldev, unsigned int function, unsigned int group) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); unsigned int mask; /* Every pin supports GPIO_OUT and GPIO_IN functions */ if (function <= AXP20X_FUNC_GPIO_IN) return axp20x_pmx_set(pctldev, group, - gpio->funcs[function].muxval); + pctl->funcs[function].muxval); if (function == AXP20X_FUNC_LDO) - mask = gpio->desc->ldo_mask; + mask = pctl->desc->ldo_mask; else - mask = gpio->desc->adc_mask; + mask = pctl->desc->adc_mask; if (!(BIT(group) & mask)) return -EINVAL; @@ -235,21 +235,21 @@ static int axp20x_pmx_set_mux(struct pinctrl_dev *pctldev, if (function == AXP20X_FUNC_LDO) return 0; - return axp20x_pmx_set(pctldev, group, gpio->funcs[function].muxval); + return axp20x_pmx_set(pctldev, group, pctl->funcs[function].muxval); } static int axp20x_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, unsigned int offset, bool input) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); if (input) return axp20x_pmx_set(pctldev, offset, - gpio->funcs[AXP20X_FUNC_GPIO_IN].muxval); + pctl->funcs[AXP20X_FUNC_GPIO_IN].muxval); return axp20x_pmx_set(pctldev, offset, - gpio->funcs[AXP20X_FUNC_GPIO_OUT].muxval); + pctl->funcs[AXP20X_FUNC_GPIO_OUT].muxval); } static const struct pinmux_ops axp20x_pmx_ops = { @@ -263,17 +263,17 @@ static const struct pinmux_ops axp20x_pmx_ops = { static int axp20x_groups_cnt(struct pinctrl_dev *pctldev) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); - return gpio->desc->npins; + return pctl->desc->npins; } static int axp20x_group_pins(struct pinctrl_dev *pctldev, unsigned int selector, const unsigned int **pins, unsigned int *num_pins) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); - *pins = (unsigned int *)&gpio->desc->pins[selector]; + *pins = (unsigned int *)&pctl->desc->pins[selector]; *num_pins = 1; return 0; @@ -282,9 +282,9 @@ static int axp20x_group_pins(struct pinctrl_dev *pctldev, unsigned int selector, static const char *axp20x_group_name(struct pinctrl_dev *pctldev, unsigned int selector) { - struct axp20x_gpio *gpio = pinctrl_dev_get_drvdata(pctldev); + struct axp20x_pctl *pctl = pinctrl_dev_get_drvdata(pctldev); - return gpio->desc->pins[selector].name; + return pctl->desc->pins[selector].name; } static const struct pinctrl_ops axp20x_pctrl_ops = { @@ -319,44 +319,44 @@ static void axp20x_funcs_groups_from_mask(struct device *dev, unsigned int mask, static void axp20x_build_funcs_groups(struct platform_device *pdev) { - struct axp20x_gpio *gpio = platform_get_drvdata(pdev); - int i, pin, npins = gpio->desc->npins; - - gpio->funcs[AXP20X_FUNC_GPIO_OUT].name = "gpio_out"; - gpio->funcs[AXP20X_FUNC_GPIO_OUT].muxval = AXP20X_MUX_GPIO_OUT; - gpio->funcs[AXP20X_FUNC_GPIO_IN].name = "gpio_in"; - gpio->funcs[AXP20X_FUNC_GPIO_IN].muxval = AXP20X_MUX_GPIO_IN; - gpio->funcs[AXP20X_FUNC_LDO].name = "ldo"; + struct axp20x_pctl *pctl = platform_get_drvdata(pdev); + int i, pin, npins = pctl->desc->npins; + + pctl->funcs[AXP20X_FUNC_GPIO_OUT].name = "gpio_out"; + pctl->funcs[AXP20X_FUNC_GPIO_OUT].muxval = AXP20X_MUX_GPIO_OUT; + pctl->funcs[AXP20X_FUNC_GPIO_IN].name = "gpio_in"; + pctl->funcs[AXP20X_FUNC_GPIO_IN].muxval = AXP20X_MUX_GPIO_IN; + pctl->funcs[AXP20X_FUNC_LDO].name = "ldo"; /* * Muxval for LDO is useless as we won't use it. * See comment in axp20x_pmx_set_mux. */ - gpio->funcs[AXP20X_FUNC_ADC].name = "adc"; - gpio->funcs[AXP20X_FUNC_ADC].muxval = AXP20X_MUX_ADC; + pctl->funcs[AXP20X_FUNC_ADC].name = "adc"; + pctl->funcs[AXP20X_FUNC_ADC].muxval = AXP20X_MUX_ADC; /* Every pin supports GPIO_OUT and GPIO_IN functions */ for (i = 0; i <= AXP20X_FUNC_GPIO_IN; i++) { - gpio->funcs[i].ngroups = npins; - gpio->funcs[i].groups = devm_kzalloc(&pdev->dev, + pctl->funcs[i].ngroups = npins; + pctl->funcs[i].groups = devm_kzalloc(&pdev->dev, npins * sizeof(char *), GFP_KERNEL); for (pin = 0; pin < npins; pin++) - gpio->funcs[i].groups[pin] = gpio->desc->pins[pin].name; + pctl->funcs[i].groups[pin] = pctl->desc->pins[pin].name; } - axp20x_funcs_groups_from_mask(&pdev->dev, gpio->desc->ldo_mask, - npins, &gpio->funcs[AXP20X_FUNC_LDO], - gpio->desc->pins); + axp20x_funcs_groups_from_mask(&pdev->dev, pctl->desc->ldo_mask, + npins, &pctl->funcs[AXP20X_FUNC_LDO], + pctl->desc->pins); - axp20x_funcs_groups_from_mask(&pdev->dev, gpio->desc->adc_mask, - npins, &gpio->funcs[AXP20X_FUNC_ADC], - gpio->desc->pins); + axp20x_funcs_groups_from_mask(&pdev->dev, pctl->desc->adc_mask, + npins, &pctl->funcs[AXP20X_FUNC_ADC], + pctl->desc->pins); } -static int axp20x_gpio_probe(struct platform_device *pdev) +static int axp20x_pctl_probe(struct platform_device *pdev) { struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); - struct axp20x_gpio *gpio; + struct axp20x_pctl *pctl; struct pinctrl_desc *pctrl_desc; int ret; @@ -368,29 +368,29 @@ static int axp20x_gpio_probe(struct platform_device *pdev) return -EINVAL; } - gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL); - if (!gpio) + pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); + if (!pctl) return -ENOMEM; - gpio->chip.base = -1; - gpio->chip.can_sleep = true; - gpio->chip.request = gpiochip_generic_request; - gpio->chip.free = gpiochip_generic_free; - gpio->chip.parent = &pdev->dev; - gpio->chip.label = dev_name(&pdev->dev); - gpio->chip.owner = THIS_MODULE; - gpio->chip.get = axp20x_gpio_get; - gpio->chip.get_direction = axp20x_gpio_get_direction; - gpio->chip.set = axp20x_gpio_set; - gpio->chip.direction_input = axp20x_gpio_input; - gpio->chip.direction_output = axp20x_gpio_output; - gpio->chip.ngpio = 3; - - gpio->desc = &axp20x_data; - gpio->regmap = axp20x->regmap; - gpio->dev = &pdev->dev; - - platform_set_drvdata(pdev, gpio); + pctl->chip.base = -1; + pctl->chip.can_sleep = true; + pctl->chip.request = gpiochip_generic_request; + pctl->chip.free = gpiochip_generic_free; + pctl->chip.parent = &pdev->dev; + pctl->chip.label = dev_name(&pdev->dev); + pctl->chip.owner = THIS_MODULE; + pctl->chip.get = axp20x_gpio_get; + pctl->chip.get_direction = axp20x_gpio_get_direction; + pctl->chip.set = axp20x_gpio_set; + pctl->chip.direction_input = axp20x_gpio_input; + pctl->chip.direction_output = axp20x_gpio_output; + pctl->chip.ngpio = 3; + + pctl->desc = &axp20x_data; + pctl->regmap = axp20x->regmap; + pctl->dev = &pdev->dev; + + platform_set_drvdata(pdev, pctl); axp20x_build_funcs_groups(pdev); @@ -400,27 +400,27 @@ static int axp20x_gpio_probe(struct platform_device *pdev) pctrl_desc->name = dev_name(&pdev->dev); pctrl_desc->owner = THIS_MODULE; - pctrl_desc->pins = gpio->desc->pins; - pctrl_desc->npins = gpio->desc->npins; + pctrl_desc->pins = pctl->desc->pins; + pctrl_desc->npins = pctl->desc->npins; pctrl_desc->pctlops = &axp20x_pctrl_ops; pctrl_desc->pmxops = &axp20x_pmx_ops; - gpio->pctl_dev = devm_pinctrl_register(&pdev->dev, pctrl_desc, gpio); - if (IS_ERR(gpio->pctl_dev)) { + pctl->pctl_dev = devm_pinctrl_register(&pdev->dev, pctrl_desc, pctl); + if (IS_ERR(pctl->pctl_dev)) { dev_err(&pdev->dev, "couldn't register pinctrl driver\n"); - return PTR_ERR(gpio->pctl_dev); + return PTR_ERR(pctl->pctl_dev); } - ret = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio); + ret = devm_gpiochip_add_data(&pdev->dev, &pctl->chip, pctl); if (ret) { dev_err(&pdev->dev, "Failed to register GPIO chip\n"); return ret; } - ret = gpiochip_add_pin_range(&gpio->chip, dev_name(&pdev->dev), - gpio->desc->pins->number, - gpio->desc->pins->number, - gpio->desc->npins); + ret = gpiochip_add_pin_range(&pctl->chip, dev_name(&pdev->dev), + pctl->desc->pins->number, + pctl->desc->pins->number, + pctl->desc->npins); if (ret) { dev_err(&pdev->dev, "failed to add pin range\n"); return ret; @@ -431,21 +431,21 @@ static int axp20x_gpio_probe(struct platform_device *pdev) return 0; } -static const struct of_device_id axp20x_gpio_match[] = { +static const struct of_device_id axp20x_pctl_match[] = { { .compatible = "x-powers,axp209-gpio" }, { } }; -MODULE_DEVICE_TABLE(of, axp20x_gpio_match); +MODULE_DEVICE_TABLE(of, axp20x_pctl_match); -static struct platform_driver axp20x_gpio_driver = { - .probe = axp20x_gpio_probe, +static struct platform_driver axp20x_pctl_driver = { + .probe = axp20x_pctl_probe, .driver = { .name = "axp20x-gpio", - .of_match_table = axp20x_gpio_match, + .of_match_table = axp20x_pctl_match, }, }; -module_platform_driver(axp20x_gpio_driver); +module_platform_driver(axp20x_pctl_driver); MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>"); MODULE_AUTHOR("Quentin Schulz <quentin.schulz@free-electrons.com>"); |