diff options
Diffstat (limited to 'drivers/pinctrl/uniphier/pinctrl-uniphier-core.c')
| -rw-r--r-- | drivers/pinctrl/uniphier/pinctrl-uniphier-core.c | 48 |
1 files changed, 21 insertions, 27 deletions
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c index 546f23c9040c..30dec0ee7f35 100644 --- a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c +++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c @@ -1,5 +1,6 @@ /* - * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> + * Copyright (C) 2015-2017 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -26,11 +27,18 @@ #include "../pinctrl-utils.h" #include "pinctrl-uniphier.h" +#define UNIPHIER_PINCTRL_PINMUX_BASE 0x1000 +#define UNIPHIER_PINCTRL_LOAD_PINMUX 0x1700 +#define UNIPHIER_PINCTRL_DRVCTRL_BASE 0x1800 +#define UNIPHIER_PINCTRL_DRV2CTRL_BASE 0x1900 +#define UNIPHIER_PINCTRL_DRV3CTRL_BASE 0x1980 +#define UNIPHIER_PINCTRL_PUPDCTRL_BASE 0x1a00 +#define UNIPHIER_PINCTRL_IECTRL 0x1d00 + struct uniphier_pinctrl_priv { struct pinctrl_desc pctldesc; struct pinctrl_dev *pctldev; struct regmap *regmap; - unsigned int regbase; struct uniphier_pinctrl_socdata *socdata; }; @@ -171,7 +179,7 @@ static int uniphier_conf_pin_bias_get(struct pinctrl_dev *pctldev, reg = UNIPHIER_PINCTRL_PUPDCTRL_BASE + pupdctrl / 32 * 4; shift = pupdctrl % 32; - ret = regmap_read(priv->regmap, priv->regbase + reg, &val); + ret = regmap_read(priv->regmap, reg, &val); if (ret) return ret; @@ -231,7 +239,7 @@ static int uniphier_conf_pin_drive_get(struct pinctrl_dev *pctldev, shift = drvctrl % 32; mask = (1U << width) - 1; - ret = regmap_read(priv->regmap, priv->regbase + reg, &val); + ret = regmap_read(priv->regmap, reg, &val); if (ret) return ret; @@ -252,8 +260,7 @@ static int uniphier_conf_pin_input_enable_get(struct pinctrl_dev *pctldev, /* This pin is always input-enabled. */ return 0; - ret = regmap_read(priv->regmap, - priv->regbase + UNIPHIER_PINCTRL_IECTRL, &val); + ret = regmap_read(priv->regmap, UNIPHIER_PINCTRL_IECTRL, &val); if (ret) return ret; @@ -366,8 +373,7 @@ static int uniphier_conf_pin_bias_set(struct pinctrl_dev *pctldev, reg = UNIPHIER_PINCTRL_PUPDCTRL_BASE + pupdctrl / 32 * 4; shift = pupdctrl % 32; - return regmap_update_bits(priv->regmap, priv->regbase + reg, - 1 << shift, val << shift); + return regmap_update_bits(priv->regmap, reg, 1 << shift, val << shift); } static int uniphier_conf_pin_drive_set(struct pinctrl_dev *pctldev, @@ -427,7 +433,7 @@ static int uniphier_conf_pin_drive_set(struct pinctrl_dev *pctldev, shift = drvctrl % 32; mask = (1U << width) - 1; - return regmap_update_bits(priv->regmap, priv->regbase + reg, + return regmap_update_bits(priv->regmap, reg, mask << shift, val << shift); } @@ -451,7 +457,7 @@ static int uniphier_conf_pin_input_enable(struct pinctrl_dev *pctldev, if (iectrl == UNIPHIER_PIN_IECTRL_NONE) return enable ? 0 : -EINVAL; - reg = priv->regbase + UNIPHIER_PINCTRL_IECTRL + iectrl / 32 * 4; + reg = UNIPHIER_PINCTRL_IECTRL + iectrl / 32 * 4; mask = BIT(iectrl % 32); return regmap_update_bits(priv->regmap, reg, mask, enable ? mask : 0); @@ -601,7 +607,7 @@ static int uniphier_pmx_set_one_mux(struct pinctrl_dev *pctldev, unsigned pin, * stored in the offset+4. */ for (; reg < reg_end; reg += 4) { - ret = regmap_update_bits(priv->regmap, priv->regbase + reg, + ret = regmap_update_bits(priv->regmap, reg, mask << shift, muxval << shift); if (ret) return ret; @@ -610,8 +616,7 @@ static int uniphier_pmx_set_one_mux(struct pinctrl_dev *pctldev, unsigned pin, if (load_pinctrl) { ret = regmap_write(priv->regmap, - priv->regbase + UNIPHIER_PINCTRL_LOAD_PINMUX, - 1); + UNIPHIER_PINCTRL_LOAD_PINMUX, 1); if (ret) return ret; } @@ -698,20 +703,9 @@ int uniphier_pinctrl_probe(struct platform_device *pdev, if (!priv) return -ENOMEM; - if (of_device_is_compatible(dev->of_node, "socionext,ph1-ld4-pinctrl") || - of_device_is_compatible(dev->of_node, "socionext,ph1-pro4-pinctrl") || - of_device_is_compatible(dev->of_node, "socionext,ph1-sld8-pinctrl") || - of_device_is_compatible(dev->of_node, "socionext,ph1-pro5-pinctrl") || - of_device_is_compatible(dev->of_node, "socionext,proxstream2-pinctrl") || - of_device_is_compatible(dev->of_node, "socionext,ph1-ld6b-pinctrl")) { - /* old binding */ - priv->regmap = syscon_node_to_regmap(dev->of_node); - } else { - priv->regbase = 0x1000; - parent = of_get_parent(dev->of_node); - priv->regmap = syscon_node_to_regmap(parent); - of_node_put(parent); - } + parent = of_get_parent(dev->of_node); + priv->regmap = syscon_node_to_regmap(parent); + of_node_put(parent); if (IS_ERR(priv->regmap)) { dev_err(dev, "failed to get regmap\n"); |