diff options
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mtk-common.c')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 88 |
1 files changed, 59 insertions, 29 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 5f7c421ab6e7..f25b3e09386b 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -131,7 +131,7 @@ static int mtk_pconf_set_ies_smt(struct mtk_pinctrl *pctl, unsigned pin, */ if (pctl->devdata->spec_ies_smt_set) { return pctl->devdata->spec_ies_smt_set(mtk_get_regmap(pctl, pin), - pin, pctl->devdata->port_align, value, arg); + pctl->devdata, pin, value, arg); } if (arg == PIN_CONFIG_INPUT_ENABLE) @@ -151,10 +151,27 @@ static int mtk_pconf_set_ies_smt(struct mtk_pinctrl *pctl, unsigned pin, } int mtk_pconf_spec_set_ies_smt_range(struct regmap *regmap, - const struct mtk_pin_ies_smt_set *ies_smt_infos, unsigned int info_num, - unsigned int pin, unsigned char align, int value) + const struct mtk_pinctrl_devdata *devdata, + unsigned int pin, int value, enum pin_config_param arg) { - unsigned int i, reg_addr, bit; + const struct mtk_pin_ies_smt_set *ies_smt_infos = NULL; + unsigned int i, info_num, reg_addr, bit; + + switch (arg) { + case PIN_CONFIG_INPUT_ENABLE: + ies_smt_infos = devdata->spec_ies; + info_num = devdata->n_spec_ies; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + ies_smt_infos = devdata->spec_smt; + info_num = devdata->n_spec_smt; + break; + default: + break; + } + + if (!ies_smt_infos) + return -EINVAL; for (i = 0; i < info_num; i++) { if (pin >= ies_smt_infos[i].start && @@ -167,9 +184,9 @@ int mtk_pconf_spec_set_ies_smt_range(struct regmap *regmap, return -EINVAL; if (value) - reg_addr = ies_smt_infos[i].offset + align; + reg_addr = ies_smt_infos[i].offset + devdata->port_align; else - reg_addr = ies_smt_infos[i].offset + (align << 1); + reg_addr = ies_smt_infos[i].offset + (devdata->port_align << 1); bit = BIT(ies_smt_infos[i].bit); regmap_write(regmap, reg_addr, bit); @@ -222,9 +239,8 @@ static int mtk_pconf_set_driving(struct mtk_pinctrl *pctl, } int mtk_pctrl_spec_pull_set_samereg(struct regmap *regmap, - const struct mtk_pin_spec_pupd_set_samereg *pupd_infos, - unsigned int info_num, unsigned int pin, - unsigned char align, bool isup, unsigned int r1r0) + const struct mtk_pinctrl_devdata *devdata, + unsigned int pin, bool isup, unsigned int r1r0) { unsigned int i; unsigned int reg_pupd, reg_set, reg_rst; @@ -232,8 +248,11 @@ int mtk_pctrl_spec_pull_set_samereg(struct regmap *regmap, const struct mtk_pin_spec_pupd_set_samereg *spec_pupd_pin; bool find = false; - for (i = 0; i < info_num; i++) { - if (pin == pupd_infos[i].pin) { + if (!devdata->spec_pupd) + return -EINVAL; + + for (i = 0; i < devdata->n_spec_pupd; i++) { + if (pin == devdata->spec_pupd[i].pin) { find = true; break; } @@ -242,9 +261,9 @@ int mtk_pctrl_spec_pull_set_samereg(struct regmap *regmap, if (!find) return -EINVAL; - spec_pupd_pin = pupd_infos + i; - reg_set = spec_pupd_pin->offset + align; - reg_rst = spec_pupd_pin->offset + (align << 1); + spec_pupd_pin = devdata->spec_pupd + i; + reg_set = spec_pupd_pin->offset + devdata->port_align; + reg_rst = spec_pupd_pin->offset + (devdata->port_align << 1); if (isup) reg_pupd = reg_rst; @@ -298,7 +317,8 @@ static int mtk_pconf_set_pull_select(struct mtk_pinctrl *pctl, */ r1r0 = enable ? arg : MTK_PUPD_SET_R1R0_00; ret = pctl->devdata->spec_pull_set(mtk_get_regmap(pctl, pin), - pin, pctl->devdata->port_align, isup, r1r0); + pctl->devdata, pin, isup, + r1r0); if (!ret) return 0; } @@ -1013,10 +1033,12 @@ static int mtk_eint_init(struct mtk_pinctrl *pctl, struct platform_device *pdev) return mtk_eint_do_init(pctl->eint); } +/* This is used as a common probe function */ int mtk_pctrl_init(struct platform_device *pdev, const struct mtk_pinctrl_devdata *data, struct regmap *regmap) { + struct device *dev = &pdev->dev; struct pinctrl_pin_desc *pins; struct mtk_pinctrl *pctl; struct device_node *np = pdev->dev.of_node, *node; @@ -1030,37 +1052,35 @@ int mtk_pctrl_init(struct platform_device *pdev, platform_set_drvdata(pdev, pctl); prop = of_find_property(np, "pins-are-numbered", NULL); - if (!prop) { - dev_err(&pdev->dev, "only support pins-are-numbered format\n"); - return -EINVAL; - } + if (!prop) + return dev_err_probe(dev, -EINVAL, + "only support pins-are-numbered format\n"); node = of_parse_phandle(np, "mediatek,pctl-regmap", 0); if (node) { pctl->regmap1 = syscon_node_to_regmap(node); + of_node_put(node); if (IS_ERR(pctl->regmap1)) return PTR_ERR(pctl->regmap1); } else if (regmap) { pctl->regmap1 = regmap; } else { - dev_err(&pdev->dev, "Pinctrl node has not register regmap.\n"); - return -EINVAL; + return dev_err_probe(dev, -EINVAL, "Cannot find pinctrl regmap.\n"); } /* Only 8135 has two base addr, other SoCs have only one. */ node = of_parse_phandle(np, "mediatek,pctl-regmap", 1); if (node) { pctl->regmap2 = syscon_node_to_regmap(node); + of_node_put(node); if (IS_ERR(pctl->regmap2)) return PTR_ERR(pctl->regmap2); } pctl->devdata = data; ret = mtk_pctrl_build_state(pdev); - if (ret) { - dev_err(&pdev->dev, "build state failed: %d\n", ret); - return -EINVAL; - } + if (ret) + return dev_err_probe(dev, ret, "build state failed\n"); pins = devm_kcalloc(&pdev->dev, pctl->devdata->npins, sizeof(*pins), GFP_KERNEL); @@ -1081,10 +1101,9 @@ int mtk_pctrl_init(struct platform_device *pdev, pctl->pctl_dev = devm_pinctrl_register(&pdev->dev, &pctl->pctl_desc, pctl); - if (IS_ERR(pctl->pctl_dev)) { - dev_err(&pdev->dev, "couldn't register pinctrl driver\n"); - return PTR_ERR(pctl->pctl_dev); - } + if (IS_ERR(pctl->pctl_dev)) + return dev_err_probe(dev, PTR_ERR(pctl->pctl_dev), + "Couldn't register pinctrl driver\n"); pctl->chip = devm_kzalloc(&pdev->dev, sizeof(*pctl->chip), GFP_KERNEL); if (!pctl->chip) @@ -1118,3 +1137,14 @@ chip_error: gpiochip_remove(pctl->chip); return ret; } + +int mtk_pctrl_common_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct mtk_pinctrl_devdata *data = device_get_match_data(dev); + + if (!data) + return -ENODEV; + + return mtk_pctrl_init(pdev, data, NULL); +} |