On Mon, 03 Jul 2017, Lee Jones wrote: > On Fri, 09 Jun 2017, Guodong Xu wrote: > > > Add support for HiSilicon Hi6421v530 PMIC. Hi6421v530 communicates with > > main SoC via memory-mapped I/O. > > > > Hi6421v530 and Hi6421 are PMIC chips from the same vendor, HiSilicon, > > but at different revisions. They share the same memory-mapped I/O > > design. They differ in integrated devices, such as regulator details, > > LDO voltage points. > > > > Signed-off-by: Wang Xiaoyin <hw.wangxiaoyin@xxxxxxxxxxxxx> > > Signed-off-by: Guodong Xu <guodong.xu@xxxxxxxxxx> > > Acked-by: Arnd Bergmann <arnd@xxxxxxxx> > > --- > > drivers/mfd/hi6421-pmic-core.c | 70 ++++++++++++++++++++++++++++++----------- > > include/linux/mfd/hi6421-pmic.h | 5 +++ > > 2 files changed, 57 insertions(+), 18 deletions(-) > > For my own reference: > Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx> > > Plan is to apply this set after the merge-window closes. In order to make this process as easy as possible, can you rebase this set on v4.13-rc1 and apply my Ack to this patch please? > > diff --git a/drivers/mfd/hi6421-pmic-core.c b/drivers/mfd/hi6421-pmic-core.c > > index b1139d4..6fb7ba2 100644 > > --- a/drivers/mfd/hi6421-pmic-core.c > > +++ b/drivers/mfd/hi6421-pmic-core.c > > @@ -1,9 +1,9 @@ > > /* > > - * Device driver for Hi6421 IC > > + * Device driver for Hi6421 PMIC > > * > > * Copyright (c) <2011-2014> HiSilicon Technologies Co., Ltd. > > * http://www.hisilicon.com > > - * Copyright (c) <2013-2014> Linaro Ltd. > > + * Copyright (c) <2013-2017> Linaro Ltd. > > * http://www.linaro.org > > * > > * Author: Guodong Xu <guodong.xu@xxxxxxxxxx> > > @@ -16,16 +16,20 @@ > > #include <linux/device.h> > > #include <linux/err.h> > > #include <linux/mfd/core.h> > > +#include <linux/mfd/hi6421-pmic.h> > > #include <linux/module.h> > > -#include <linux/of.h> > > +#include <linux/of_device.h> > > #include <linux/platform_device.h> > > #include <linux/regmap.h> > > -#include <linux/mfd/hi6421-pmic.h> > > > > static const struct mfd_cell hi6421_devs[] = { > > { .name = "hi6421-regulator", }, > > }; > > > > +static const struct mfd_cell hi6421v530_devs[] = { > > + { .name = "hi6421v530-regulator", }, > > +}; > > + > > static const struct regmap_config hi6421_regmap_config = { > > .reg_bits = 32, > > .reg_stride = 4, > > @@ -33,12 +37,33 @@ static const struct regmap_config hi6421_regmap_config = { > > .max_register = HI6421_REG_TO_BUS_ADDR(HI6421_REG_MAX), > > }; > > > > +static const struct of_device_id of_hi6421_pmic_match[] = { > > + { > > + .compatible = "hisilicon,hi6421-pmic", > > + .data = (void *)HI6421 > > + }, > > + { > > + .compatible = "hisilicon,hi6421v530-pmic", > > + .data = (void *)HI6421_V530 > > + }, > > + { }, > > +}; > > +MODULE_DEVICE_TABLE(of, of_hi6421_pmic_match); > > + > > static int hi6421_pmic_probe(struct platform_device *pdev) > > { > > struct hi6421_pmic *pmic; > > struct resource *res; > > + const struct of_device_id *id; > > + const struct mfd_cell *subdevs; > > + enum hi6421_type type; > > void __iomem *base; > > - int ret; > > + int n_subdevs, ret; > > + > > + id = of_match_device(of_hi6421_pmic_match, &pdev->dev); > > + if (!id) > > + return -EINVAL; > > + type = (enum hi6421_type)id->data; > > > > pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); > > if (!pmic) > > @@ -57,18 +82,33 @@ static int hi6421_pmic_probe(struct platform_device *pdev) > > return PTR_ERR(pmic->regmap); > > } > > > > - /* set over-current protection debounce 8ms */ > > - regmap_update_bits(pmic->regmap, HI6421_OCP_DEB_CTRL_REG, > > + platform_set_drvdata(pdev, pmic); > > + > > + switch (type) { > > + case HI6421: > > + /* set over-current protection debounce 8ms */ > > + regmap_update_bits(pmic->regmap, HI6421_OCP_DEB_CTRL_REG, > > (HI6421_OCP_DEB_SEL_MASK > > | HI6421_OCP_EN_DEBOUNCE_MASK > > | HI6421_OCP_AUTO_STOP_MASK), > > (HI6421_OCP_DEB_SEL_8MS > > | HI6421_OCP_EN_DEBOUNCE_ENABLE)); > > > > - platform_set_drvdata(pdev, pmic); > > + subdevs = hi6421_devs; > > + n_subdevs = ARRAY_SIZE(hi6421_devs); > > + break; > > + case HI6421_V530: > > + subdevs = hi6421v530_devs; > > + n_subdevs = ARRAY_SIZE(hi6421v530_devs); > > + break; > > + default: > > + dev_err(&pdev->dev, "Unknown device type %d\n", > > + (unsigned int)type); > > + return -EINVAL; > > + } > > > > - ret = devm_mfd_add_devices(&pdev->dev, 0, hi6421_devs, > > - ARRAY_SIZE(hi6421_devs), NULL, 0, NULL); > > + ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE, > > + subdevs, n_subdevs, NULL, 0, NULL); > > if (ret) { > > dev_err(&pdev->dev, "Failed to add child devices: %d\n", ret); > > return ret; > > @@ -77,16 +117,10 @@ static int hi6421_pmic_probe(struct platform_device *pdev) > > return 0; > > } > > > > -static const struct of_device_id of_hi6421_pmic_match_tbl[] = { > > - { .compatible = "hisilicon,hi6421-pmic", }, > > - { }, > > -}; > > -MODULE_DEVICE_TABLE(of, of_hi6421_pmic_match_tbl); > > - > > static struct platform_driver hi6421_pmic_driver = { > > .driver = { > > - .name = "hi6421_pmic", > > - .of_match_table = of_hi6421_pmic_match_tbl, > > + .name = "hi6421_pmic", > > + .of_match_table = of_hi6421_pmic_match, > > }, > > .probe = hi6421_pmic_probe, > > }; > > diff --git a/include/linux/mfd/hi6421-pmic.h b/include/linux/mfd/hi6421-pmic.h > > index 587273e..2580c08 100644 > > --- a/include/linux/mfd/hi6421-pmic.h > > +++ b/include/linux/mfd/hi6421-pmic.h > > @@ -38,4 +38,9 @@ struct hi6421_pmic { > > struct regmap *regmap; > > }; > > > > +enum hi6421_type { > > + HI6421 = 0, > > + HI6421_V530, > > +}; > > + > > #endif /* __HI6421_PMIC_H */ > -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
