Message ID | 1451910472-126417-4-git-send-email-puck.chen@hisilicon.com |
---|---|
State | Superseded |
Headers | show |
Obviously I am unable to accept (or even review) this patch until these issues are resolved. Please fix and resubmit the set. On Tue, 05 Jan 2016, kbuild test robot wrote: > [auto build test WARNING on v4.4-rc8] > [also build test WARNING on next-20160104] > [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] > > url: https://github.com/0day-ci/linux/commits/Chen-Feng/Add-Support-for-Hi6220-PMIC-Hi6553-MFD-Core/20160104-203635 > config: parisc-allmodconfig (attached as .config) > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=parisc > > All warnings (new ones prefixed by >>): > > In file included from include/linux/platform_device.h:14:0, > from drivers/mfd/hi655x-pmic.c:19: > include/linux/device.h:1329:1: warning: data definition has no type or storage class > module_init(__driver##_init); \ > ^ > include/linux/platform_device.h:222:2: note: in expansion of macro 'module_driver' > module_driver(__platform_driver, platform_driver_register, \ > ^ > >> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver' > module_platform_driver(hi655x_pmic_driver); > ^ > include/linux/device.h:1329:1: error: type defaults to 'int' in declaration of 'module_init' [-Werror=implicit-int] > module_init(__driver##_init); \ > ^ > include/linux/platform_device.h:222:2: note: in expansion of macro 'module_driver' > module_driver(__platform_driver, platform_driver_register, \ > ^ > >> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver' > module_platform_driver(hi655x_pmic_driver); > ^ > drivers/mfd/hi655x-pmic.c:156:1: warning: parameter names (without types) in function declaration > In file included from include/linux/platform_device.h:14:0, > from drivers/mfd/hi655x-pmic.c:19: > include/linux/device.h:1334:1: warning: data definition has no type or storage class > module_exit(__driver##_exit); > ^ > include/linux/platform_device.h:222:2: note: in expansion of macro 'module_driver' > module_driver(__platform_driver, platform_driver_register, \ > ^ > >> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver' > module_platform_driver(hi655x_pmic_driver); > ^ > include/linux/device.h:1334:1: error: type defaults to 'int' in declaration of 'module_exit' [-Werror=implicit-int] > module_exit(__driver##_exit); > ^ > include/linux/platform_device.h:222:2: note: in expansion of macro 'module_driver' > module_driver(__platform_driver, platform_driver_register, \ > ^ > >> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver' > module_platform_driver(hi655x_pmic_driver); > ^ > drivers/mfd/hi655x-pmic.c:156:1: warning: parameter names (without types) in function declaration > drivers/mfd/hi655x-pmic.c:158:15: error: expected declaration specifiers or '...' before string constant > MODULE_AUTHOR("Chen Feng <puck.chen@hisilicon.com>"); > ^ > drivers/mfd/hi655x-pmic.c:159:20: error: expected declaration specifiers or '...' before string constant > MODULE_DESCRIPTION("Hisi hi655x pmic driver"); > ^ > drivers/mfd/hi655x-pmic.c:160:16: error: expected declaration specifiers or '...' before string constant > MODULE_LICENSE("GPL v2"); > ^ > In file included from include/linux/platform_device.h:14:0, > from drivers/mfd/hi655x-pmic.c:19: > drivers/mfd/hi655x-pmic.c:156:24: warning: 'hi655x_pmic_driver_init' defined but not used [-Wunused-function] > module_platform_driver(hi655x_pmic_driver); > ^ > include/linux/device.h:1325:19: note: in definition of macro 'module_driver' > static int __init __driver##_init(void) \ > ^ > >> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver' > module_platform_driver(hi655x_pmic_driver); > ^ > drivers/mfd/hi655x-pmic.c:156:24: warning: 'hi655x_pmic_driver_exit' defined but not used [-Wunused-function] > module_platform_driver(hi655x_pmic_driver); > ^ > include/linux/device.h:1330:20: note: in definition of macro 'module_driver' > static void __exit __driver##_exit(void) \ > ^ > >> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver' > module_platform_driver(hi655x_pmic_driver); > ^ > cc1: some warnings being treated as errors > > vim +/module_platform_driver +156 drivers/mfd/hi655x-pmic.c > > 13 > 14 #include <linux/io.h> > 15 #include <linux/interrupt.h> > 16 #include <linux/init.h> > 17 #include <linux/gpio.h> > 18 #include <linux/of_gpio.h> > > 19 #include <linux/platform_device.h> > 20 #include <linux/of_platform.h> > 21 #include <linux/mfd/hi655x-pmic.h> > 22 #include <linux/regmap.h> > 23 > 24 static const struct of_device_id of_hi655x_pmic_child_match_tbl[] = { > 25 { .compatible = "hisilicon,hi655x-regulator", }, > 26 {}, > 27 }; > 28 > 29 static const struct of_device_id of_hi655x_pmic_match_tbl[] = { > 30 { .compatible = "hisilicon,hi655x-pmic", }, > 31 {}, > 32 }; > 33 > 34 static const struct regmap_irq hi655x_irqs[] = { > 35 { .reg_offset = 0, .mask = OTMP_D1R_INT }, > 36 { .reg_offset = 0, .mask = VSYS_2P5_R_INT }, > 37 { .reg_offset = 0, .mask = VSYS_UV_D3R_INT }, > 38 { .reg_offset = 0, .mask = VSYS_6P0_D200UR_INT }, > 39 { .reg_offset = 0, .mask = PWRON_D4SR_INT }, > 40 { .reg_offset = 0, .mask = PWRON_D20F_INT }, > 41 { .reg_offset = 0, .mask = PWRON_D20R_INT }, > 42 { .reg_offset = 0, .mask = RESERVE_INT }, > 43 }; > 44 > 45 static const struct regmap_irq_chip hi655x_irq_chip = { > 46 .name = "hi655x-pmic", > 47 .irqs = hi655x_irqs, > 48 .num_regs = 1, > 49 .num_irqs = ARRAY_SIZE(hi655x_irqs), > 50 .status_base = HI655X_IRQ_STAT_BASE, > 51 .mask_base = HI655X_IRQ_MASK_BASE, > 52 }; > 53 > 54 static unsigned int hi655x_pmic_get_version(struct hi655x_pmic *pmic) > 55 { > 56 u32 val; > 57 > 58 regmap_read(pmic->regmap, > 59 HI655X_BUS_ADDR(HI655X_VER_REG), &val); > 60 > 61 return val; > 62 } > 63 > 64 static struct regmap_config hi655x_regmap_config = { > 65 .reg_bits = 32, > 66 .reg_stride = HI655X_STRIDE, > 67 .val_bits = 8, > 68 .max_register = HI655X_BUS_ADDR(0xFFF), > 69 }; > 70 > 71 static void hi655x_local_irq_clear(struct regmap *map) > 72 { > 73 int i; > 74 > 75 regmap_write(map, HI655X_ANA_IRQM_BASE, HI655X_IRQ_CLR); > 76 for (i = 0; i < HI655X_IRQ_ARRAY; i++) { > 77 regmap_write(map, HI655X_IRQ_STAT_BASE + i * HI655X_STRIDE, > 78 HI655X_IRQ_CLR); > 79 } > 80 } > 81 > 82 static int hi655x_pmic_probe(struct platform_device *pdev) > 83 { > 84 int ret; > 85 struct hi655x_pmic *pmic; > 86 struct device *dev = &pdev->dev; > 87 struct device_node *np = dev->of_node; > 88 void __iomem *base; > 89 > 90 pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL); > 91 pmic->dev = dev; > 92 > 93 pmic->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > 94 if (!pmic->res) { > 95 dev_err(dev, "platform_get_resource err\n"); > 96 return -ENOENT; > 97 } > 98 base = devm_ioremap_resource(dev, pmic->res); > 99 if (!base) { > 100 dev_err(dev, "cannot map register memory\n"); > 101 return -ENOMEM; > 102 } > 103 pmic->regmap = devm_regmap_init_mmio_clk(dev, NULL, base, > 104 &hi655x_regmap_config); > 105 > 106 pmic->ver = hi655x_pmic_get_version(pmic); > 107 if ((pmic->ver < PMU_VER_START) || (pmic->ver > PMU_VER_END)) { > 108 dev_warn(dev, "it is wrong pmu version\n"); > 109 return -EINVAL; > 110 } > 111 > 112 hi655x_local_irq_clear(pmic->regmap); > 113 > 114 pmic->gpio = of_get_named_gpio(np, "pmic-gpios", 0); > 115 if (!gpio_is_valid(pmic->gpio)) { > 116 dev_err(dev, "cannot get the pmic-gpios\n"); > 117 return -ENODEV; > 118 } > 119 > 120 ret = devm_gpio_request_one(dev, pmic->gpio, GPIOF_IN, "hi655x_pmic_irq"); > 121 if (ret < 0) { > 122 dev_err(dev, "failed to request gpio %d ret = %d\n", > 123 pmic->gpio, ret); > 124 return ret; > 125 } > 126 > 127 ret = regmap_add_irq_chip(pmic->regmap, gpio_to_irq(pmic->gpio), > 128 IRQF_TRIGGER_LOW | IRQF_NO_SUSPEND, 0, > 129 &hi655x_irq_chip, &pmic->irq_data); > 130 if (ret) { > 131 dev_err(dev, "add pmic irq chip error! ret %d\n", ret); > 132 return ret; > 133 } > 134 > 135 /* bind pmic to device */ > 136 platform_set_drvdata(pdev, pmic); > 137 > 138 /* populate sub nodes */ > 139 ret = of_platform_populate(np, of_hi655x_pmic_child_match_tbl, > 140 NULL, dev); > 141 if (ret) { > 142 regmap_del_irq_chip(pmic->irq, pmic->irq_data); > 143 return ret; > 144 } > 145 > 146 return 0; > 147 } > 148 > 149 static struct platform_driver hi655x_pmic_driver = { > 150 .driver = { > 151 .name = "hi655x-pmic", > 152 .of_match_table = of_hi655x_pmic_match_tbl, > 153 }, > 154 .probe = hi655x_pmic_probe, > 155 }; > > 156 module_platform_driver(hi655x_pmic_driver); > 157 > 158 MODULE_AUTHOR("Chen Feng <puck.chen@hisilicon.com>"); > 159 MODULE_DESCRIPTION("Hisi hi655x pmic driver"); > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 4d92df6..0c84186 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -284,6 +284,16 @@ config MFD_HI6421_PMIC menus in order to enable them. We communicate with the Hi6421 via memory-mapped I/O. +config MFD_HI655X_PMIC + tristate "HiSilicon Hi655X series PMU/Codec IC" + depends on ARCH_HISI || COMPILE_TEST + depends on OF + select MFD_CORE + select REGMAP_MMIO + select REGMAP_IRQ + help + Select this option to enable Hisilicon hi655x series pmic driver. + config HTC_EGPIO bool "HTC EGPIO support" depends on GPIOLIB && ARM diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index a8b76b8..6a7b0e1 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -186,6 +186,7 @@ obj-$(CONFIG_MFD_STW481X) += stw481x.o obj-$(CONFIG_MFD_IPAQ_MICRO) += ipaq-micro.o obj-$(CONFIG_MFD_MENF21BMC) += menf21bmc.o obj-$(CONFIG_MFD_HI6421_PMIC) += hi6421-pmic-core.o +obj-$(CONFIG_MFD_HI655X_PMIC) += hi655x-pmic.o obj-$(CONFIG_MFD_DLN2) += dln2.o obj-$(CONFIG_MFD_RT5033) += rt5033.o obj-$(CONFIG_MFD_SKY81452) += sky81452.o diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c new file mode 100644 index 0000000..fa50aba --- /dev/null +++ b/drivers/mfd/hi655x-pmic.c @@ -0,0 +1,160 @@ +/* + * Device driver for regulators in hi655x IC + * + * Copyright (c) 2016 Hisilicon. + * + * Chen Feng <puck.chen@hisilicon.com> + * Fei Wang <w.f@huawei.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/of_gpio.h> +#include <linux/platform_device.h> +#include <linux/of_platform.h> +#include <linux/mfd/hi655x-pmic.h> +#include <linux/regmap.h> + +static const struct of_device_id of_hi655x_pmic_child_match_tbl[] = { + { .compatible = "hisilicon,hi655x-regulator", }, + {}, +}; + +static const struct of_device_id of_hi655x_pmic_match_tbl[] = { + { .compatible = "hisilicon,hi655x-pmic", }, + {}, +}; + +static const struct regmap_irq hi655x_irqs[] = { + { .reg_offset = 0, .mask = OTMP_D1R_INT }, + { .reg_offset = 0, .mask = VSYS_2P5_R_INT }, + { .reg_offset = 0, .mask = VSYS_UV_D3R_INT }, + { .reg_offset = 0, .mask = VSYS_6P0_D200UR_INT }, + { .reg_offset = 0, .mask = PWRON_D4SR_INT }, + { .reg_offset = 0, .mask = PWRON_D20F_INT }, + { .reg_offset = 0, .mask = PWRON_D20R_INT }, + { .reg_offset = 0, .mask = RESERVE_INT }, +}; + +static const struct regmap_irq_chip hi655x_irq_chip = { + .name = "hi655x-pmic", + .irqs = hi655x_irqs, + .num_regs = 1, + .num_irqs = ARRAY_SIZE(hi655x_irqs), + .status_base = HI655X_IRQ_STAT_BASE, + .mask_base = HI655X_IRQ_MASK_BASE, +}; + +static unsigned int hi655x_pmic_get_version(struct hi655x_pmic *pmic) +{ + u32 val; + + regmap_read(pmic->regmap, + HI655X_BUS_ADDR(HI655X_VER_REG), &val); + + return val; +} + +static struct regmap_config hi655x_regmap_config = { + .reg_bits = 32, + .reg_stride = HI655X_STRIDE, + .val_bits = 8, + .max_register = HI655X_BUS_ADDR(0xFFF), +}; + +static void hi655x_local_irq_clear(struct regmap *map) +{ + int i; + + regmap_write(map, HI655X_ANA_IRQM_BASE, HI655X_IRQ_CLR); + for (i = 0; i < HI655X_IRQ_ARRAY; i++) { + regmap_write(map, HI655X_IRQ_STAT_BASE + i * HI655X_STRIDE, + HI655X_IRQ_CLR); + } +} + +static int hi655x_pmic_probe(struct platform_device *pdev) +{ + int ret; + struct hi655x_pmic *pmic; + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + void __iomem *base; + + pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL); + pmic->dev = dev; + + pmic->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!pmic->res) { + dev_err(dev, "platform_get_resource err\n"); + return -ENOENT; + } + base = devm_ioremap_resource(dev, pmic->res); + if (!base) { + dev_err(dev, "cannot map register memory\n"); + return -ENOMEM; + } + pmic->regmap = devm_regmap_init_mmio_clk(dev, NULL, base, + &hi655x_regmap_config); + + pmic->ver = hi655x_pmic_get_version(pmic); + if ((pmic->ver < PMU_VER_START) || (pmic->ver > PMU_VER_END)) { + dev_warn(dev, "it is wrong pmu version\n"); + return -EINVAL; + } + + hi655x_local_irq_clear(pmic->regmap); + + pmic->gpio = of_get_named_gpio(np, "pmic-gpios", 0); + if (!gpio_is_valid(pmic->gpio)) { + dev_err(dev, "cannot get the pmic-gpios\n"); + return -ENODEV; + } + + ret = devm_gpio_request_one(dev, pmic->gpio, GPIOF_IN, "hi655x_pmic_irq"); + if (ret < 0) { + dev_err(dev, "failed to request gpio %d ret = %d\n", + pmic->gpio, ret); + return ret; + } + + ret = regmap_add_irq_chip(pmic->regmap, gpio_to_irq(pmic->gpio), + IRQF_TRIGGER_LOW | IRQF_NO_SUSPEND, 0, + &hi655x_irq_chip, &pmic->irq_data); + if (ret) { + dev_err(dev, "add pmic irq chip error! ret %d\n", ret); + return ret; + } + + /* bind pmic to device */ + platform_set_drvdata(pdev, pmic); + + /* populate sub nodes */ + ret = of_platform_populate(np, of_hi655x_pmic_child_match_tbl, + NULL, dev); + if (ret) { + regmap_del_irq_chip(pmic->irq, pmic->irq_data); + return ret; + } + + return 0; +} + +static struct platform_driver hi655x_pmic_driver = { + .driver = { + .name = "hi655x-pmic", + .of_match_table = of_hi655x_pmic_match_tbl, + }, + .probe = hi655x_pmic_probe, +}; +module_platform_driver(hi655x_pmic_driver); + +MODULE_AUTHOR("Chen Feng <puck.chen@hisilicon.com>"); +MODULE_DESCRIPTION("Hisi hi655x pmic driver"); +MODULE_LICENSE("GPL v2"); diff --git a/include/linux/mfd/hi655x-pmic.h b/include/linux/mfd/hi655x-pmic.h new file mode 100644 index 0000000..e1af0a1 --- /dev/null +++ b/include/linux/mfd/hi655x-pmic.h @@ -0,0 +1,56 @@ +/* + * Device driver for regulators in hi655x IC + * + * Copyright (c) 2016 Hisilicon. + * + * Chen Feng <puck.chen@hisilicon.com> + * Fei Wang <w.f@huawei.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __HI655X_PMIC_H +#define __HI655X_PMIC_H + +/* Hi655x registers are mapped to memory bus in 4 bytes stride */ +#define HI655X_STRIDE (4) +#define HI655X_BUS_ADDR(x) ((x) << 2) + +#define HI655X_BITS (8) + +#define HI655X_NR_IRQ (32) + +#define HI655X_IRQ_STAT_BASE (0x003 << 2) +#define HI655X_IRQ_MASK_BASE (0x007 << 2) +#define HI655X_ANA_IRQM_BASE (0x1b5 << 2) +#define HI655X_IRQ_ARRAY (4) +#define HI655X_IRQ_MASK (0xFF) +#define HI655X_IRQ_CLR (0xFF) +#define HI655X_VER_REG (0x00) + +#define PMU_VER_START (0x10) +#define PMU_VER_END (0x38) + +#define RESERVE_INT (BIT(7)) +#define PWRON_D20R_INT (BIT(6)) +#define PWRON_D20F_INT (BIT(5)) +#define PWRON_D4SR_INT (BIT(4)) +#define VSYS_6P0_D200UR_INT (BIT(3)) +#define VSYS_UV_D3R_INT (BIT(2)) +#define VSYS_2P5_R_INT (BIT(1)) +#define OTMP_D1R_INT (BIT(0)) + +struct hi655x_pmic { + struct resource *res; + struct device *dev; + struct regmap *regmap; + struct clk *clk; + int irq; + int gpio; + unsigned int ver; + struct regmap_irq_chip_data *irq_data; +}; + +#endif