diff options
Diffstat (limited to 'drivers/pinctrl/sh-pfc')
-rw-r--r-- | drivers/pinctrl/sh-pfc/core.c | 52 | ||||
-rw-r--r-- | drivers/pinctrl/sh-pfc/pfc-r8a7740.c | 4 | ||||
-rw-r--r-- | drivers/pinctrl/sh-pfc/pfc-r8a7790.c | 21 | ||||
-rw-r--r-- | drivers/pinctrl/sh-pfc/pfc-r8a7791.c | 19 | ||||
-rw-r--r-- | drivers/pinctrl/sh-pfc/pfc-r8a7794.c | 30 | ||||
-rw-r--r-- | drivers/pinctrl/sh-pfc/pfc-sh73a0.c | 4 | ||||
-rw-r--r-- | drivers/pinctrl/sh-pfc/pinctrl.c | 86 | ||||
-rw-r--r-- | drivers/pinctrl/sh-pfc/sh_pfc.h | 5 |
8 files changed, 168 insertions, 53 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c index 865d235612c5..fb9c44805234 100644 --- a/drivers/pinctrl/sh-pfc/core.c +++ b/drivers/pinctrl/sh-pfc/core.c @@ -29,24 +29,25 @@ static int sh_pfc_map_resources(struct sh_pfc *pfc, struct platform_device *pdev) { - unsigned int num_windows = 0; - unsigned int num_irqs = 0; + unsigned int num_windows, num_irqs; struct sh_pfc_window *windows; unsigned int *irqs = NULL; struct resource *res; unsigned int i; + int irq; /* Count the MEM and IRQ resources. */ - for (i = 0; i < pdev->num_resources; ++i) { - switch (resource_type(&pdev->resource[i])) { - case IORESOURCE_MEM: - num_windows++; + for (num_windows = 0;; num_windows++) { + res = platform_get_resource(pdev, IORESOURCE_MEM, num_windows); + if (!res) break; - - case IORESOURCE_IRQ: - num_irqs++; + } + for (num_irqs = 0;; num_irqs++) { + irq = platform_get_irq(pdev, num_irqs); + if (irq == -EPROBE_DEFER) + return irq; + if (irq < 0) break; - } } if (num_windows == 0) @@ -72,22 +73,17 @@ static int sh_pfc_map_resources(struct sh_pfc *pfc, } /* Fill them. */ - for (i = 0, res = pdev->resource; i < pdev->num_resources; i++, res++) { - switch (resource_type(res)) { - case IORESOURCE_MEM: - windows->phys = res->start; - windows->size = resource_size(res); - windows->virt = devm_ioremap_resource(pfc->dev, res); - if (IS_ERR(windows->virt)) - return -ENOMEM; - windows++; - break; - - case IORESOURCE_IRQ: - *irqs++ = res->start; - break; - } + for (i = 0; i < num_windows; i++) { + res = platform_get_resource(pdev, IORESOURCE_MEM, i); + windows->phys = res->start; + windows->size = resource_size(res); + windows->virt = devm_ioremap_resource(pfc->dev, res); + if (IS_ERR(windows->virt)) + return -ENOMEM; + windows++; } + for (i = 0; i < num_irqs; i++) + *irqs++ = platform_get_irq(pdev, i); return 0; } @@ -591,9 +587,6 @@ static int sh_pfc_remove(struct platform_device *pdev) } static const struct platform_device_id sh_pfc_id_table[] = { -#ifdef CONFIG_PINCTRL_PFC_R8A7740 - { "pfc-r8a7740", (kernel_ulong_t)&r8a7740_pinmux_info }, -#endif #ifdef CONFIG_PINCTRL_PFC_R8A7778 { "pfc-r8a7778", (kernel_ulong_t)&r8a7778_pinmux_info }, #endif @@ -609,9 +602,6 @@ static const struct platform_device_id sh_pfc_id_table[] = { #ifdef CONFIG_PINCTRL_PFC_SH7269 { "pfc-sh7269", (kernel_ulong_t)&sh7269_pinmux_info }, #endif -#ifdef CONFIG_PINCTRL_PFC_SH73A0 - { "pfc-sh73a0", (kernel_ulong_t)&sh73a0_pinmux_info }, -#endif #ifdef CONFIG_PINCTRL_PFC_SH7720 { "pfc-sh7720", (kernel_ulong_t)&sh7720_pinmux_info }, #endif diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c index d0bb1459783a..82ef1862dd1b 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c @@ -22,10 +22,6 @@ #include <linux/kernel.h> #include <linux/pinctrl/pinconf-generic.h> -#ifndef CONFIG_ARCH_MULTIPLATFORM -#include <mach/irqs.h> -#endif - #include "core.h" #include "sh_pfc.h" diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c index baab81ead9ff..fc344a7c2b53 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c @@ -27,10 +27,27 @@ #include "core.h" #include "sh_pfc.h" +#define PORT_GP_30(bank, fn, sfx) \ + PORT_GP_1(bank, 0, fn, sfx), PORT_GP_1(bank, 1, fn, sfx), \ + PORT_GP_1(bank, 2, fn, sfx), PORT_GP_1(bank, 3, fn, sfx), \ + PORT_GP_1(bank, 4, fn, sfx), PORT_GP_1(bank, 5, fn, sfx), \ + PORT_GP_1(bank, 6, fn, sfx), PORT_GP_1(bank, 7, fn, sfx), \ + PORT_GP_1(bank, 8, fn, sfx), PORT_GP_1(bank, 9, fn, sfx), \ + PORT_GP_1(bank, 10, fn, sfx), PORT_GP_1(bank, 11, fn, sfx), \ + PORT_GP_1(bank, 12, fn, sfx), PORT_GP_1(bank, 13, fn, sfx), \ + PORT_GP_1(bank, 14, fn, sfx), PORT_GP_1(bank, 15, fn, sfx), \ + PORT_GP_1(bank, 16, fn, sfx), PORT_GP_1(bank, 17, fn, sfx), \ + PORT_GP_1(bank, 18, fn, sfx), PORT_GP_1(bank, 19, fn, sfx), \ + PORT_GP_1(bank, 20, fn, sfx), PORT_GP_1(bank, 21, fn, sfx), \ + PORT_GP_1(bank, 22, fn, sfx), PORT_GP_1(bank, 23, fn, sfx), \ + PORT_GP_1(bank, 24, fn, sfx), PORT_GP_1(bank, 25, fn, sfx), \ + PORT_GP_1(bank, 26, fn, sfx), PORT_GP_1(bank, 27, fn, sfx), \ + PORT_GP_1(bank, 28, fn, sfx), PORT_GP_1(bank, 29, fn, sfx) + #define CPU_ALL_PORT(fn, sfx) \ PORT_GP_32(0, fn, sfx), \ - PORT_GP_32(1, fn, sfx), \ - PORT_GP_32(2, fn, sfx), \ + PORT_GP_30(1, fn, sfx), \ + PORT_GP_30(2, fn, sfx), \ PORT_GP_32(3, fn, sfx), \ PORT_GP_32(4, fn, sfx), \ PORT_GP_32(5, fn, sfx) diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c index 3ddf23ec9f0b..25e8117f5a1a 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c @@ -14,15 +14,30 @@ #include "core.h" #include "sh_pfc.h" +#define PORT_GP_26(bank, fn, sfx) \ + PORT_GP_1(bank, 0, fn, sfx), PORT_GP_1(bank, 1, fn, sfx), \ + PORT_GP_1(bank, 2, fn, sfx), PORT_GP_1(bank, 3, fn, sfx), \ + PORT_GP_1(bank, 4, fn, sfx), PORT_GP_1(bank, 5, fn, sfx), \ + PORT_GP_1(bank, 6, fn, sfx), PORT_GP_1(bank, 7, fn, sfx), \ + PORT_GP_1(bank, 8, fn, sfx), PORT_GP_1(bank, 9, fn, sfx), \ + PORT_GP_1(bank, 10, fn, sfx), PORT_GP_1(bank, 11, fn, sfx), \ + PORT_GP_1(bank, 12, fn, sfx), PORT_GP_1(bank, 13, fn, sfx), \ + PORT_GP_1(bank, 14, fn, sfx), PORT_GP_1(bank, 15, fn, sfx), \ + PORT_GP_1(bank, 16, fn, sfx), PORT_GP_1(bank, 17, fn, sfx), \ + PORT_GP_1(bank, 18, fn, sfx), PORT_GP_1(bank, 19, fn, sfx), \ + PORT_GP_1(bank, 20, fn, sfx), PORT_GP_1(bank, 21, fn, sfx), \ + PORT_GP_1(bank, 22, fn, sfx), PORT_GP_1(bank, 23, fn, sfx), \ + PORT_GP_1(bank, 24, fn, sfx), PORT_GP_1(bank, 25, fn, sfx) + #define CPU_ALL_PORT(fn, sfx) \ PORT_GP_32(0, fn, sfx), \ - PORT_GP_32(1, fn, sfx), \ + PORT_GP_26(1, fn, sfx), \ PORT_GP_32(2, fn, sfx), \ PORT_GP_32(3, fn, sfx), \ PORT_GP_32(4, fn, sfx), \ PORT_GP_32(5, fn, sfx), \ PORT_GP_32(6, fn, sfx), \ - PORT_GP_32(7, fn, sfx) + PORT_GP_26(7, fn, sfx) enum { PINMUX_RESERVED = 0, diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c index bfdcac4b3bc4..5248685dbb4e 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c @@ -2770,6 +2770,24 @@ static const unsigned int sdhi2_wp_pins[] = { static const unsigned int sdhi2_wp_mux[] = { SD2_WP_MARK, }; +/* - USB0 ------------------------------------------------------------------- */ +static const unsigned int usb0_pins[] = { + RCAR_GP_PIN(5, 24), /* PWEN */ + RCAR_GP_PIN(5, 25), /* OVC */ +}; +static const unsigned int usb0_mux[] = { + USB0_PWEN_MARK, + USB0_OVC_MARK, +}; +/* - USB1 ------------------------------------------------------------------- */ +static const unsigned int usb1_pins[] = { + RCAR_GP_PIN(5, 26), /* PWEN */ + RCAR_GP_PIN(5, 27), /* OVC */ +}; +static const unsigned int usb1_mux[] = { + USB1_PWEN_MARK, + USB1_OVC_MARK, +}; static const struct sh_pfc_pin_group pinmux_groups[] = { SH_PFC_PIN_GROUP(eth_link), @@ -2945,6 +2963,8 @@ static const struct sh_pfc_pin_group pinmux_groups[] = { SH_PFC_PIN_GROUP(sdhi2_ctrl), SH_PFC_PIN_GROUP(sdhi2_cd), SH_PFC_PIN_GROUP(sdhi2_wp), + SH_PFC_PIN_GROUP(usb0), + SH_PFC_PIN_GROUP(usb1), }; static const char * const eth_groups[] = { @@ -3219,6 +3239,14 @@ static const char * const sdhi2_groups[] = { "sdhi2_wp", }; +static const char * const usb0_groups[] = { + "usb0", +}; + +static const char * const usb1_groups[] = { + "usb1", +}; + static const struct sh_pfc_function pinmux_functions[] = { SH_PFC_FUNCTION(eth), SH_PFC_FUNCTION(hscif0), @@ -3253,6 +3281,8 @@ static const struct sh_pfc_function pinmux_functions[] = { SH_PFC_FUNCTION(sdhi0), SH_PFC_FUNCTION(sdhi1), SH_PFC_FUNCTION(sdhi2), + SH_PFC_FUNCTION(usb0), + SH_PFC_FUNCTION(usb1), }; static const struct pinmux_cfg_reg pinmux_config_regs[] = { diff --git a/drivers/pinctrl/sh-pfc/pfc-sh73a0.c b/drivers/pinctrl/sh-pfc/pfc-sh73a0.c index d2efbfb776ac..097526576f88 100644 --- a/drivers/pinctrl/sh-pfc/pfc-sh73a0.c +++ b/drivers/pinctrl/sh-pfc/pfc-sh73a0.c @@ -26,10 +26,6 @@ #include <linux/regulator/machine.h> #include <linux/slab.h> -#ifndef CONFIG_ARCH_MULTIPLATFORM -#include <mach/irqs.h> -#endif - #include "core.h" #include "sh_pfc.h" diff --git a/drivers/pinctrl/sh-pfc/pinctrl.c b/drivers/pinctrl/sh-pfc/pinctrl.c index ff678966008b..863c3e30ce05 100644 --- a/drivers/pinctrl/sh-pfc/pinctrl.c +++ b/drivers/pinctrl/sh-pfc/pinctrl.c @@ -40,6 +40,10 @@ struct sh_pfc_pinctrl { struct pinctrl_pin_desc *pins; struct sh_pfc_pin_config *configs; + + const char *func_prop_name; + const char *groups_prop_name; + const char *pins_prop_name; }; static int sh_pfc_get_groups_count(struct pinctrl_dev *pctldev) @@ -96,10 +100,13 @@ static int sh_pfc_map_add_config(struct pinctrl_map *map, return 0; } -static int sh_pfc_dt_subnode_to_map(struct device *dev, struct device_node *np, +static int sh_pfc_dt_subnode_to_map(struct pinctrl_dev *pctldev, + struct device_node *np, struct pinctrl_map **map, unsigned int *num_maps, unsigned int *index) { + struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev); + struct device *dev = pmx->pfc->dev; struct pinctrl_map *maps = *map; unsigned int nmaps = *num_maps; unsigned int idx = *index; @@ -113,10 +120,27 @@ static int sh_pfc_dt_subnode_to_map(struct device *dev, struct device_node *np, const char *pin; int ret; + /* Support both the old Renesas-specific properties and the new standard + * properties. Mixing old and new properties isn't allowed, neither + * inside a subnode nor across subnodes. + */ + if (!pmx->func_prop_name) { + if (of_find_property(np, "groups", NULL) || + of_find_property(np, "pins", NULL)) { + pmx->func_prop_name = "function"; + pmx->groups_prop_name = "groups"; + pmx->pins_prop_name = "pins"; + } else { + pmx->func_prop_name = "renesas,function"; + pmx->groups_prop_name = "renesas,groups"; + pmx->pins_prop_name = "renesas,pins"; + } + } + /* Parse the function and configuration properties. At least a function * or one configuration must be specified. */ - ret = of_property_read_string(np, "renesas,function", &function); + ret = of_property_read_string(np, pmx->func_prop_name, &function); if (ret < 0 && ret != -EINVAL) { dev_err(dev, "Invalid function in DT\n"); return ret; @@ -129,11 +153,12 @@ static int sh_pfc_dt_subnode_to_map(struct device *dev, struct device_node *np, if (!function && num_configs == 0) { dev_err(dev, "DT node must contain at least a function or config\n"); + ret = -ENODEV; goto done; } /* Count the number of pins and groups and reallocate mappings. */ - ret = of_property_count_strings(np, "renesas,pins"); + ret = of_property_count_strings(np, pmx->pins_prop_name); if (ret == -EINVAL) { num_pins = 0; } else if (ret < 0) { @@ -143,7 +168,7 @@ static int sh_pfc_dt_subnode_to_map(struct device *dev, struct device_node *np, num_pins = ret; } - ret = of_property_count_strings(np, "renesas,groups"); + ret = of_property_count_strings(np, pmx->groups_prop_name); if (ret == -EINVAL) { num_groups = 0; } else if (ret < 0) { @@ -174,7 +199,7 @@ static int sh_pfc_dt_subnode_to_map(struct device *dev, struct device_node *np, *num_maps = nmaps; /* Iterate over pins and groups and create the mappings. */ - of_property_for_each_string(np, "renesas,groups", prop, group) { + of_property_for_each_string(np, pmx->groups_prop_name, prop, group) { if (function) { maps[idx].type = PIN_MAP_TYPE_MUX_GROUP; maps[idx].data.mux.group = group; @@ -198,7 +223,7 @@ static int sh_pfc_dt_subnode_to_map(struct device *dev, struct device_node *np, goto done; } - of_property_for_each_string(np, "renesas,pins", prop, pin) { + of_property_for_each_string(np, pmx->pins_prop_name, prop, pin) { ret = sh_pfc_map_add_config(&maps[idx], pin, PIN_MAP_TYPE_CONFIGS_PIN, configs, num_configs); @@ -246,7 +271,7 @@ static int sh_pfc_dt_node_to_map(struct pinctrl_dev *pctldev, index = 0; for_each_child_of_node(np, child) { - ret = sh_pfc_dt_subnode_to_map(dev, child, map, num_maps, + ret = sh_pfc_dt_subnode_to_map(pctldev, child, map, num_maps, &index); if (ret < 0) goto done; @@ -254,7 +279,8 @@ static int sh_pfc_dt_node_to_map(struct pinctrl_dev *pctldev, /* If no mapping has been found in child nodes try the config node. */ if (*num_maps == 0) { - ret = sh_pfc_dt_subnode_to_map(dev, np, map, num_maps, &index); + ret = sh_pfc_dt_subnode_to_map(pctldev, np, map, num_maps, + &index); if (ret < 0) goto done; } @@ -465,6 +491,9 @@ static bool sh_pfc_pinconf_validate(struct sh_pfc *pfc, unsigned int _pin, case PIN_CONFIG_BIAS_PULL_DOWN: return pin->configs & SH_PFC_PIN_CFG_PULL_DOWN; + case PIN_CONFIG_POWER_SOURCE: + return pin->configs & SH_PFC_PIN_CFG_IO_VOLTAGE; + default: return false; } @@ -477,7 +506,6 @@ static int sh_pfc_pinconf_get(struct pinctrl_dev *pctldev, unsigned _pin, struct sh_pfc *pfc = pmx->pfc; enum pin_config_param param = pinconf_to_config_param(*config); unsigned long flags; - unsigned int bias; if (!sh_pfc_pinconf_validate(pfc, _pin, param)) return -ENOTSUPP; @@ -485,7 +513,9 @@ static int sh_pfc_pinconf_get(struct pinctrl_dev *pctldev, unsigned _pin, switch (param) { case PIN_CONFIG_BIAS_DISABLE: case PIN_CONFIG_BIAS_PULL_UP: - case PIN_CONFIG_BIAS_PULL_DOWN: + case PIN_CONFIG_BIAS_PULL_DOWN: { + unsigned int bias; + if (!pfc->info->ops || !pfc->info->ops->get_bias) return -ENOTSUPP; @@ -498,6 +528,24 @@ static int sh_pfc_pinconf_get(struct pinctrl_dev *pctldev, unsigned _pin, *config = 0; break; + } + + case PIN_CONFIG_POWER_SOURCE: { + int ret; + + if (!pfc->info->ops || !pfc->info->ops->get_io_voltage) + return -ENOTSUPP; + + spin_lock_irqsave(&pfc->lock, flags); + ret = pfc->info->ops->get_io_voltage(pfc, _pin); + spin_unlock_irqrestore(&pfc->lock, flags); + + if (ret < 0) + return ret; + + *config = ret; + break; + } default: return -ENOTSUPP; @@ -534,6 +582,24 @@ static int sh_pfc_pinconf_set(struct pinctrl_dev *pctldev, unsigned _pin, break; + case PIN_CONFIG_POWER_SOURCE: { + unsigned int arg = + pinconf_to_config_argument(configs[i]); + int ret; + + if (!pfc->info->ops || !pfc->info->ops->set_io_voltage) + return -ENOTSUPP; + + spin_lock_irqsave(&pfc->lock, flags); + ret = pfc->info->ops->set_io_voltage(pfc, _pin, arg); + spin_unlock_irqrestore(&pfc->lock, flags); + + if (ret) + return ret; + + break; + } + default: return -ENOTSUPP; } diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h index 0874cfee6889..15afd49fd4e3 100644 --- a/drivers/pinctrl/sh-pfc/sh_pfc.h +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h @@ -12,6 +12,7 @@ #define __SH_PFC_H #include <linux/bug.h> +#include <linux/pinctrl/pinconf-generic.h> #include <linux/stringify.h> enum { @@ -26,6 +27,7 @@ enum { #define SH_PFC_PIN_CFG_OUTPUT (1 << 1) #define SH_PFC_PIN_CFG_PULL_UP (1 << 2) #define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3) +#define SH_PFC_PIN_CFG_IO_VOLTAGE (1 << 4) #define SH_PFC_PIN_CFG_NO_GPIO (1 << 31) struct sh_pfc_pin { @@ -121,6 +123,9 @@ struct sh_pfc_soc_operations { unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin); void (*set_bias)(struct sh_pfc *pfc, unsigned int pin, unsigned int bias); + int (*get_io_voltage)(struct sh_pfc *pfc, unsigned int pin); + int (*set_io_voltage)(struct sh_pfc *pfc, unsigned int pin, + u16 voltage_mV); }; struct sh_pfc_soc_info { |