summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/sh-pfc
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/pinctrl/sh-pfc
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/pinctrl/sh-pfc')
-rw-r--r--drivers/pinctrl/sh-pfc/core.c52
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7740.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7790.c21
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7791.c19
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7794.c30
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh73a0.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pinctrl.c86
-rw-r--r--drivers/pinctrl/sh-pfc/sh_pfc.h5
8 files changed, 168 insertions, 53 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c
index 865d23561..fb9c44805 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 d0bb14597..82ef1862d 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 baab81ead..fc344a7c2 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 3ddf23ec9..25e8117f5 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 bfdcac4b3..5248685db 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 d2efbfb77..097526576 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 ff6789660..863c3e30c 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 0874cfee6..15afd49fd 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 {