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-rw-r--r--drivers/gpio/gpio-tegra.c39
-rw-r--r--drivers/mmc/host/sdhci-tegra.c24
-rw-r--r--drivers/pinctrl/pinctrl-tegra.c236
-rw-r--r--drivers/pinctrl/pinctrl-tegra.h23
-rw-r--r--drivers/pinctrl/pinctrl-tegra20.c40
-rw-r--r--drivers/pinctrl/pinctrl-tegra30.c40
-rw-r--r--drivers/usb/host/ehci-tegra.c13
7 files changed, 246 insertions, 169 deletions
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 12f349b3830d..dc5184d57892 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -26,10 +26,10 @@
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/irqdomain.h>
+#include <linux/pinctrl/consumer.h>
#include <asm/mach/irq.h>
-#include <mach/gpio-tegra.h>
#include <mach/iomap.h>
#include <mach/suspend.h>
@@ -108,18 +108,29 @@ static void tegra_gpio_mask_write(u32 reg, int gpio, int value)
tegra_gpio_writel(val, reg);
}
-void tegra_gpio_enable(int gpio)
+static void tegra_gpio_enable(int gpio)
{
tegra_gpio_mask_write(GPIO_MSK_CNF(gpio), gpio, 1);
}
EXPORT_SYMBOL_GPL(tegra_gpio_enable);
-void tegra_gpio_disable(int gpio)
+static void tegra_gpio_disable(int gpio)
{
tegra_gpio_mask_write(GPIO_MSK_CNF(gpio), gpio, 0);
}
EXPORT_SYMBOL_GPL(tegra_gpio_disable);
+int tegra_gpio_request(struct gpio_chip *chip, unsigned offset)
+{
+ return pinctrl_request_gpio(offset);
+}
+
+void tegra_gpio_free(struct gpio_chip *chip, unsigned offset)
+{
+ pinctrl_free_gpio(offset);
+ tegra_gpio_disable(offset);
+}
+
static void tegra_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
tegra_gpio_mask_write(GPIO_MSK_OUT(offset), offset, value);
@@ -133,6 +144,7 @@ static int tegra_gpio_get(struct gpio_chip *chip, unsigned offset)
static int tegra_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
tegra_gpio_mask_write(GPIO_MSK_OE(offset), offset, 0);
+ tegra_gpio_enable(offset);
return 0;
}
@@ -141,6 +153,7 @@ static int tegra_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
{
tegra_gpio_set(chip, offset, value);
tegra_gpio_mask_write(GPIO_MSK_OE(offset), offset, 1);
+ tegra_gpio_enable(offset);
return 0;
}
@@ -151,13 +164,14 @@ static int tegra_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
static struct gpio_chip tegra_gpio_chip = {
.label = "tegra-gpio",
+ .request = tegra_gpio_request,
+ .free = tegra_gpio_free,
.direction_input = tegra_gpio_direction_input,
.get = tegra_gpio_get,
.direction_output = tegra_gpio_direction_output,
.set = tegra_gpio_set,
.to_irq = tegra_gpio_to_irq,
.base = 0,
- .ngpio = TEGRA_NR_GPIOS,
};
static void tegra_gpio_irq_ack(struct irq_data *d)
@@ -224,6 +238,9 @@ static int tegra_gpio_irq_set_type(struct irq_data *d, unsigned int type)
spin_unlock_irqrestore(&bank->lvl_lock[port], flags);
+ tegra_gpio_mask_write(GPIO_MSK_OE(gpio), gpio, 0);
+ tegra_gpio_enable(gpio);
+
if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
__irq_set_handler_locked(d->irq, handle_level_irq);
else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
@@ -490,20 +507,6 @@ static int __init tegra_gpio_init(void)
}
postcore_initcall(tegra_gpio_init);
-void tegra_gpio_config(struct tegra_gpio_table *table, int num)
-{
- int i;
-
- for (i = 0; i < num; i++) {
- int gpio = table[i].gpio;
-
- if (table[i].enable)
- tegra_gpio_enable(gpio);
- else
- tegra_gpio_disable(gpio);
- }
-}
-
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 53b26502f6e2..ff5a16991939 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -269,7 +269,6 @@ static int __devinit sdhci_tegra_probe(struct platform_device *pdev)
"failed to allocate power gpio\n");
goto err_power_req;
}
- tegra_gpio_enable(plat->power_gpio);
gpio_direction_output(plat->power_gpio, 1);
}
@@ -280,7 +279,6 @@ static int __devinit sdhci_tegra_probe(struct platform_device *pdev)
"failed to allocate cd gpio\n");
goto err_cd_req;
}
- tegra_gpio_enable(plat->cd_gpio);
gpio_direction_input(plat->cd_gpio);
rc = request_irq(gpio_to_irq(plat->cd_gpio), carddetect_irq,
@@ -301,7 +299,6 @@ static int __devinit sdhci_tegra_probe(struct platform_device *pdev)
"failed to allocate wp gpio\n");
goto err_wp_req;
}
- tegra_gpio_enable(plat->wp_gpio);
gpio_direction_input(plat->wp_gpio);
}
@@ -329,23 +326,17 @@ err_add_host:
clk_disable(pltfm_host->clk);
clk_put(pltfm_host->clk);
err_clk_get:
- if (gpio_is_valid(plat->wp_gpio)) {
- tegra_gpio_disable(plat->wp_gpio);
+ if (gpio_is_valid(plat->wp_gpio))
gpio_free(plat->wp_gpio);
- }
err_wp_req:
if (gpio_is_valid(plat->cd_gpio))
free_irq(gpio_to_irq(plat->cd_gpio), host);
err_cd_irq_req:
- if (gpio_is_valid(plat->cd_gpio)) {
- tegra_gpio_disable(plat->cd_gpio);
+ if (gpio_is_valid(plat->cd_gpio))
gpio_free(plat->cd_gpio);
- }
err_cd_req:
- if (gpio_is_valid(plat->power_gpio)) {
- tegra_gpio_disable(plat->power_gpio);
+ if (gpio_is_valid(plat->power_gpio))
gpio_free(plat->power_gpio);
- }
err_power_req:
err_no_plat:
sdhci_pltfm_free(pdev);
@@ -362,21 +353,16 @@ static int __devexit sdhci_tegra_remove(struct platform_device *pdev)
sdhci_remove_host(host, dead);
- if (gpio_is_valid(plat->wp_gpio)) {
- tegra_gpio_disable(plat->wp_gpio);
+ if (gpio_is_valid(plat->wp_gpio))
gpio_free(plat->wp_gpio);
- }
if (gpio_is_valid(plat->cd_gpio)) {
free_irq(gpio_to_irq(plat->cd_gpio), host);
- tegra_gpio_disable(plat->cd_gpio);
gpio_free(plat->cd_gpio);
}
- if (gpio_is_valid(plat->power_gpio)) {
- tegra_gpio_disable(plat->power_gpio);
+ if (gpio_is_valid(plat->power_gpio))
gpio_free(plat->power_gpio);
- }
clk_disable(pltfm_host->clk);
clk_put(pltfm_host->clk);
diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index 2c98fba01ca5..b6934867d8d3 100644
--- a/drivers/pinctrl/pinctrl-tegra.c
+++ b/drivers/pinctrl/pinctrl-tegra.c
@@ -1,7 +1,7 @@
/*
* Driver for the NVIDIA Tegra pinmux
*
- * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved.
*
* Derived from code:
* Copyright (C) 2010 Google, Inc.
@@ -22,7 +22,8 @@
#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
#include <linux/pinctrl/machine.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
@@ -31,10 +32,9 @@
#include <mach/pinconf-tegra.h>
+#include "core.h"
#include "pinctrl-tegra.h"
-#define DRIVER_NAME "tegra-pinmux-disabled"
-
struct tegra_pmx {
struct device *dev;
struct pinctrl_dev *pctl;
@@ -83,15 +83,18 @@ static int tegra_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
return 0;
}
+#ifdef CONFIG_DEBUG_FS
static void tegra_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev,
struct seq_file *s,
unsigned offset)
{
- seq_printf(s, " " DRIVER_NAME);
+ seq_printf(s, " %s", dev_name(pctldev->dev));
}
+#endif
-static int reserve_map(struct pinctrl_map **map, unsigned *reserved_maps,
- unsigned *num_maps, unsigned reserve)
+static int reserve_map(struct device *dev, struct pinctrl_map **map,
+ unsigned *reserved_maps, unsigned *num_maps,
+ unsigned reserve)
{
unsigned old_num = *reserved_maps;
unsigned new_num = *num_maps + reserve;
@@ -101,8 +104,10 @@ static int reserve_map(struct pinctrl_map **map, unsigned *reserved_maps,
return 0;
new_map = krealloc(*map, sizeof(*new_map) * new_num, GFP_KERNEL);
- if (!new_map)
+ if (!new_map) {
+ dev_err(dev, "krealloc(map) failed\n");
return -ENOMEM;
+ }
memset(new_map + old_num, 0, (new_num - old_num) * sizeof(*new_map));
@@ -116,7 +121,7 @@ static int add_map_mux(struct pinctrl_map **map, unsigned *reserved_maps,
unsigned *num_maps, const char *group,
const char *function)
{
- if (*num_maps == *reserved_maps)
+ if (WARN_ON(*num_maps == *reserved_maps))
return -ENOSPC;
(*map)[*num_maps].type = PIN_MAP_TYPE_MUX_GROUP;
@@ -127,19 +132,22 @@ static int add_map_mux(struct pinctrl_map **map, unsigned *reserved_maps,
return 0;
}
-static int add_map_configs(struct pinctrl_map **map, unsigned *reserved_maps,
- unsigned *num_maps, const char *group,
- unsigned long *configs, unsigned num_configs)
+static int add_map_configs(struct device *dev, struct pinctrl_map **map,
+ unsigned *reserved_maps, unsigned *num_maps,
+ const char *group, unsigned long *configs,
+ unsigned num_configs)
{
unsigned long *dup_configs;
- if (*num_maps == *reserved_maps)
+ if (WARN_ON(*num_maps == *reserved_maps))
return -ENOSPC;
dup_configs = kmemdup(configs, num_configs * sizeof(*dup_configs),
GFP_KERNEL);
- if (!dup_configs)
+ if (!dup_configs) {
+ dev_err(dev, "kmemdup(configs) failed\n");
return -ENOMEM;
+ }
(*map)[*num_maps].type = PIN_MAP_TYPE_CONFIGS_GROUP;
(*map)[*num_maps].data.configs.group_or_pin = group;
@@ -150,8 +158,8 @@ static int add_map_configs(struct pinctrl_map **map, unsigned *reserved_maps,
return 0;
}
-static int add_config(unsigned long **configs, unsigned *num_configs,
- unsigned long config)
+static int add_config(struct device *dev, unsigned long **configs,
+ unsigned *num_configs, unsigned long config)
{
unsigned old_num = *num_configs;
unsigned new_num = old_num + 1;
@@ -159,8 +167,10 @@ static int add_config(unsigned long **configs, unsigned *num_configs,
new_configs = krealloc(*configs, sizeof(*new_configs) * new_num,
GFP_KERNEL);
- if (!new_configs)
+ if (!new_configs) {
+ dev_err(dev, "krealloc(configs) failed\n");
return -ENOMEM;
+ }
new_configs[old_num] = config;
@@ -201,7 +211,8 @@ static const struct cfg_param {
{"nvidia,slew-rate-rising", TEGRA_PINCONF_PARAM_SLEW_RATE_RISING},
};
-int tegra_pinctrl_dt_subnode_to_map(struct device_node *np,
+int tegra_pinctrl_dt_subnode_to_map(struct device *dev,
+ struct device_node *np,
struct pinctrl_map **map,
unsigned *reserved_maps,
unsigned *num_maps)
@@ -217,16 +228,25 @@ int tegra_pinctrl_dt_subnode_to_map(struct device_node *np,
const char *group;
ret = of_property_read_string(np, "nvidia,function", &function);
- if (ret < 0)
+ if (ret < 0) {
+ /* EINVAL=missing, which is fine since it's optional */
+ if (ret != -EINVAL)
+ dev_err(dev,
+ "could not parse property nvidia,function\n");
function = NULL;
+ }
for (i = 0; i < ARRAY_SIZE(cfg_params); i++) {
ret = of_property_read_u32(np, cfg_params[i].property, &val);
if (!ret) {
config = TEGRA_PINCONF_PACK(cfg_params[i].param, val);
- ret = add_config(&configs, &num_configs, config);
+ ret = add_config(dev, &configs, &num_configs, config);
if (ret < 0)
goto exit;
+ /* EINVAL=missing, which is fine since it's optional */
+ } else if (ret != -EINVAL) {
+ dev_err(dev, "could not parse property %s\n",
+ cfg_params[i].property);
}
}
@@ -236,11 +256,13 @@ int tegra_pinctrl_dt_subnode_to_map(struct device_node *np,
if (num_configs)
reserve++;
ret = of_property_count_strings(np, "nvidia,pins");
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(dev, "could not parse property nvidia,pins\n");
goto exit;
+ }
reserve *= ret;
- ret = reserve_map(map, reserved_maps, num_maps, reserve);
+ ret = reserve_map(dev, map, reserved_maps, num_maps, reserve);
if (ret < 0)
goto exit;
@@ -253,8 +275,9 @@ int tegra_pinctrl_dt_subnode_to_map(struct device_node *np,
}
if (num_configs) {
- ret = add_map_configs(map, reserved_maps, num_maps,
- group, configs, num_configs);
+ ret = add_map_configs(dev, map, reserved_maps,
+ num_maps, group, configs,
+ num_configs);
if (ret < 0)
goto exit;
}
@@ -280,8 +303,8 @@ int tegra_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
*num_maps = 0;
for_each_child_of_node(np_config, np) {
- ret = tegra_pinctrl_dt_subnode_to_map(np, map, &reserved_maps,
- num_maps);
+ ret = tegra_pinctrl_dt_subnode_to_map(pctldev->dev, np, map,
+ &reserved_maps, num_maps);
if (ret < 0) {
tegra_pinctrl_dt_free_map(pctldev, *map, *num_maps);
return ret;
@@ -295,7 +318,9 @@ static struct pinctrl_ops tegra_pinctrl_ops = {
.get_groups_count = tegra_pinctrl_get_groups_count,
.get_group_name = tegra_pinctrl_get_group_name,
.get_group_pins = tegra_pinctrl_get_group_pins,
+#ifdef CONFIG_DEBUG_FS
.pin_dbg_show = tegra_pinctrl_pin_dbg_show,
+#endif
.dt_node_to_map = tegra_pinctrl_dt_node_to_map,
.dt_free_map = tegra_pinctrl_dt_free_map,
};
@@ -338,14 +363,14 @@ static int tegra_pinctrl_enable(struct pinctrl_dev *pctldev, unsigned function,
g = &pmx->soc->groups[group];
- if (g->mux_reg < 0)
+ if (WARN_ON(g->mux_reg < 0))
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(g->funcs); i++) {
if (g->funcs[i] == function)
break;
}
- if (i == ARRAY_SIZE(g->funcs))
+ if (WARN_ON(i == ARRAY_SIZE(g->funcs)))
return -EINVAL;
val = pmx_readl(pmx, g->mux_bank, g->mux_reg);
@@ -365,7 +390,7 @@ static void tegra_pinctrl_disable(struct pinctrl_dev *pctldev,
g = &pmx->soc->groups[group];
- if (g->mux_reg < 0)
+ if (WARN_ON(g->mux_reg < 0))
return;
val = pmx_readl(pmx, g->mux_bank, g->mux_reg);
@@ -385,6 +410,7 @@ static struct pinmux_ops tegra_pinmux_ops = {
static int tegra_pinconf_reg(struct tegra_pmx *pmx,
const struct tegra_pingroup *g,
enum tegra_pinconf_param param,
+ bool report_err,
s8 *bank, s16 *reg, s8 *bit, s8 *width)
{
switch (param) {
@@ -472,9 +498,10 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx,
}
if (*reg < 0) {
- dev_err(pmx->dev,
- "Config param %04x not supported on group %s\n",
- param, g->name);
+ if (report_err)
+ dev_err(pmx->dev,
+ "Config param %04x not supported on group %s\n",
+ param, g->name);
return -ENOTSUPP;
}
@@ -484,12 +511,14 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx,
static int tegra_pinconf_get(struct pinctrl_dev *pctldev,
unsigned pin, unsigned long *config)
{
+ dev_err(pctldev->dev, "pin_config_get op not supported\n");
return -ENOTSUPP;
}
static int tegra_pinconf_set(struct pinctrl_dev *pctldev,
unsigned pin, unsigned long config)
{
+ dev_err(pctldev->dev, "pin_config_set op not supported\n");
return -ENOTSUPP;
}
@@ -507,7 +536,8 @@ static int tegra_pinconf_group_get(struct pinctrl_dev *pctldev,
g = &pmx->soc->groups[group];
- ret = tegra_pinconf_reg(pmx, g, param, &bank, &reg, &bit, &width);
+ ret = tegra_pinconf_reg(pmx, g, param, true, &bank, &reg, &bit,
+ &width);
if (ret < 0)
return ret;
@@ -534,7 +564,8 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev,
g = &pmx->soc->groups[group];
- ret = tegra_pinconf_reg(pmx, g, param, &bank, &reg, &bit, &width);
+ ret = tegra_pinconf_reg(pmx, g, param, true, &bank, &reg, &bit,
+ &width);
if (ret < 0)
return ret;
@@ -542,8 +573,10 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev,
/* LOCK can't be cleared */
if (param == TEGRA_PINCONF_PARAM_LOCK) {
- if ((val & BIT(bit)) && !arg)
+ if ((val & BIT(bit)) && !arg) {
+ dev_err(pctldev->dev, "LOCK bit cannot be cleared\n");
return -EINVAL;
+ }
}
/* Special-case Boolean values; allow any non-zero as true */
@@ -552,8 +585,12 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev,
/* Range-check user-supplied value */
mask = (1 << width) - 1;
- if (arg & ~mask)
+ if (arg & ~mask) {
+ dev_err(pctldev->dev,
+ "config %lx: %x too big for %d bit register\n",
+ config, arg, width);
return -EINVAL;
+ }
/* Update register */
val &= ~(mask << bit);
@@ -563,23 +600,78 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev,
return 0;
}
+#ifdef CONFIG_DEBUG_FS
static void tegra_pinconf_dbg_show(struct pinctrl_dev *pctldev,
struct seq_file *s, unsigned offset)
{
}
+static const char *strip_prefix(const char *s)
+{
+ const char *comma = strchr(s, ',');
+ if (!comma)
+ return s;
+
+ return comma + 1;
+}
+
static void tegra_pinconf_group_dbg_show(struct pinctrl_dev *pctldev,
- struct seq_file *s, unsigned selector)
+ struct seq_file *s, unsigned group)
+{
+ struct tegra_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
+ const struct tegra_pingroup *g;
+ int i, ret;
+ s8 bank, bit, width;
+ s16 reg;
+ u32 val;
+
+ g = &pmx->soc->groups[group];
+
+ for (i = 0; i < ARRAY_SIZE(cfg_params); i++) {
+ ret = tegra_pinconf_reg(pmx, g, cfg_params[i].param, false,
+ &bank, &reg, &bit, &width);
+ if (ret < 0)
+ continue;
+
+ val = pmx_readl(pmx, bank, reg);
+ val >>= bit;
+ val &= (1 << width) - 1;
+
+ seq_printf(s, "\n\t%s=%u",
+ strip_prefix(cfg_params[i].property), val);
+ }
+}
+
+static void tegra_pinconf_config_dbg_show(struct pinctrl_dev *pctldev,
+ struct seq_file *s,
+ unsigned long config)
{
+ enum tegra_pinconf_param param = TEGRA_PINCONF_UNPACK_PARAM(config);
+ u16 arg = TEGRA_PINCONF_UNPACK_ARG(config);
+ const char *pname = "unknown";
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cfg_params); i++) {
+ if (cfg_params[i].param == param) {
+ pname = cfg_params[i].property;
+ break;
+ }
+ }
+
+ seq_printf(s, "%s=%d", strip_prefix(pname), arg);
}
+#endif
struct pinconf_ops tegra_pinconf_ops = {
.pin_config_get = tegra_pinconf_get,
.pin_config_set = tegra_pinconf_set,
.pin_config_group_get = tegra_pinconf_group_get,
.pin_config_group_set = tegra_pinconf_group_set,
+#ifdef CONFIG_DEBUG_FS
.pin_config_dbg_show = tegra_pinconf_dbg_show,
.pin_config_group_dbg_show = tegra_pinconf_group_dbg_show,
+ .pin_config_config_dbg_show = tegra_pinconf_config_dbg_show,
+#endif
};
static struct pinctrl_gpio_range tegra_pinctrl_gpio_range = {
@@ -589,60 +681,29 @@ static struct pinctrl_gpio_range tegra_pinctrl_gpio_range = {
};
static struct pinctrl_desc tegra_pinctrl_desc = {
- .name = DRIVER_NAME,
.pctlops = &tegra_pinctrl_ops,
.pmxops = &tegra_pinmux_ops,
.confops = &tegra_pinconf_ops,
.owner = THIS_MODULE,
};
-static struct of_device_id tegra_pinctrl_of_match[] __devinitdata = {
-#ifdef CONFIG_PINCTRL_TEGRA20
- {
- .compatible = "nvidia,tegra20-pinmux-disabled",
- .data = tegra20_pinctrl_init,
- },
-#endif
-#ifdef CONFIG_PINCTRL_TEGRA30
- {
- .compatible = "nvidia,tegra30-pinmux-disabled",
- .data = tegra30_pinctrl_init,
- },
-#endif
- {},
-};
-
-static int __devinit tegra_pinctrl_probe(struct platform_device *pdev)
+int __devinit tegra_pinctrl_probe(struct platform_device *pdev,
+ const struct tegra_pinctrl_soc_data *soc_data)
{
- const struct of_device_id *match;
- tegra_pinctrl_soc_initf initf = NULL;
struct tegra_pmx *pmx;
struct resource *res;
int i;
- match = of_match_device(tegra_pinctrl_of_match, &pdev->dev);
- if (match)
- initf = (tegra_pinctrl_soc_initf)match->data;
-#ifdef CONFIG_PINCTRL_TEGRA20
- if (!initf)
- initf = tegra20_pinctrl_init;
-#endif
- if (!initf) {
- dev_err(&pdev->dev,
- "Could not determine SoC-specific init func\n");
- return -EINVAL;
- }
-
pmx = devm_kzalloc(&pdev->dev, sizeof(*pmx), GFP_KERNEL);
if (!pmx) {
dev_err(&pdev->dev, "Can't alloc tegra_pmx\n");
return -ENOMEM;
}
pmx->dev = &pdev->dev;
-
- (*initf)(&pmx->soc);
+ pmx->soc = soc_data;
tegra_pinctrl_gpio_range.npins = pmx->soc->ngpios;
+ tegra_pinctrl_desc.name = dev_name(&pdev->dev);
tegra_pinctrl_desc.pins = pmx->soc->pins;
tegra_pinctrl_desc.npins = pmx->soc->npins;
@@ -697,8 +758,9 @@ static int __devinit tegra_pinctrl_probe(struct platform_device *pdev)
return 0;
}
+EXPORT_SYMBOL_GPL(tegra_pinctrl_probe);
-static int __devexit tegra_pinctrl_remove(struct platform_device *pdev)
+int __devexit tegra_pinctrl_remove(struct platform_device *pdev)
{
struct tegra_pmx *pmx = platform_get_drvdata(pdev);
@@ -707,30 +769,4 @@ static int __devexit tegra_pinctrl_remove(struct platform_device *pdev)
return 0;
}
-
-static struct platform_driver tegra_pinctrl_driver = {
- .driver = {
- .name = DRIVER_NAME,
- .owner = THIS_MODULE,
- .of_match_table = tegra_pinctrl_of_match,
- },
- .probe = tegra_pinctrl_probe,
- .remove = __devexit_p(tegra_pinctrl_remove),
-};
-
-static int __init tegra_pinctrl_init(void)
-{
- return platform_driver_register(&tegra_pinctrl_driver);
-}
-arch_initcall(tegra_pinctrl_init);
-
-static void __exit tegra_pinctrl_exit(void)
-{
- platform_driver_unregister(&tegra_pinctrl_driver);
-}
-module_exit(tegra_pinctrl_exit);
-
-MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
-MODULE_DESCRIPTION("NVIDIA Tegra pinctrl driver");
-MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(of, tegra_pinctrl_of_match);
+EXPORT_SYMBOL_GPL(tegra_pinctrl_remove);
diff --git a/drivers/pinctrl/pinctrl-tegra.h b/drivers/pinctrl/pinctrl-tegra.h
index 782c795326ef..705c007a38cc 100644
--- a/drivers/pinctrl/pinctrl-tegra.h
+++ b/drivers/pinctrl/pinctrl-tegra.h
@@ -139,25 +139,8 @@ struct tegra_pinctrl_soc_data {
unsigned ngroups;
};
-/**
- * tegra_pinctrl_soc_initf() - Retrieve pin controller details for a SoC.
- * @soc_data: This pointer must be updated to point at a struct containing
- * details of the SoC.
- */
-typedef void (*tegra_pinctrl_soc_initf)(
- const struct tegra_pinctrl_soc_data **soc_data);
-
-/**
- * tegra20_pinctrl_init() - Retrieve pin controller details for Tegra20
- * @soc_data: This pointer will be updated to point at a struct containing
- * details of Tegra20's pin controller.
- */
-void tegra20_pinctrl_init(const struct tegra_pinctrl_soc_data **soc_data);
-/**
- * tegra30_pinctrl_init() - Retrieve pin controller details for Tegra20
- * @soc_data: This pointer will be updated to point at a struct containing
- * details of Tegra30's pin controller.
- */
-void tegra30_pinctrl_init(const struct tegra_pinctrl_soc_data **soc_data);
+int tegra_pinctrl_probe(struct platform_device *pdev,
+ const struct tegra_pinctrl_soc_data *soc_data);
+int tegra_pinctrl_remove(struct platform_device *pdev);
#endif
diff --git a/drivers/pinctrl/pinctrl-tegra20.c b/drivers/pinctrl/pinctrl-tegra20.c
index f69ff96aa292..a74f9a568536 100644
--- a/drivers/pinctrl/pinctrl-tegra20.c
+++ b/drivers/pinctrl/pinctrl-tegra20.c
@@ -1,7 +1,7 @@
/*
* Pinctrl data for the NVIDIA Tegra20 pinmux
*
- * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved.
*
* Derived from code:
* Copyright (C) 2010 Google, Inc.
@@ -17,6 +17,8 @@
* more details.
*/
+#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
@@ -2854,7 +2856,39 @@ static const struct tegra_pinctrl_soc_data tegra20_pinctrl = {
.ngroups = ARRAY_SIZE(tegra20_groups),
};
-void __devinit tegra20_pinctrl_init(const struct tegra_pinctrl_soc_data **soc)
+static int __devinit tegra20_pinctrl_probe(struct platform_device *pdev)
{
- *soc = &tegra20_pinctrl;
+ return tegra_pinctrl_probe(pdev, &tegra20_pinctrl);
}
+
+static struct of_device_id tegra20_pinctrl_of_match[] __devinitdata = {
+ { .compatible = "nvidia,tegra20-pinmux", },
+ { },
+};
+
+static struct platform_driver tegra20_pinctrl_driver = {
+ .driver = {
+ .name = "tegra20-pinctrl",
+ .owner = THIS_MODULE,
+ .of_match_table = tegra20_pinctrl_of_match,
+ },
+ .probe = tegra20_pinctrl_probe,
+ .remove = __devexit_p(tegra_pinctrl_remove),
+};
+
+static int __init tegra20_pinctrl_init(void)
+{
+ return platform_driver_register(&tegra20_pinctrl_driver);
+}
+arch_initcall(tegra20_pinctrl_init);
+
+static void __exit tegra20_pinctrl_exit(void)
+{
+ platform_driver_unregister(&tegra20_pinctrl_driver);
+}
+module_exit(tegra20_pinctrl_exit);
+
+MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
+MODULE_DESCRIPTION("NVIDIA Tegra20 pinctrl driver");
+MODULE_LICENSE("GPL v2");
+MODULE_DEVICE_TABLE(of, tegra20_pinctrl_of_match);
diff --git a/drivers/pinctrl/pinctrl-tegra30.c b/drivers/pinctrl/pinctrl-tegra30.c
index 4d7571d4a431..0386fdf0da16 100644
--- a/drivers/pinctrl/pinctrl-tegra30.c
+++ b/drivers/pinctrl/pinctrl-tegra30.c
@@ -1,7 +1,7 @@
/*
* Pinctrl data for the NVIDIA Tegra30 pinmux
*
- * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -13,6 +13,8 @@
* more details.
*/
+#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
@@ -3720,7 +3722,39 @@ static const struct tegra_pinctrl_soc_data tegra30_pinctrl = {
.ngroups = ARRAY_SIZE(tegra30_groups),
};
-void __devinit tegra30_pinctrl_init(const struct tegra_pinctrl_soc_data **soc)
+static int __devinit tegra30_pinctrl_probe(struct platform_device *pdev)
{
- *soc = &tegra30_pinctrl;
+ return tegra_pinctrl_probe(pdev, &tegra30_pinctrl);
}
+
+static struct of_device_id tegra30_pinctrl_of_match[] __devinitdata = {
+ { .compatible = "nvidia,tegra30-pinmux", },
+ { },
+};
+
+static struct platform_driver tegra30_pinctrl_driver = {
+ .driver = {
+ .name = "tegra30-pinctrl",
+ .owner = THIS_MODULE,
+ .of_match_table = tegra30_pinctrl_of_match,
+ },
+ .probe = tegra30_pinctrl_probe,
+ .remove = __devexit_p(tegra_pinctrl_remove),
+};
+
+static int __init tegra30_pinctrl_init(void)
+{
+ return platform_driver_register(&tegra30_pinctrl_driver);
+}
+arch_initcall(tegra30_pinctrl_init);
+
+static void __exit tegra30_pinctrl_exit(void)
+{
+ platform_driver_unregister(&tegra30_pinctrl_driver);
+}
+module_exit(tegra30_pinctrl_exit);
+
+MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
+MODULE_DESCRIPTION("NVIDIA Tegra30 pinctrl driver");
+MODULE_LICENSE("GPL v2");
+MODULE_DEVICE_TABLE(of, tegra30_pinctrl_of_match);
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 86183366647f..826c2fd8c402 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -581,15 +581,16 @@ static const struct hc_driver tegra_ehci_hc_driver = {
.port_handed_over = ehci_port_handed_over,
};
-static int setup_vbus_gpio(struct platform_device *pdev)
+static int setup_vbus_gpio(struct platform_device *pdev,
+ struct tegra_ehci_platform_data *pdata)
{
int err = 0;
int gpio;
- if (!pdev->dev.of_node)
- return 0;
-
- gpio = of_get_named_gpio(pdev->dev.of_node, "nvidia,vbus-gpio", 0);
+ gpio = pdata->vbus_gpio;
+ if (!gpio_is_valid(gpio))
+ gpio = of_get_named_gpio(pdev->dev.of_node,
+ "nvidia,vbus-gpio", 0);
if (!gpio_is_valid(gpio))
return 0;
@@ -633,7 +634,7 @@ static int tegra_ehci_probe(struct platform_device *pdev)
if (!pdev->dev.dma_mask)
pdev->dev.dma_mask = &tegra_ehci_dma_mask;
- setup_vbus_gpio(pdev);
+ setup_vbus_gpio(pdev, pdata);
tegra = kzalloc(sizeof(struct tegra_ehci_hcd), GFP_KERNEL);
if (!tegra)
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-09 10:39:02 +0000