[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/drivers/pinctrl/pinconf-generic.c b/ap/os/linux/linux-3.4.x/drivers/pinctrl/pinconf-generic.c
new file mode 100644
index 0000000..33fbaea
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/pinctrl/pinconf-generic.c
@@ -0,0 +1,120 @@
+/*
+ * Core driver for the generic pin config portions of the pin control subsystem
+ *
+ * Copyright (C) 2011 ST-Ericsson SA
+ * Written on behalf of Linaro for ST-Ericsson
+ *
+ * Author: Linus Walleij <linus.walleij@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#define pr_fmt(fmt) "generic pinconfig core: " fmt
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include "core.h"
+#include "pinconf.h"
+
+#ifdef CONFIG_DEBUG_FS
+
+struct pin_config_item {
+ const enum pin_config_param param;
+ const char * const display;
+ const char * const format;
+};
+
+#define PCONFDUMP(a, b, c) { .param = a, .display = b, .format = c }
+
+struct pin_config_item conf_items[] = {
+ PCONFDUMP(PIN_CONFIG_BIAS_DISABLE, "input bias disabled", NULL),
+ PCONFDUMP(PIN_CONFIG_BIAS_HIGH_IMPEDANCE, "input bias high impedance", NULL),
+ PCONFDUMP(PIN_CONFIG_BIAS_PULL_UP, "input bias pull up", NULL),
+ PCONFDUMP(PIN_CONFIG_BIAS_PULL_DOWN, "input bias pull down", NULL),
+ PCONFDUMP(PIN_CONFIG_DRIVE_PUSH_PULL, "output drive push pull", NULL),
+ PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_DRAIN, "output drive open drain", NULL),
+ PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_SOURCE, "output drive open source", NULL),
+ PCONFDUMP(PIN_CONFIG_INPUT_SCHMITT, "input schmitt trigger", NULL),
+ PCONFDUMP(PIN_CONFIG_INPUT_DEBOUNCE, "input debounce", "time units"),
+ PCONFDUMP(PIN_CONFIG_POWER_SOURCE, "pin power source", "selector"),
+ PCONFDUMP(PIN_CONFIG_LOW_POWER_MODE, "pin low power", "mode"),
+};
+
+void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev,
+ struct seq_file *s, unsigned pin)
+{
+ const struct pinconf_ops *ops = pctldev->desc->confops;
+ int i;
+
+ if (!ops->is_generic)
+ return;
+
+ for(i = 0; i < ARRAY_SIZE(conf_items); i++) {
+ unsigned long config;
+ int ret;
+
+ /* We want to check out this parameter */
+ config = pinconf_to_config_packed(conf_items[i].param, 0);
+ ret = pin_config_get_for_pin(pctldev, pin, &config);
+ /* These are legal errors */
+ if (ret == -EINVAL || ret == -ENOTSUPP)
+ continue;
+ if (ret) {
+ seq_printf(s, "ERROR READING CONFIG SETTING %d ", i);
+ continue;
+ }
+ /* Space between multiple configs */
+ seq_puts(s, " ");
+ seq_puts(s, conf_items[i].display);
+ /* Print unit if available */
+ if (conf_items[i].format &&
+ pinconf_to_config_argument(config) != 0)
+ seq_printf(s, " (%u %s)",
+ pinconf_to_config_argument(config),
+ conf_items[i].format);
+ }
+}
+
+void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
+ struct seq_file *s, const char *gname)
+{
+ const struct pinconf_ops *ops = pctldev->desc->confops;
+ int i;
+
+ if (!ops->is_generic)
+ return;
+
+ for(i = 0; i < ARRAY_SIZE(conf_items); i++) {
+ unsigned long config;
+ int ret;
+
+ /* We want to check out this parameter */
+ config = pinconf_to_config_packed(conf_items[i].param, 0);
+ ret = pin_config_group_get(dev_name(pctldev->dev), gname,
+ &config);
+ /* These are legal errors */
+ if (ret == -EINVAL || ret == -ENOTSUPP)
+ continue;
+ if (ret) {
+ seq_printf(s, "ERROR READING CONFIG SETTING %d ", i);
+ continue;
+ }
+ /* Space between multiple configs */
+ seq_puts(s, " ");
+ seq_puts(s, conf_items[i].display);
+ /* Print unit if available */
+ if (conf_items[i].format && config != 0)
+ seq_printf(s, " (%u %s)",
+ pinconf_to_config_argument(config),
+ conf_items[i].format);
+ }
+}
+
+#endif