Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / pinctrl / freescale / pinctrl-imx1.h

diff --git a/kernel/drivers/pinctrl/freescale/pinctrl-imx1.h b/kernel/drivers/pinctrl/freescale/pinctrl-imx1.h
new file mode 100644 (file)
index 0000000..692a54c
--- /dev/null
+++ b/kernel/drivers/pinctrl/freescale/pinctrl-imx1.h
@@ -0,0 +1,73 @@
+/*
+ * IMX pinmux core definitions
+ *
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ * Copyright (C) 2012 Linaro Ltd.
+ *
+ * Author: Dong Aisheng <dong.aisheng@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __DRIVERS_PINCTRL_IMX1_H
+#define __DRIVERS_PINCTRL_IMX1_H
+
+struct platform_device;
+
+/**
+ * struct imx1_pin - describes an IMX1/21/27 pin.
+ * @pin_id: ID of the described pin.
+ * @mux_id: ID of the mux setup.
+ * @config: Configuration of the pin (currently only pullup-enable).
+ */
+struct imx1_pin {
+       unsigned int pin_id;
+       unsigned int mux_id;
+       unsigned long config;
+};
+
+/**
+ * struct imx1_pin_group - describes an IMX pin group
+ * @name: the name of this specific pin group
+ * @pins: an array of imx1_pin structs used in this group
+ * @npins: the number of pins in this group array, i.e. the number of
+ *     elements in .pins so we can iterate over that array
+ */
+struct imx1_pin_group {
+       const char *name;
+       unsigned int *pin_ids;
+       struct imx1_pin *pins;
+       unsigned npins;
+};
+
+/**
+ * struct imx1_pmx_func - describes IMX pinmux functions
+ * @name: the name of this specific function
+ * @groups: corresponding pin groups
+ * @num_groups: the number of groups
+ */
+struct imx1_pmx_func {
+       const char *name;
+       const char **groups;
+       unsigned num_groups;
+};
+
+struct imx1_pinctrl_soc_info {
+       struct device *dev;
+       const struct pinctrl_pin_desc *pins;
+       unsigned int npins;
+       struct imx1_pin_group *groups;
+       unsigned int ngroups;
+       struct imx1_pmx_func *functions;
+       unsigned int nfunctions;
+};
+
+#define IMX_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin)
+
+int imx1_pinctrl_core_probe(struct platform_device *pdev,
+                       struct imx1_pinctrl_soc_info *info);
+int imx1_pinctrl_core_remove(struct platform_device *pdev);
+#endif /* __DRIVERS_PINCTRL_IMX1_H */