2 # Copyright (c) 2014 Ian Lepore
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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17 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/types.h>
31 #include <dev/ofw/openfirm.h>
34 # This is the interface that fdt_pinctrl drivers provide to other drivers.
37 INTERFACE fdt_pinctrl;
41 fdt_pinctrl_default_is_gpio(device_t pinctrl, device_t gpio, bool *is_gpio)
48 fdt_pinctrl_default_set_flags(device_t pinctrl, device_t gpio, uint32_t pin,
56 fdt_pinctrl_default_get_flags(device_t pinctrl, device_t gpio, uint32_t pin,
64 # Needed for timestamping device probe/attach calls
66 #include <sys/tslog.h>
70 # Set pins to the specified configuration. The cfgxref arg is an xref phandle
71 # to a descendent node (child, grandchild, ...) of the pinctrl device node.
72 # Returns 0 on success or a standard errno value.
75 TSENTER2(device_get_name(pinctrl));
78 TSEXIT2(device_get_name(pinctrl));
80 METHOD int configure {
87 # Test if the pin is in gpio mode
88 # Called from a gpio device
95 } DEFAULT fdt_pinctrl_default_is_gpio;
98 # Set the flags of a pin
99 # Called from a gpio device
101 METHOD int set_flags {
106 } DEFAULT fdt_pinctrl_default_set_flags;
109 # Get the flags of a pin
110 # Called from a gpio device
112 METHOD int get_flags {
117 } DEFAULT fdt_pinctrl_default_get_flags;