Author: manu
Date: Mon Jun 19 06:30:04 2017
New Revision: 320091
URL: https://svnweb.freebsd.org/changeset/base/320091
Log:
allwinner: Configure pins for DTS >= Linux 4.11
Starting with DTS from Linux 4.11, the pins list, function, drive and pull
are no longer prefixed with "allwinner,".
Allow the pinctrl driver to handle both case.
Modified:
head/sys/arm/allwinner/a10_gpio.c
Modified: head/sys/arm/allwinner/a10_gpio.c
==============================================================================
--- head/sys/arm/allwinner/a10_gpio.c Mon Jun 19 05:02:27 2017
(r320090)
+++ head/sys/arm/allwinner/a10_gpio.c Mon Jun 19 06:30:04 2017
(r320091)
@@ -565,24 +565,38 @@ aw_fdt_configure_pins(device_t dev, phandle_t cfgxref)
ret = 0;
/* Getting all prop for configuring pins */
- pins_nb = ofw_bus_string_list_to_array(node, "allwinner,pins",
&pinlist);
- if (pins_nb <= 0)
- return (ENOENT);
- if (OF_getprop_alloc(node, "allwinner,function",
+ pins_nb = ofw_bus_string_list_to_array(node, "pins", &pinlist);
+ if (pins_nb <= 0) {
+ pins_nb = ofw_bus_string_list_to_array(node, "allwinner,pins",
+ &pinlist);
+ if (pins_nb <= 0)
+ return (ENOENT);
+ }
+ if (OF_getprop_alloc(node, "function",
sizeof(*pin_function),
(void **)&pin_function) == -1) {
- ret = ENOENT;
- goto out;
+ if (OF_getprop_alloc(node, "allwinner,function",
+ sizeof(*pin_function),
+ (void **)&pin_function) == -1) {
+ ret = ENOENT;
+ goto out;
+ }
}
- if (OF_getencprop(node, "allwinner,drive",
+ if (OF_getencprop(node, "drive",
&pin_drive, sizeof(pin_drive)) == -1) {
- ret = ENOENT;
- goto out;
+ if (OF_getencprop(node, "allwinner,drive",
+ &pin_drive, sizeof(pin_drive)) == -1) {
+ ret = ENOENT;
+ goto out;
+ }
}
- if (OF_getencprop(node, "allwinner,pull",
+ if (OF_getencprop(node, "pull",
&pin_pull, sizeof(pin_pull)) == -1) {
- ret = ENOENT;
- goto out;
+ if (OF_getencprop(node, "allwinner,pull",
+ &pin_pull, sizeof(pin_pull)) == -1) {
+ ret = ENOENT;
+ goto out;
+ }
}
/* Configure each pin to the correct function, drive and pull */
@@ -697,6 +711,8 @@ a10_gpio_attach(device_t dev)
/*
* Register as a pinctrl device
*/
+ fdt_pinctrl_register(dev, "pins");
+ fdt_pinctrl_configure_tree(dev);
fdt_pinctrl_register(dev, "allwinner,pins");
fdt_pinctrl_configure_tree(dev);
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