You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
3.1 KiB
112 lines
3.1 KiB
From 09240ae27ffca65518f7b9d2360c020c1b1ddabe Mon Sep 17 00:00:00 2001
|
|
From: Linus Walleij <linus.walleij@linaro.org>
|
|
Date: Sat, 28 Oct 2017 15:37:18 +0200
|
|
Subject: [PATCH 05/31] pinctrl: gemini: Use generic DT parser
|
|
|
|
We can just use the generic Device Tree parser code
|
|
in this driver and save some code.
|
|
|
|
Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
|
|
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
|
|
---
|
|
drivers/pinctrl/Kconfig | 1 +
|
|
drivers/pinctrl/pinctrl-gemini.c | 66 +++-------------------------------------
|
|
2 files changed, 5 insertions(+), 62 deletions(-)
|
|
|
|
--- a/drivers/pinctrl/Kconfig
|
|
+++ b/drivers/pinctrl/Kconfig
|
|
@@ -153,6 +153,7 @@ config PINCTRL_GEMINI
|
|
depends on ARCH_GEMINI
|
|
default ARCH_GEMINI
|
|
select PINMUX
|
|
+ select GENERIC_PINCONF
|
|
select MFD_SYSCON
|
|
|
|
config PINCTRL_MCP23S08
|
|
--- a/drivers/pinctrl/pinctrl-gemini.c
|
|
+++ b/drivers/pinctrl/pinctrl-gemini.c
|
|
@@ -13,6 +13,8 @@
|
|
#include <linux/pinctrl/machine.h>
|
|
#include <linux/pinctrl/pinctrl.h>
|
|
#include <linux/pinctrl/pinmux.h>
|
|
+#include <linux/pinctrl/pinconf.h>
|
|
+#include <linux/pinctrl/pinconf-generic.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/regmap.h>
|
|
@@ -1946,73 +1948,13 @@ static void gemini_pin_dbg_show(struct p
|
|
seq_printf(s, " " DRIVER_NAME);
|
|
}
|
|
|
|
-static int gemini_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev,
|
|
- struct device_node *np,
|
|
- struct pinctrl_map **map,
|
|
- unsigned int *reserved_maps,
|
|
- unsigned int *num_maps)
|
|
-{
|
|
- int ret;
|
|
- const char *function = NULL;
|
|
- const char *group;
|
|
- struct property *prop;
|
|
-
|
|
- ret = of_property_read_string(np, "function", &function);
|
|
- if (ret < 0)
|
|
- return ret;
|
|
-
|
|
- ret = of_property_count_strings(np, "groups");
|
|
- if (ret < 0)
|
|
- return ret;
|
|
-
|
|
- ret = pinctrl_utils_reserve_map(pctldev, map, reserved_maps,
|
|
- num_maps, ret);
|
|
- if (ret < 0)
|
|
- return ret;
|
|
-
|
|
- of_property_for_each_string(np, "groups", prop, group) {
|
|
- ret = pinctrl_utils_add_map_mux(pctldev, map, reserved_maps,
|
|
- num_maps, group, function);
|
|
- if (ret < 0)
|
|
- return ret;
|
|
- pr_debug("ADDED FUNCTION %s <-> GROUP %s\n",
|
|
- function, group);
|
|
- }
|
|
-
|
|
- return 0;
|
|
-}
|
|
-
|
|
-static int gemini_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
|
|
- struct device_node *np_config,
|
|
- struct pinctrl_map **map,
|
|
- unsigned int *num_maps)
|
|
-{
|
|
- unsigned int reserved_maps = 0;
|
|
- struct device_node *np;
|
|
- int ret;
|
|
-
|
|
- *map = NULL;
|
|
- *num_maps = 0;
|
|
-
|
|
- for_each_child_of_node(np_config, np) {
|
|
- ret = gemini_pinctrl_dt_subnode_to_map(pctldev, np, map,
|
|
- &reserved_maps, num_maps);
|
|
- if (ret < 0) {
|
|
- pinctrl_utils_free_map(pctldev, *map, *num_maps);
|
|
- return ret;
|
|
- }
|
|
- }
|
|
-
|
|
- return 0;
|
|
-};
|
|
-
|
|
static const struct pinctrl_ops gemini_pctrl_ops = {
|
|
.get_groups_count = gemini_get_groups_count,
|
|
.get_group_name = gemini_get_group_name,
|
|
.get_group_pins = gemini_get_group_pins,
|
|
.pin_dbg_show = gemini_pin_dbg_show,
|
|
- .dt_node_to_map = gemini_pinctrl_dt_node_to_map,
|
|
- .dt_free_map = pinctrl_utils_free_map,
|
|
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_group,
|
|
+ .dt_free_map = pinconf_generic_dt_free_map,
|
|
};
|
|
|
|
/**
|
|
|