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-rw-r--r--arch/arm/mach-tegra/board-pinmux.c105
1 files changed, 44 insertions, 61 deletions
diff --git a/arch/arm/mach-tegra/board-pinmux.c b/arch/arm/mach-tegra/board-pinmux.c
index adc3efe..a5574c7 100644
--- a/arch/arm/mach-tegra/board-pinmux.c
+++ b/arch/arm/mach-tegra/board-pinmux.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2011,2012, NVIDIA CORPORATION. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -15,75 +15,59 @@
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/notifier.h>
-#include <linux/of.h>
#include <linux/string.h>
-#include <mach/gpio-tegra.h>
-#include <mach/pinmux.h>
-
#include "board-pinmux.h"
#include "devices.h"
-struct tegra_board_pinmux_conf *confs[2];
-
-static void tegra_board_pinmux_setup_gpios(void)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(confs); i++) {
- if (!confs[i])
- continue;
-
- tegra_gpio_config(confs[i]->gpios, confs[i]->gpio_count);
- }
-}
-
-static void tegra_board_pinmux_setup_pinmux(void)
-{
- int i;
+unsigned long tegra_pincfg_pullnone_driven[2] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
+};
- for (i = 0; i < ARRAY_SIZE(confs); i++) {
- if (!confs[i])
- continue;
+unsigned long tegra_pincfg_pullnone_tristate[2] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
+};
- tegra_pinmux_config_table(confs[i]->pgs, confs[i]->pg_count);
+unsigned long tegra_pincfg_pullnone_na[1] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
+};
- if (confs[i]->drives)
- tegra_drive_pinmux_config_table(confs[i]->drives,
- confs[i]->drive_count);
- }
-}
+unsigned long tegra_pincfg_pullup_driven[2] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
+};
-static int tegra_board_pinmux_bus_notify(struct notifier_block *nb,
- unsigned long event, void *vdev)
-{
- static bool had_gpio;
- static bool had_pinmux;
+unsigned long tegra_pincfg_pullup_tristate[2] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
+};
- struct device *dev = vdev;
- const char *devname;
+unsigned long tegra_pincfg_pullup_na[1] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
+};
- if (event != BUS_NOTIFY_BOUND_DRIVER)
- return NOTIFY_DONE;
+unsigned long tegra_pincfg_pulldown_driven[2] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
+};
- devname = dev_name(dev);
+unsigned long tegra_pincfg_pulldown_tristate[2] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
+};
- if (!had_gpio && !strcmp(devname, GPIO_DEV)) {
- tegra_board_pinmux_setup_gpios();
- had_gpio = true;
- } else if (!had_pinmux && !strcmp(devname, PINMUX_DEV)) {
- tegra_board_pinmux_setup_pinmux();
- had_pinmux = true;
- }
+unsigned long tegra_pincfg_pulldown_na[1] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
+};
- if (had_gpio && had_pinmux)
- return NOTIFY_STOP_MASK;
- else
- return NOTIFY_DONE;
-}
+unsigned long tegra_pincfg_pullna_driven[1] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
+};
-static struct notifier_block nb = {
- .notifier_call = tegra_board_pinmux_bus_notify,
+unsigned long tegra_pincfg_pullna_tristate[1] = {
+ TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
};
static struct platform_device *devices[] = {
@@ -94,11 +78,10 @@ static struct platform_device *devices[] = {
void tegra_board_pinmux_init(struct tegra_board_pinmux_conf *conf_a,
struct tegra_board_pinmux_conf *conf_b)
{
- confs[0] = conf_a;
- confs[1] = conf_b;
-
- bus_register_notifier(&platform_bus_type, &nb);
+ if (conf_a)
+ pinctrl_register_mappings(conf_a->maps, conf_a->map_count);
+ if (conf_b)
+ pinctrl_register_mappings(conf_b->maps, conf_b->map_count);
- if (!of_machine_is_compatible("nvidia,tegra20"))
- platform_add_devices(devices, ARRAY_SIZE(devices));
+ platform_add_devices(devices, ARRAY_SIZE(devices));
}