aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/lantiq/patches-3.7/0108-PINCTRL-lantiq-fixes.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/lantiq/patches-3.7/0108-PINCTRL-lantiq-fixes.patch')
-rw-r--r--target/linux/lantiq/patches-3.7/0108-PINCTRL-lantiq-fixes.patch275
1 files changed, 0 insertions, 275 deletions
diff --git a/target/linux/lantiq/patches-3.7/0108-PINCTRL-lantiq-fixes.patch b/target/linux/lantiq/patches-3.7/0108-PINCTRL-lantiq-fixes.patch
deleted file mode 100644
index db9662bef6..0000000000
--- a/target/linux/lantiq/patches-3.7/0108-PINCTRL-lantiq-fixes.patch
+++ /dev/null
@@ -1,275 +0,0 @@
-From 13e754b5fff5be1930e2b8fe534a52b608c9e479 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 3 Dec 2012 19:27:28 +0100
-Subject: [PATCH] PINCTRL: lantiq: fixes
-
----
- drivers/pinctrl/pinctrl-lantiq.c | 54 ++++++++++++++++++-----------
- drivers/pinctrl/pinctrl-lantiq.h | 1 +
- drivers/pinctrl/pinctrl-xway.c | 70 ++++++++++++++++++++++++++++++++++----
- 3 files changed, 99 insertions(+), 26 deletions(-)
-
---- a/drivers/pinctrl/pinctrl-lantiq.c
-+++ b/drivers/pinctrl/pinctrl-lantiq.c
-@@ -64,11 +64,13 @@ static void ltq_pinctrl_pin_dbg_show(str
- seq_printf(s, " %s", dev_name(pctldev->dev));
- }
-
--static int ltq_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev,
-+static void ltq_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev,
- struct device_node *np,
- struct pinctrl_map **map)
- {
- struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
-+ struct property *pins = of_find_property(np, "lantiq,pins", NULL);
-+ struct property *groups = of_find_property(np, "lantiq,groups", NULL);
- unsigned long configs[3];
- unsigned num_configs = 0;
- struct property *prop;
-@@ -76,8 +78,20 @@ static int ltq_pinctrl_dt_subnode_to_map
- const char *function;
- int ret, i;
-
-+ if (!pins && !groups) {
-+ dev_err(pctldev->dev, "%s defines neither pins nor groups\n",
-+ np->name);
-+ return;
-+ }
-+
-+ if (pins && groups) {
-+ dev_err(pctldev->dev, "%s defines both pins and groups\n",
-+ np->name);
-+ return;
-+ }
-+
- ret = of_property_read_string(np, "lantiq,function", &function);
-- if (!ret) {
-+ if (groups && !ret) {
- of_property_for_each_string(np, "lantiq,groups", prop, group) {
- (*map)->type = PIN_MAP_TYPE_MUX_GROUP;
- (*map)->name = function;
-@@ -85,11 +99,6 @@ static int ltq_pinctrl_dt_subnode_to_map
- (*map)->data.mux.function = function;
- (*map)++;
- }
-- if (of_find_property(np, "lantiq,pins", NULL))
-- dev_err(pctldev->dev,
-- "%s mixes pins and groups settings\n",
-- np->name);
-- return 0;
- }
-
- for (i = 0; i < info->num_params; i++) {
-@@ -103,7 +112,7 @@ static int ltq_pinctrl_dt_subnode_to_map
- }
-
- if (!num_configs)
-- return -EINVAL;
-+ return;
-
- of_property_for_each_string(np, "lantiq,pins", prop, pin) {
- (*map)->data.configs.configs = kmemdup(configs,
-@@ -115,7 +124,16 @@ static int ltq_pinctrl_dt_subnode_to_map
- (*map)->data.configs.num_configs = num_configs;
- (*map)++;
- }
-- return 0;
-+ of_property_for_each_string(np, "lantiq,groups", prop, group) {
-+ (*map)->data.configs.configs = kmemdup(configs,
-+ num_configs * sizeof(unsigned long),
-+ GFP_KERNEL);
-+ (*map)->type = PIN_MAP_TYPE_CONFIGS_GROUP;
-+ (*map)->name = group;
-+ (*map)->data.configs.group_or_pin = group;
-+ (*map)->data.configs.num_configs = num_configs;
-+ (*map)++;
-+ }
- }
-
- static int ltq_pinctrl_dt_subnode_size(struct device_node *np)
-@@ -135,23 +153,19 @@ int ltq_pinctrl_dt_node_to_map(struct pi
- {
- struct pinctrl_map *tmp;
- struct device_node *np;
-- int ret;
-+ int max_maps = 0;
-
-- *num_maps = 0;
- for_each_child_of_node(np_config, np)
-- *num_maps += ltq_pinctrl_dt_subnode_size(np);
-- *map = kzalloc(*num_maps * sizeof(struct pinctrl_map), GFP_KERNEL);
-+ max_maps += ltq_pinctrl_dt_subnode_size(np);
-+ *map = kzalloc(max_maps * sizeof(struct pinctrl_map) * 2, GFP_KERNEL);
- if (!*map)
- return -ENOMEM;
- tmp = *map;
-
-- for_each_child_of_node(np_config, np) {
-- ret = ltq_pinctrl_dt_subnode_to_map(pctldev, np, &tmp);
-- if (ret < 0) {
-- ltq_pinctrl_dt_free_map(pctldev, *map, *num_maps);
-- return ret;
-- }
-- }
-+ for_each_child_of_node(np_config, np)
-+ ltq_pinctrl_dt_subnode_to_map(pctldev, np, &tmp);
-+ *num_maps = ((int)(tmp - *map));
-+
- return 0;
- }
-
---- a/drivers/pinctrl/pinctrl-lantiq.h
-+++ b/drivers/pinctrl/pinctrl-lantiq.h
-@@ -34,6 +34,7 @@ enum ltq_pinconf_param {
- LTQ_PINCONF_PARAM_OPEN_DRAIN,
- LTQ_PINCONF_PARAM_DRIVE_CURRENT,
- LTQ_PINCONF_PARAM_SLEW_RATE,
-+ LTQ_PINCONF_PARAM_OUTPUT,
- };
-
- struct ltq_cfg_param {
---- a/drivers/pinctrl/pinctrl-xway.c
-+++ b/drivers/pinctrl/pinctrl-xway.c
-@@ -443,7 +443,7 @@ static int xway_pinconf_get(struct pinct
- else
- reg = GPIO_OD(pin);
- *config = LTQ_PINCONF_PACK(param,
-- !!gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
-+ !gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
- break;
-
- case LTQ_PINCONF_PARAM_PULL:
-@@ -466,6 +466,11 @@ static int xway_pinconf_get(struct pinct
- *config = LTQ_PINCONF_PACK(param, 1);
- break;
-
-+ case LTQ_PINCONF_PARAM_OUTPUT:
-+ reg = GPIO_DIR(pin);
-+ *config = LTQ_PINCONF_PACK(param,
-+ gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
-+ break;
- default:
- dev_err(pctldev->dev, "Invalid config param %04x\n", param);
- return -ENOTSUPP;
-@@ -489,7 +494,10 @@ static int xway_pinconf_set(struct pinct
- reg = GPIO3_OD;
- else
- reg = GPIO_OD(pin);
-- gpio_setbit(info->membase[0], reg, PORT_PIN(pin));
-+ if (arg == 0)
-+ gpio_setbit(info->membase[0], reg, PORT_PIN(pin));
-+ else
-+ gpio_clearbit(info->membase[0], reg, PORT_PIN(pin));
- break;
-
- case LTQ_PINCONF_PARAM_PULL:
-@@ -515,6 +523,14 @@ static int xway_pinconf_set(struct pinct
- dev_err(pctldev->dev, "Invalid pull value %d\n", arg);
- break;
-
-+ case LTQ_PINCONF_PARAM_OUTPUT:
-+ reg = GPIO_DIR(pin);
-+ if (arg == 0)
-+ gpio_clearbit(info->membase[0], reg, PORT_PIN(pin));
-+ else
-+ gpio_setbit(info->membase[0], reg, PORT_PIN(pin));
-+ break;
-+
- default:
- dev_err(pctldev->dev, "Invalid config param %04x\n", param);
- return -ENOTSUPP;
-@@ -522,9 +538,25 @@ static int xway_pinconf_set(struct pinct
- return 0;
- }
-
-+int xway_pinconf_group_set(struct pinctrl_dev *pctldev,
-+ unsigned selector,
-+ unsigned long config)
-+{
-+ struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
-+ int i, ret = 0;
-+
-+ for (i = 0; i < info->grps[selector].npins && !ret; i++)
-+ ret = xway_pinconf_set(pctldev,
-+ info->grps[selector].pins[i], config);
-+
-+ return ret;
-+}
-+
-+
- struct pinconf_ops xway_pinconf_ops = {
- .pin_config_get = xway_pinconf_get,
- .pin_config_set = xway_pinconf_set,
-+ .pin_config_group_set = xway_pinconf_group_set,
- };
-
- static struct pinctrl_desc xway_pctrl_desc = {
-@@ -532,10 +564,9 @@ static struct pinctrl_desc xway_pctrl_de
- .confops = &xway_pinconf_ops,
- };
-
--static inline int xway_mux_apply(struct pinctrl_dev *pctrldev,
-+static int mux_apply(struct ltq_pinmux_info *info,
- int pin, int mux)
- {
-- struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
- int port = PORT(pin);
- u32 alt1_reg = GPIO_ALT1(pin);
-
-@@ -555,9 +586,18 @@ static inline int xway_mux_apply(struct
- return 0;
- }
-
-+static inline int xway_mux_apply(struct pinctrl_dev *pctrldev,
-+ int pin, int mux)
-+{
-+ struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
-+
-+ return mux_apply(info, pin, mux);
-+}
-+
- static const struct ltq_cfg_param xway_cfg_params[] = {
- {"lantiq,pull", LTQ_PINCONF_PARAM_PULL},
- {"lantiq,open-drain", LTQ_PINCONF_PARAM_OPEN_DRAIN},
-+ {"lantiq,output", LTQ_PINCONF_PARAM_OUTPUT},
- };
-
- static struct ltq_pinmux_info xway_info = {
-@@ -598,6 +638,10 @@ static int xway_gpio_dir_out(struct gpio
- {
- struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
-
-+ if (PORT(pin) == PORT3)
-+ gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin));
-+ else
-+ gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin));
- gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
- xway_gpio_set(chip, pin, val);
-
-@@ -618,6 +662,18 @@ static void xway_gpio_free(struct gpio_c
- pinctrl_free_gpio(gpio);
- }
-
-+static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
-+{
-+ struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
-+ int i;
-+
-+ for (i = 0; i < info->num_exin; i++)
-+ if (info->exin[i] == offset)
-+ return ltq_eiu_get_irq(i);
-+
-+ return -1;
-+}
-+
- static struct gpio_chip xway_chip = {
- .label = "gpio-xway",
- .direction_input = xway_gpio_dir_in,
-@@ -626,6 +682,7 @@ static struct gpio_chip xway_chip = {
- .set = xway_gpio_set,
- .request = xway_gpio_req,
- .free = xway_gpio_free,
-+ .to_irq = xway_gpio_to_irq,
- .base = -1,
- };
-