diff options
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.patch | 275 |
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, - }; - |