diff options
Diffstat (limited to 'include/dm')
| -rw-r--r-- | include/dm/device.h | 11 | ||||
| -rw-r--r-- | include/dm/of_access.h | 19 | ||||
| -rw-r--r-- | include/dm/ofnode.h | 25 | ||||
| -rw-r--r-- | include/dm/read.h | 40 | ||||
| -rw-r--r-- | include/dm/util.h | 27 |
5 files changed, 91 insertions, 31 deletions
diff --git a/include/dm/device.h b/include/dm/device.h index 35e19d8700..975eec5d0e 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -80,18 +80,21 @@ struct driver_info; */ enum { /* Normal remove, remove all devices */ - DM_REMOVE_NORMAL = 1 << 0, + DM_REMOVE_NORMAL = 1 << 0, /* Remove devices with active DMA */ - DM_REMOVE_ACTIVE_DMA = DM_FLAG_ACTIVE_DMA, + DM_REMOVE_ACTIVE_DMA = DM_FLAG_ACTIVE_DMA, /* Remove devices which need some final OS preparation steps */ - DM_REMOVE_OS_PREPARE = DM_FLAG_OS_PREPARE, + DM_REMOVE_OS_PREPARE = DM_FLAG_OS_PREPARE, /* Add more use cases here */ /* Remove devices with any active flag */ - DM_REMOVE_ACTIVE_ALL = DM_REMOVE_ACTIVE_DMA | DM_REMOVE_OS_PREPARE, + DM_REMOVE_ACTIVE_ALL = DM_REMOVE_ACTIVE_DMA | DM_REMOVE_OS_PREPARE, + + /* Don't power down any attached power domains */ + DM_REMOVE_NO_PD = 1 << 1, }; /** diff --git a/include/dm/of_access.h b/include/dm/of_access.h index 13fedb7cf5..92876b3ecb 100644 --- a/include/dm/of_access.h +++ b/include/dm/of_access.h @@ -235,6 +235,25 @@ struct device_node *of_find_node_by_phandle(phandle handle); int of_read_u32(const struct device_node *np, const char *propname, u32 *outp); /** + * of_read_u32_index() - Find and read a 32-bit value from a multi-value + * property + * + * Search for a property in a device node and read a 32-bit value from + * it. + * + * @np: device node from which the property value is to be read. + * @propname: name of the property to be searched. + * @index: index of the u32 in the list of values + * @outp: pointer to return value, modified only if return value is 0. + * + * @return 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + */ +int of_read_u32_index(const struct device_node *np, const char *propname, + int index, u32 *outp); + +/** * of_read_u64() - Find and read a 64-bit integer from a property * * Search for a property in a device node and read a 64-bit value from diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index b5a50e8849..ce5e366c06 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -203,6 +203,18 @@ static inline ofnode ofnode_null(void) int ofnode_read_u32(ofnode node, const char *propname, u32 *outp); /** + * ofnode_read_u32_index() - Read a 32-bit integer from a multi-value property + * + * @ref: valid node reference to read property from + * @propname: name of the property to read from + * @index: index of the integer to return + * @outp: place to put value (if found) + * @return 0 if OK, -ve on error + */ +int ofnode_read_u32_index(ofnode node, const char *propname, int index, + u32 *outp); + +/** * ofnode_read_s32() - Read a 32-bit integer from a property * * @ref: valid node reference to read property from @@ -227,6 +239,19 @@ static inline int ofnode_read_s32(ofnode node, const char *propname, u32 ofnode_read_u32_default(ofnode ref, const char *propname, u32 def); /** + * ofnode_read_u32_index_default() - Read a 32-bit integer from a multi-value + * property + * + * @ref: valid node reference to read property from + * @propname: name of the property to read from + * @index: index of the integer to return + * @def: default value to return if the property has no value + * @return property value, or @def if not found + */ +u32 ofnode_read_u32_index_default(ofnode ref, const char *propname, int index, + u32 def); + +/** * ofnode_read_s32_default() - Read a 32-bit integer from a property * * @ref: valid node reference to read property from diff --git a/include/dm/read.h b/include/dm/read.h index da8c7f25e7..77d3bc8db5 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -67,6 +67,32 @@ int dev_read_u32_default(const struct udevice *dev, const char *propname, int def); /** + * dev_read_u32_index() - read an indexed 32-bit integer from a device's DT + * property + * + * @dev: device to read DT property from + * @propname: name of the property to read from + * @index: index of the integer to return + * @outp: place to put value (if found) + * @return 0 if OK, -ve on error + */ +int dev_read_u32_index(struct udevice *dev, const char *propname, int index, + u32 *outp); + +/** + * dev_read_u32_index_default() - read an indexed 32-bit integer from a device's + * DT property + * + * @dev: device to read DT property from + * @propname: name of the property to read from + * @index: index of the integer to return + * @def: default value to return if the property has no value + * @return property value, or @def if not found + */ +u32 dev_read_u32_index_default(struct udevice *dev, const char *propname, + int index, u32 def); + +/** * dev_read_s32() - read a signed 32-bit integer from a device's DT property * * @dev: device to read DT property from @@ -621,6 +647,20 @@ static inline int dev_read_u32_default(const struct udevice *dev, return ofnode_read_u32_default(dev_ofnode(dev), propname, def); } +static inline int dev_read_u32_index(struct udevice *dev, + const char *propname, int index, u32 *outp) +{ + return ofnode_read_u32_index(dev_ofnode(dev), propname, index, outp); +} + +static inline u32 dev_read_u32_index_default(struct udevice *dev, + const char *propname, int index, + u32 def) +{ + return ofnode_read_u32_index_default(dev_ofnode(dev), propname, index, + def); +} + static inline int dev_read_s32(const struct udevice *dev, const char *propname, s32 *outp) { diff --git a/include/dm/util.h b/include/dm/util.h index 0ccb3fbadf..23f8deb14e 100644 --- a/include/dm/util.h +++ b/include/dm/util.h @@ -42,31 +42,4 @@ static inline void dm_dump_devres(void) /* Dump out a list of drivers */ void dm_dump_drivers(void); -/** - * Check if an of node should be or was bound before relocation. - * - * Devicetree nodes can be marked as needed to be bound - * in the loader stages via special devicetree properties. - * - * Before relocation this function can be used to check if nodes - * are required in either SPL or TPL stages. - * - * After relocation and jumping into the real U-Boot binary - * it is possible to determine if a node was bound in one of - * SPL/TPL stages. - * - * There are 4 settings currently in use - * - u-boot,dm-pre-proper: U-Boot proper pre-relocation only - * - u-boot,dm-pre-reloc: legacy and indicates any of TPL or SPL - * Existing platforms only use it to indicate nodes needed in - * SPL. Should probably be replaced by u-boot,dm-spl for - * existing platforms. - * - u-boot,dm-spl: SPL and U-Boot pre-relocation - * - u-boot,dm-tpl: TPL and U-Boot pre-relocation - * @node: of node - * - * Returns true if node is needed in SPL/TL, false otherwise. - */ -bool dm_ofnode_pre_reloc(ofnode node); - #endif |