platform NAND driver: update header
Subsystems (2)
PATCH 1/2 platform NAND driver: update header
This patch extends nand.h in order to enable platform NAND driver.
include/linux/mtd/nand.h | 16 ++++++++++++++++
1 files changed, 16 insertions(+)
include/linux/mtd/nand.h +1 -0
@@ -560,6 +560,7 @@ extern int nand_do_read(struct mtd_info* @chip_delay: R/B delay value in us * @options: Option flags, e.g. 16bit buswidth * @ecclayout: ecc layout info structure +* @part_probe_types: NULL-terminated array of probe types * @priv: hardware controller specific settings */
struct platform_nand_chip {
@@ -570,6 +571,7 @@ struct platform_nand_chip {
struct nand_ecclayout *ecclayout;
int chip_delay;
unsigned int options;
+ const char **part_probe_types;
void *priv;
};@@ -578,6 +580,8 @@ struct platform_nand_chip {
* @hwcontrol: platform specific hardware control structure
* @dev_ready: platform specific function to read ready/busy pin
* @select_chip: platform specific chip select function
+ * @cmd_ctrl: platform specific function for controlling
+ * ALE/CLE/nCE. Also used to write command and address
* @priv: private data to transport driver specific settings
*
* All fields are optional and depend on the hardware driver requirements
@@ -586,9 +590,21 @@ struct platform_nand_ctrl {
void (*hwcontrol)(struct mtd_info *mtd, int cmd);
int (*dev_ready)(struct mtd_info *mtd);
void (*select_chip)(struct mtd_info *mtd, int chip);
+ void (*cmd_ctrl)(struct mtd_info *mtd, int dat,
+ unsigned int ctrl);
void *priv;
};+/**
+ * struct platform_nand_data - container structure for platform-specific data
+ * @chip: chip level chip structure
+ * @ctrl: controller level device structure
+ */
+struct platform_nand_data {
+ struct platform_nand_chip chip;
+ struct platform_nand_ctrl ctrl;
+};
+
/* Some helpers to access the data structures */
static inline
struct platform_nand_chip *get_platform_nandchip(struct mtd_info *mtd)