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| author | Tristram Ha <[email protected]> | 2019-07-29 17:49:47 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2019-07-30 22:12:50 +0000 |
| commit | e66f840c08a237acfbb981592047b53e7411012f (patch) | |
| tree | 67cbf1203dff60205bf764322adb9b39a3666e3b /drivers/net/dsa/microchip/ksz_common.h | |
| parent | net: dsa: ksz: Add KSZ8795 tag code (diff) | |
| download | kernel-e66f840c08a237acfbb981592047b53e7411012f.tar.gz kernel-e66f840c08a237acfbb981592047b53e7411012f.zip | |
net: dsa: ksz: Add Microchip KSZ8795 DSA driver
Add Microchip KSZ8795 DSA driver.
Signed-off-by: Tristram Ha <[email protected]>
Signed-off-by: Marek Vasut <[email protected]>
Cc: Andrew Lunn <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Florian Fainelli <[email protected]>
Cc: Tristram Ha <[email protected]>
Cc: Vivien Didelot <[email protected]>
Cc: Woojung Huh <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'drivers/net/dsa/microchip/ksz_common.h')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_common.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index ee7096d8af07..84fed4a2578b 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -68,6 +68,22 @@ static inline int ksz_read32(struct ksz_device *dev, u32 reg, u32 *val) return ret; } +static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val) +{ + u32 value[2]; + int ret; + + ret = regmap_bulk_read(dev->regmap[2], reg, value, 2); + if (!ret) { + /* Ick! ToDo: Add 64bit R/W to regmap on 32bit systems */ + value[0] = swab32(value[0]); + value[1] = swab32(value[1]); + *val = swab64((u64)*value); + } + + return ret; +} + static inline int ksz_write8(struct ksz_device *dev, u32 reg, u8 value) { return regmap_write(dev->regmap[0], reg, value); @@ -83,6 +99,18 @@ static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value) return regmap_write(dev->regmap[2], reg, value); } +static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value) +{ + u32 val[2]; + + /* Ick! ToDo: Add 64bit R/W to regmap on 32bit systems */ + value = swab64(value); + val[0] = swab32(value & 0xffffffffULL); + val[1] = swab32(value >> 32ULL); + + return regmap_bulk_write(dev->regmap[2], reg, val, 2); +} + static inline void ksz_pread8(struct ksz_device *dev, int port, int offset, u8 *data) { |