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| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2020-02-18 15:23:03 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-02-19 09:03:31 +0100 |
| commit | 54bf3146e571f30cc90f44ad05d5947d9622fb73 (patch) | |
| tree | ebb323ab3f013c50800e1fd1cc2e21e4be1df19d | |
| parent | afb230077602b5a50f9661bd11b71f678dc2fe34 (diff) | |
| download | barebox-54bf3146e571f30cc90f44ad05d5947d9622fb73.tar.gz barebox-54bf3146e571f30cc90f44ad05d5947d9622fb73.tar.xz | |
mfd: syscon: use regmap-mmio as backend
Linux supports a clocks property in syscon nodes to indicate that access
should only occur with the clock active. The new regmap-mmio supports
this, thus port syscon over, so it can make use of it in a later commit.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/mfd/syscon.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index 8099419378..adc263c6e6 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -31,27 +31,6 @@ struct syscon { struct regmap *regmap; }; -static int syscon_reg_write(void *context, unsigned int reg, - unsigned int val) -{ - struct syscon *syscon = context; - writel(val, syscon->base + reg); - return 0; -} - -static int syscon_reg_read(void *context, unsigned int reg, - unsigned int *val) -{ - struct syscon *syscon = context; - *val = readl(syscon->base + reg); - return 0; -} - -static const struct regmap_bus syscon_regmap_bus = { - .reg_write = syscon_reg_write, - .reg_read = syscon_reg_read, -}; - static const struct regmap_config syscon_regmap_config = { .reg_bits = 32, .val_bits = 32, @@ -79,10 +58,8 @@ static struct syscon *of_syscon_register(struct device_node *np) list_add_tail(&syscon->list, &syscon_list); - syscon->regmap = regmap_init(NULL, - &syscon_regmap_bus, - syscon, - &syscon_regmap_config); + syscon->regmap = of_regmap_init_mmio_clk(np, NULL, syscon->base, + &syscon_regmap_config); return syscon; err_map: |