diff options
author | Johnny Huang <johnny_huang@aspeedtech.com> | 2019-12-02 09:14:31 +0300 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2019-12-13 11:40:37 +0300 |
commit | 5f52c853847ffdc9654e5b685e1a1ae5bee83e65 (patch) | |
tree | 39f05f901bf1f17777376e1f9c8648621cfa44bb /drivers | |
parent | 5b854f2842458d2bbb2a49c20d958c9f6f610465 (diff) | |
download | linux-5f52c853847ffdc9654e5b685e1a1ae5bee83e65.tar.xz |
pinctrl: aspeed: Use masks to describe pinconf bitfields
Since some of the AST2600 pinconf setting are not just single bit, modified
aspeed_pin_config @bit to @mask and add @mask to aspeed_pin_config_map to
support configuring multiple bits.
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
[AJ: Tweak commit message]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202061432.3996-7-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c | 10 | ||||
-rw-r--r-- | drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c | 10 | ||||
-rw-r--r-- | drivers/pinctrl/aspeed/pinctrl-aspeed.c | 12 | ||||
-rw-r--r-- | drivers/pinctrl/aspeed/pinctrl-aspeed.h | 7 |
4 files changed, 20 insertions, 19 deletions
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c index 62b8aa53b627..bfed0e274643 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c @@ -2595,11 +2595,11 @@ static int aspeed_g4_sig_expr_set(struct aspeed_pinmux_data *ctx, } static const struct aspeed_pin_config_map aspeed_g4_pin_config_map[] = { - { PIN_CONFIG_BIAS_PULL_DOWN, 0, 1}, - { PIN_CONFIG_BIAS_PULL_DOWN, -1, 0}, - { PIN_CONFIG_BIAS_DISABLE, -1, 1}, - { PIN_CONFIG_DRIVE_STRENGTH, 8, 0}, - { PIN_CONFIG_DRIVE_STRENGTH, 16, 1}, + { PIN_CONFIG_BIAS_PULL_DOWN, 0, 1, BIT_MASK(0)}, + { PIN_CONFIG_BIAS_PULL_DOWN, -1, 0, BIT_MASK(0)}, + { PIN_CONFIG_BIAS_DISABLE, -1, 1, BIT_MASK(0)}, + { PIN_CONFIG_DRIVE_STRENGTH, 8, 0, BIT_MASK(0)}, + { PIN_CONFIG_DRIVE_STRENGTH, 16, 1, BIT_MASK(0)}, }; static const struct aspeed_pinmux_ops aspeed_g4_ops = { diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c index 2acbcf3d508a..0cab4c2576e2 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c @@ -2781,11 +2781,11 @@ static int aspeed_g5_sig_expr_set(struct aspeed_pinmux_data *ctx, } static const struct aspeed_pin_config_map aspeed_g5_pin_config_map[] = { - { PIN_CONFIG_BIAS_PULL_DOWN, 0, 1}, - { PIN_CONFIG_BIAS_PULL_DOWN, -1, 0}, - { PIN_CONFIG_BIAS_DISABLE, -1, 1}, - { PIN_CONFIG_DRIVE_STRENGTH, 8, 0}, - { PIN_CONFIG_DRIVE_STRENGTH, 16, 1}, + { PIN_CONFIG_BIAS_PULL_DOWN, 0, 1, BIT_MASK(0)}, + { PIN_CONFIG_BIAS_PULL_DOWN, -1, 0, BIT_MASK(0)}, + { PIN_CONFIG_BIAS_DISABLE, -1, 1, BIT_MASK(0)}, + { PIN_CONFIG_DRIVE_STRENGTH, 8, 0, BIT_MASK(0)}, + { PIN_CONFIG_DRIVE_STRENGTH, 16, 1, BIT_MASK(0)}, }; static const struct aspeed_pinmux_ops aspeed_g5_ops = { diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c index fc68aca7b36c..b625a657171e 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c @@ -464,7 +464,7 @@ int aspeed_pin_config_get(struct pinctrl_dev *pctldev, unsigned int offset, return rc; pmap = find_pinconf_map(pdata, param, MAP_TYPE_VAL, - (val & BIT(pconf->bit)) >> pconf->bit); + (val & pconf->mask) >> __ffs(pconf->mask)); if (!pmap) return -EINVAL; @@ -512,17 +512,17 @@ int aspeed_pin_config_set(struct pinctrl_dev *pctldev, unsigned int offset, if (WARN_ON(!pmap)) return -EINVAL; - val = pmap->val << pconf->bit; + val = pmap->val << __ffs(pconf->mask); rc = regmap_update_bits(pdata->scu, pconf->reg, - BIT(pconf->bit), val); + pmap->mask, val); if (rc < 0) return rc; - pr_debug("%s: Set SCU%02X[%d]=%d for param %d(=%d) on pin %d\n", - __func__, pconf->reg, pconf->bit, pmap->val, - param, arg, offset); + pr_debug("%s: Set SCU%02X[%lu]=%d for param %d(=%d) on pin %d\n", + __func__, pconf->reg, __ffs(pconf->mask), + pmap->val, param, arg, offset); } return 0; diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.h b/drivers/pinctrl/aspeed/pinctrl-aspeed.h index 27d3929b6aca..6f0f03395617 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed.h +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.h @@ -24,8 +24,7 @@ struct aspeed_pin_config { enum pin_config_param param; unsigned int pins[2]; unsigned int reg; - u8 bit; - u8 value; + u32 mask; }; #define ASPEED_PINCTRL_PIN(name_) \ @@ -39,7 +38,7 @@ struct aspeed_pin_config { .param = param_, \ .pins = {pin0_, pin1_}, \ .reg = reg_, \ - .bit = bit_ \ + .mask = BIT_MASK(bit_) \ } /* @@ -48,6 +47,7 @@ struct aspeed_pin_config { * @param: pinconf configuration parameter * @arg: The supported argument for @param, or -1 if any value is supported * @val: The register value to write to configure @arg for @param + * @mask: The bitfield mask for @val * * The map is to be used in conjunction with the configuration array supplied * by the driver implementation. @@ -56,6 +56,7 @@ struct aspeed_pin_config_map { enum pin_config_param param; s32 arg; u32 val; + u32 mask; }; struct aspeed_pinctrl_data { |