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| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:43:26 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:34 -0700 |
| commit | 52db39a22b0544446e630c853292bfa255a21e24 (patch) | |
| tree | cc1360edc2d0167bd3262493f01976e7365d9850 /drivers/pinctrl/pinctrl-uclass.c | |
| parent | 0379597e55c17519be36fdf357d4463279da5aca (diff) | |
| download | u-boot-imx-52db39a22b0544446e630c853292bfa255a21e24.zip u-boot-imx-52db39a22b0544446e630c853292bfa255a21e24.tar.gz u-boot-imx-52db39a22b0544446e630c853292bfa255a21e24.tar.bz2 | |
dm: pinctrl: Add a function to parse PIN_CONFIG flags
Add a function which produces a flags word from a few common PIN_CONFIG
settings. This is useful for simple pinctrl drivers that don't need to worry
about drive strength, etc.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-uclass.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-uclass.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c index c42b312..1acbfaf 100644 --- a/drivers/pinctrl/pinctrl-uclass.c +++ b/drivers/pinctrl/pinctrl-uclass.c @@ -15,6 +15,18 @@ DECLARE_GLOBAL_DATA_PTR; +int pinctrl_decode_pin_config(const void *blob, int node) +{ + int flags = 0; + + if (fdtdec_get_bool(blob, node, "bias-pull-up")) + flags |= 1 << PIN_CONFIG_BIAS_PULL_UP; + else if (fdtdec_get_bool(blob, node, "bias-pull-down")) + flags |= 1 << PIN_CONFIG_BIAS_PULL_DOWN; + + return flags; +} + #if CONFIG_IS_ENABLED(PINCTRL_FULL) /** * pinctrl_config_one() - apply pinctrl settings for a single node |