diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-08-21 14:14:01 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-09-15 10:37:20 +0300 |
| commit | a4eb6afa7c2c3795ec693cd806fd69593c9ecca7 (patch) | |
| tree | c1a9201dba2a77f045a578bc749f6d452b7cfd95 /drivers/pinctrl | |
| parent | d89a08f52b0dd30d8e13c91886788cd42333dba7 (diff) | |
| download | linux-a4eb6afa7c2c3795ec693cd806fd69593c9ecca7.tar.xz | |
pinctrl: rza1: Switch to using "output-enable"
For pins requiring software driven IO output operations, the RZ/A1 Pin
Controller uses either the "output-high" or "output-low" DT property to
enable the corresponding output buffer. The actual line value doesn't
matter, as it is ignored.
Commit 425562429d4f3b13 ("pinctrl: generic: Add output-enable property")
introduced a new DT property for this specific use case.
Update the RZ/A1 Pin Controller DT bindings and driver to use this new
property instead. Preserve backwards compatibility with old DTBs in the
driver, as this comes at a very small cost.
Notes:
- The DT binding examples already used the new property,
- There are no upstream users of the old properties.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Chris Brandt <chris.brandt@renesas.com>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200821111401.4021-1-geert+renesas@glider.be
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/pinctrl-rza1.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pinctrl/sh-pfc/pinctrl-rza1.c b/drivers/pinctrl/sh-pfc/pinctrl-rza1.c index a0cb586a46b7..15dd007700c2 100644 --- a/drivers/pinctrl/sh-pfc/pinctrl-rza1.c +++ b/drivers/pinctrl/sh-pfc/pinctrl-rza1.c @@ -928,7 +928,8 @@ static int rza1_parse_pinmux_node(struct rza1_pinctrl *rza1_pctl, case PIN_CONFIG_INPUT_ENABLE: pinmux_flags |= MUX_FLAGS_SWIO_INPUT; break; - case PIN_CONFIG_OUTPUT: + case PIN_CONFIG_OUTPUT: /* for DT backwards compatibility */ + case PIN_CONFIG_OUTPUT_ENABLE: pinmux_flags |= MUX_FLAGS_SWIO_OUTPUT; default: break; |