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Most device vendors put "Volume Down" button onto PMIC RESIN.
But Sony is special: see
dts/upstream/src/arm64/qcom/sdm630-sony-xperia-nile.dtsi or [1].
They put "Volume Down" on PMIC GPIO 7 where others usually put
"Volume Up", and KEY_VOLUMEUP is inside &pon_resin.
Currently if you boot U-Boot on such Sony device, you end up
with 2 "Volume Down" buttons, and no "Volume Up", which makes
navigating menu problematic.
Support reading devicetree "linux,code" property and override
statically defined button code & label based on that.
[1] https://elixir.bootlin.com/linux/v6.15-rc3/source/arch/
arm64/boot/dts/qcom/sdm630-sony-xperia-nile.dtsi#L263
Signed-off-by: Alexey Minnekhanov <alexeymin@postmarketos.org>
Signed-off-by: Alexey Minnekhanov <alexeymin@minlexx.ru>
Reviewed-by: Casey Connolly <casey.connolly@linaro.org>
Link: https://lore.kernel.org/r/20250424014811.3809818-1-alexeymin@minlexx.ru
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>
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Boards using gpio-keys for volume buttons label them "Volume Down",
let's match that here, and make the power button nicer too.
This simplifies configuring button_cmds in a board-agnostic way.
Tested-by: Danila Tikhonov <danila@jiaxyga.com> # google-sunfish
Tested-by: Jens Reidel <adrian@mainlining.org> # xiaomi-davinci
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250331-qcom-phones-v4-5-f52e57d3b8c6@linaro.org
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
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This helps with reliability on some platforms. We should probably also
configure the hardware debounce timer eventually.
Link: https://lore.kernel.org/r/20241113045109.1838241-1-caleb.connolly@linaro.org
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
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Finally add the entries for the qcom,pmk8350-pwrkey and qcom,pmk8350-resin
found on PMICs used with SM8350 and later SoCs.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
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Move node name checks to a proper data struct with all information
for the supported subnodes.
Replace the key offset defines with the Linux driver ones.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
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This message isn't an error (there can be a watchdog subnode for example)
but it shouldn't be printed unless this driver is being debugged. Demote
it to a debug print.
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
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The pmic_reg_read() function can return errors. Add a check for that.
Fixes: 4e8aa0065d4b ("button: qcom-pmic: introduce Qualcomm PMIC button driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
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Qualcomm PMICs include a "pon" function which handles two buttons, the
power button and "resin" button (usually volume down). Introduce a new
driver following upstream Linux DT to enable these and map them to Enter
and Down respectively to enable use in boot menus.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
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