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| author |   Samuel Holland <samuel@sholland.org> | 2022-04-24 20:42:09 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-05-05 10:23:49 -0700 |
| commit | ec648fc0a00378359dbf719371ed36657d6ccf4a (patch) | |
| tree | b27dfe2e4b09c8e382f4f4a200e0e4e8ca8481a7 /drivers/input | |
| parent | Input: sun4i-lradc-keys - add optional clock/reset support (diff) | |
| download | linux-dev-ec648fc0a00378359dbf719371ed36657d6ccf4a.tar.xz linux-dev-ec648fc0a00378359dbf719371ed36657d6ccf4a.zip | |
Input: sun4i-lradc-keys - add support for R329 and D1
This LRADC variant uses the same 3/4*AVCC reference voltage as the A83T
variant. The R329 and D1 LRADCs appear to be identical, so D1 support is
accomplished through having the R329 LRADC as a fallback compatible.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220414002349.24332-3-samuel@sholland.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/keyboard/sun4i-lradc-keys.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/input/keyboard/sun4i-lradc-keys.c b/drivers/input/keyboard/sun4i-lradc-keys.c index e52505667df3..15c15c0958b0 100644 --- a/drivers/input/keyboard/sun4i-lradc-keys.c +++ b/drivers/input/keyboard/sun4i-lradc-keys.c @@ -80,6 +80,12 @@ static const struct lradc_variant r_lradc_variant_a83t = { .divisor_denominator = 4 }; +static const struct lradc_variant lradc_variant_r329 = { + .divisor_numerator = 3, + .divisor_denominator = 4, + .has_clock_reset = true, +}; + struct sun4i_lradc_keymap { u32 voltage; u32 keycode; @@ -337,6 +343,8 @@ static const struct of_device_id sun4i_lradc_of_match[] = { .data = &lradc_variant_a10 }, { .compatible = "allwinner,sun8i-a83t-r-lradc", .data = &r_lradc_variant_a83t }, + { .compatible = "allwinner,sun50i-r329-lradc", + .data = &lradc_variant_r329 }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, sun4i_lradc_of_match); |