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Input: sun4i-lradc-keys - add support for R329 and D1

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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>
This commit is contained in:
Samuel Holland 2022-04-24 20:42:09 -07:00 committed by Dmitry Torokhov
parent ac2d5b43ea
commit ec648fc0a0
1 changed files with 8 additions and 0 deletions
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8
drivers/input/keyboard/sun4i-lradc-keys.c
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@ -80,6 +80,12 @@ static const struct lradc_variant r_lradc_variant_a83t = {
.divisor_denominator = 4 .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 { struct sun4i_lradc_keymap {
u32 voltage; u32 voltage;
u32 keycode; u32 keycode;
@ -337,6 +343,8 @@ static const struct of_device_id sun4i_lradc_of_match[] = {
.data = &lradc_variant_a10 }, .data = &lradc_variant_a10 },
{ .compatible = "allwinner,sun8i-a83t-r-lradc", { .compatible = "allwinner,sun8i-a83t-r-lradc",
.data = &r_lradc_variant_a83t }, .data = &r_lradc_variant_a83t },
{ .compatible = "allwinner,sun50i-r329-lradc",
.data = &lradc_variant_r329 },
{ /* sentinel */ } { /* sentinel */ }
}; };
MODULE_DEVICE_TABLE(of, sun4i_lradc_of_match); MODULE_DEVICE_TABLE(of, sun4i_lradc_of_match);