From ec648fc0a00378359dbf719371ed36657d6ccf4a Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Sun, 24 Apr 2022 20:42:09 -0700 Subject: [PATCH] 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 Acked-by: Jernej Skrabec Link: https://lore.kernel.org/r/20220414002349.24332-3-samuel@sholland.org Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/sun4i-lradc-keys.c | 8 ++++++++ 1 file changed, 8 insertions(+) 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);