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boards: renesas: ek_ra2a1: add support for ctsu on Renesas RA

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Enable support for CTSU button on ek_ra2a1 board

Signed-off-by: The Nguyen <the.nguyen.yf@renesas.com>
This commit is contained in:
The Nguyen 2025-06-25 12:44:17 +07:00 committed by Fabio Baltieri
parent de1207bac3
commit 7720a6a47f
3 changed files with 58 additions and 0 deletions
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9
boards/renesas/ek_ra2a1/Kconfig.defconfig Normal file
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@ -0,0 +1,9 @@
# Copyright (c) 2025 Renesas Electronics Corporation
# SPDX-License-Identifier: Apache-2.0
if !INPUT_RENESAS_RA_QE_TOUCH_CFG
config INPUT_RENESAS_RA_CTSU_NUM_SELF_ELEMENTS
default 1
endif # INPUT_RENESAS_RA_QE_TOUCH_CFG

8
boards/renesas/ek_ra2a1/ek_ra2a1-pinctrl.dtsi
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@ -51,4 +51,12 @@
renesas,analog-enable;
};
};
ctsu_default: ctsu_default {
group1 {
/* TS01 TSCAP */
psels = <RA_PSEL(RA_PSEL_CTSU, 0, 1)>,
<RA_PSEL(RA_PSEL_CTSU, 4, 9)>;
};
};
};

41
boards/renesas/ek_ra2a1/ek_ra2a1.dts
View File

@ -83,6 +83,10 @@
status = "okay";
};
&ioport4 {
status = "okay";
};
&port_irq6 {
interrupts = <29 3>;
status = "okay";
@ -120,3 +124,40 @@
&wdt {
status = "okay";
};
&ctsu {
pinctrl-0 = <&ctsu_default>;
pinctrl-names = "default";
interrupts = <10 3>, <11 3>, <12 3>;
interrupt-names = "ctsuwr", "ctsurd", "ctsufn";
clock-div = <1>;
pwr-supply-sel = "vcc";
atune1 = "normal";
measure-mode = "self-multi-scan";
tscap-gpios = <&ioport4 9 0>;
status = "okay";
group1 {
ctsuchac = <0x00>, <0x80>, <0x00>, <0x00>, <0x00>;
ctsuchtrc = <0x00>, <0x00>, <0x00>, <0x00>, <0x00>;
rx-count = <1>;
tx-count = <0>;
ssdiv = "1.00";
so = <0x108>;
snum = <0x01>;
sdpa = <0x0B>;
on-freq = <3>;
off-freq = <3>;
drift-freq = <255>;
cancel-freq = <0>;
num-moving-avg = <4>;
ts1: button1 {
compatible = "renesas,ra-ctsu-button";
event-code = <INPUT_KEY_1>;
elements = <0>;
threshold = <2305>;
hysteresis = <115>;
};
};
};