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Date:   Thu, 04 Nov 2021 10:49:58 +0000
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>
From:   Yassine Oudjana <y.oudjana@protonmail.com>
Cc:     Yassine Oudjana <y.oudjana@protonmail.com>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        phone-devel@vger.kernel.org, linux-kernel@vger.kernel.org,
        ~postmarketos/upstreaming@lists.sr.ht
Reply-To: Yassine Oudjana <y.oudjana@protonmail.com>
Subject: [PATCH] arm64: dts: qcom: msm8996-xiaomi-scorpio: Add touchkey controller
Message-ID: <20211104104932.104046-1-y.oudjana@protonmail.com>
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Precedence: bulk

Add a node and pin states for Cypress StreetFighter touchkey
controller.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
---
 .../boot/dts/qcom/msm8996-xiaomi-scorpio.dts  | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-scorpio.dts b/arch/arm=
64/boot/dts/qcom/msm8996-xiaomi-scorpio.dts
index e5b8402b1ed6..27a45ddbb5bd 100644
--- a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-scorpio.dts
+++ b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-scorpio.dts
@@ -60,6 +60,20 @@ &adsp_pil {
 };
=20
 &blsp2_i2c6 {
+=09touchkey: touchkey@28 {
+=09=09compatible =3D "cypress,sf3155";
+=09=09reg =3D <0x28>;
+=09=09interrupt-parent =3D <&tlmm>;
+=09=09interrupts =3D <77 IRQ_TYPE_EDGE_FALLING>;
+=09=09avdd-supply =3D <&vreg_l6a_1p8>;
+=09=09vdd-supply =3D <&vdd_3v2_tp>;
+=09=09linux,keycodes =3D <KEY_BACK KEY_MENU>;
+
+=09=09pinctrl-names =3D "default", "sleep";
+=09=09pinctrl-0 =3D <&touchkey_default>;
+=09=09pinctrl-1 =3D <&touchkey_sleep>;
+=09};
+
 =09touchscreen: atmel-mxt-ts@4a {
 =09=09compatible =3D "atmel,maxtouch";
 =09=09reg =3D <0x4a>;
@@ -416,6 +430,20 @@ &tlmm {
 =09=09"RFFE1_DATA",=09=09/* GPIO_148 */
 =09=09"RFFE1_CLK";=09=09/* GPIO_149 */
=20
+=09touchkey_default: touchkey_default {
+=09=09pins =3D "gpio77";
+=09=09function =3D "gpio";
+=09=09drive-strength =3D <16>;
+=09=09bias-pull-up;
+=09};
+
+=09touchkey_sleep: touchkey_sleep {
+=09=09pins =3D "gpio77";
+=09=09function =3D "gpio";
+=09=09drive-strength =3D <2>;
+=09=09bias-disable;
+=09};
+
 =09touchscreen_default: touchscreen_default {
 =09=09pins =3D "gpio75", "gpio125";
 =09=09function =3D "gpio";
--=20
2.33.1