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[178.169.161.196]) by smtp.gmail.com with ESMTPSA id c25sm14629877wml.31.2020.09.20.07.49.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 20 Sep 2020 07:49:53 -0700 (PDT) From: Iskren Chernev To: Rob Herring Cc: Andy Gross , Bjorn Andersson , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux-arm-msm@vger.kernel.org, Iskren Chernev Subject: [PATCH RESEND 2/7] ARM: dts: qcom: msm8974-klte: Add support for touchkey Date: Sun, 20 Sep 2020 17:48:54 +0300 Message-Id: <20200920144859.813032-3-iskren.chernev@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200920144859.813032-1-iskren.chernev@gmail.com> References: <20200920144859.813032-1-iskren.chernev@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add support for the touchkey found on the Samsung Galaxy S5. The touchkey is responsible for handling the application and back buttons found around the home button. Signed-off-by: Iskren Chernev --- .../boot/dts/qcom-msm8974-samsung-klte.dts | 44 ++++++++++++++++++- 1 file changed, 43 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts index 9520c6e7910ce..750e2f261139a 100644 --- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts +++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts @@ -145,7 +145,7 @@ pma8084_l18: l18 { }; pma8084_l19: l19 { - regulator-min-microvolt = <2900000>; + regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; @@ -203,6 +203,31 @@ pma8084_l27: l27 { }; }; + i2c-gpio-touchkey { + compatible = "i2c-gpio"; + #address-cells = <1>; + #size-cells = <0>; + sda-gpios = <&msmgpio 95 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&msmgpio 96 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c_touchkey_pins>; + + touchkey@20 { + compatible = "cypress,tm2-touchkey"; + reg = <0x20>; + + interrupt-parent = <&pma8084_gpios>; + interrupts = <6 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&touchkey_pin>; + + vcc-supply = <&max77826_ldo15>; + vdd-supply = <&pma8084_l19>; + + linux,keycodes = ; + }; + }; + /delete-node/ vreg-boost; }; @@ -268,6 +293,15 @@ mux { bias-disable; }; }; + + i2c_touchkey_pins: i2c-touchkey { + mux { + pins = "gpio95", "gpio96"; + function = "gpio"; + input-enable; + bias-pull-up; + }; + }; }; sdhci@f9824900 { @@ -418,6 +452,14 @@ gpio_keys_pin_a: gpio-keys-active { bias-pull-up; power-source = ; }; + + touchkey_pin: touchkey-int-pin { + pins = "gpio6"; + function = "normal"; + bias-disable; + input-enable; + power-source = ; + }; }; }; };