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[178.169.161.196]) by smtp.gmail.com with ESMTPSA id m18sm15867228wrx.58.2020.09.20.07.50.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 20 Sep 2020 07:50:07 -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 5/7] ARM: dts: qcom: msm8974-klte: Add gpio expander chip Date: Sun, 20 Sep 2020 17:48:57 +0300 Message-Id: <20200920144859.813032-6-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 The Samsung Galaxy S5 has a GPIO Expander chip, the PCAL6416A with 16 ports on a i2c bus. These pins are used for WiFi, NFC, IR among other things. Signed-off-by: Iskren Chernev --- .../boot/dts/qcom-msm8974-samsung-klte.dts | 29 +++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts index 7b398da9b75ed..29099b83b231d 100644 --- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts +++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts @@ -236,10 +236,25 @@ i2c-gpio-led { scl-gpios = <&msmgpio 121 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; sda-gpios = <&msmgpio 120 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; pinctrl-names = "default"; - pinctrl-0 = <&i2c_led_pins>; + pinctrl-0 = <&i2c_led_gpioex_pins>; i2c-gpio,delay-us = <2>; + gpio_expander: gpio@20 { + compatible = "nxp,pcal6416"; + reg = <0x20>; + + gpio-controller; + #gpio-cells = <2>; + + vcc-supply = <&pma8084_s4>; + + pinctrl-names = "default"; + pinctrl-0 = <&gpioex_pin>; + + reset-gpios = <&msmgpio 145 GPIO_ACTIVE_LOW>; + }; + led-controller@30 { compatible = "panasonic,an30259a"; reg = <0x30>; @@ -352,7 +367,7 @@ mux { }; }; - i2c_led_pins: i2c-led { + i2c_led_gpioex_pins: i2c-led-gpioex { mux { pins = "gpio120", "gpio121"; function = "gpio"; @@ -360,6 +375,16 @@ mux { bias-pull-down; }; }; + + gpioex_pin: gpioex { + res { + pins = "gpio145"; + function = "gpio"; + + bias-pull-up; + drive-strength = <2>; + }; + }; }; sdhci@f9824900 {