From: Linus Walleij <linus.walleij@linaro.org> To: linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Andy Gross <andy.gross@linaro.org> Cc: Stephen Boyd <sboyd@codeaurora.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, David Brown <david.brown@linaro.org>, Linus Walleij <linus.walleij@linaro.org> Subject: [PATCH v3] ARM: dts: Add gyro and accel to APQ8060 Dragonboard Date: Wed, 26 Oct 2016 11:23:14 +0200 [thread overview] Message-ID: <1477473794-26030-1-git-send-email-linus.walleij@linaro.org> (raw) This adds the MPU-3050 gyroscope and the KXSD9 accelerometer to the Qualcomm APQ8060 Dragonboard. The KXSD9 is mounted beyond the MPU-3050 and appear as a subdevice beyond it. We set up the required GPIO and interrupt lines to make the devices work. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- ChangeLog v2->v3: - Should be fine to apply now: all bindings and requirements are merged. ChangeLog v1->v2: - Use the new I2C mux gate bindings from Peter Rosin (merged to the I2C subsystem) --- arch/arm/boot/dts/qcom-apq8060-dragonboard.dts | 53 ++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts index 6c0038398ef2..1d76b7415f08 100644 --- a/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts +++ b/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts @@ -167,6 +167,14 @@ bias-pull-up; }; }; + + /* Interrupt line for the KXSD9 accelerometer */ + dragon_kxsd9_gpios: kxsd9 { + irq { + pins = "gpio57"; /* IRQ line */ + bias-pull-up; + }; + }; }; qcom,ssbi@500000 { @@ -210,6 +218,15 @@ power-source = <PM8058_GPIO_S3>; }; }; + dragon_mpu3050_gpios: mpu3050-gpios { + pinconf { + pins = "gpio17"; + function = "normal"; + input-enable; + bias-disable; + power-source = <PM8058_GPIO_S3>; + }; + }; dragon_sdcc3_gpios: sdcc3-gpios { pinconf { pins = "gpio22"; @@ -319,6 +336,42 @@ vddd-supply = <&pm8058_lvs0>; // 1.8V vdda-supply = <&pm8058_l14>; // 2.85V }; + mpu3050@68 { + compatible = "invensense,mpu3050"; + reg = <0x68>; + /* + * GPIO17 has interrupt 208 on the + * PM8058, it is pulled high by a 10k + * resistor to VLOGIC so needs to be + * active low/falling edge. + */ + interrupt-parent = <&pm8058_gpio>; + interrupts = <208 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&dragon_mpu3050_gpios>; + vlogic-supply = <&pm8058_lvs0>; // 1.8V + vdd-supply = <&pm8058_l14>; // 2.85V + + /* + * The MPU-3050 acts as a hub for the + * accelerometer. + */ + i2c-gate { + #address-cells = <1>; + #size-cells = <0>; + + kxsd9@18 { + compatible = "kionix,kxsd9"; + reg = <0x18>; + interrupt-parent = <&tlmm>; + interrupts = <57 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&dragon_kxsd9_gpios>; + iovdd-supply = <&pm8058_lvs0>; // 1.8V + vdd-supply = <&pm8058_l14>; // 2.85V + }; + }; + }; }; }; -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: linus.walleij@linaro.org (Linus Walleij) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3] ARM: dts: Add gyro and accel to APQ8060 Dragonboard Date: Wed, 26 Oct 2016 11:23:14 +0200 [thread overview] Message-ID: <1477473794-26030-1-git-send-email-linus.walleij@linaro.org> (raw) This adds the MPU-3050 gyroscope and the KXSD9 accelerometer to the Qualcomm APQ8060 Dragonboard. The KXSD9 is mounted beyond the MPU-3050 and appear as a subdevice beyond it. We set up the required GPIO and interrupt lines to make the devices work. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- ChangeLog v2->v3: - Should be fine to apply now: all bindings and requirements are merged. ChangeLog v1->v2: - Use the new I2C mux gate bindings from Peter Rosin (merged to the I2C subsystem) --- arch/arm/boot/dts/qcom-apq8060-dragonboard.dts | 53 ++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts index 6c0038398ef2..1d76b7415f08 100644 --- a/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts +++ b/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts @@ -167,6 +167,14 @@ bias-pull-up; }; }; + + /* Interrupt line for the KXSD9 accelerometer */ + dragon_kxsd9_gpios: kxsd9 { + irq { + pins = "gpio57"; /* IRQ line */ + bias-pull-up; + }; + }; }; qcom,ssbi at 500000 { @@ -210,6 +218,15 @@ power-source = <PM8058_GPIO_S3>; }; }; + dragon_mpu3050_gpios: mpu3050-gpios { + pinconf { + pins = "gpio17"; + function = "normal"; + input-enable; + bias-disable; + power-source = <PM8058_GPIO_S3>; + }; + }; dragon_sdcc3_gpios: sdcc3-gpios { pinconf { pins = "gpio22"; @@ -319,6 +336,42 @@ vddd-supply = <&pm8058_lvs0>; // 1.8V vdda-supply = <&pm8058_l14>; // 2.85V }; + mpu3050 at 68 { + compatible = "invensense,mpu3050"; + reg = <0x68>; + /* + * GPIO17 has interrupt 208 on the + * PM8058, it is pulled high by a 10k + * resistor to VLOGIC so needs to be + * active low/falling edge. + */ + interrupt-parent = <&pm8058_gpio>; + interrupts = <208 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&dragon_mpu3050_gpios>; + vlogic-supply = <&pm8058_lvs0>; // 1.8V + vdd-supply = <&pm8058_l14>; // 2.85V + + /* + * The MPU-3050 acts as a hub for the + * accelerometer. + */ + i2c-gate { + #address-cells = <1>; + #size-cells = <0>; + + kxsd9 at 18 { + compatible = "kionix,kxsd9"; + reg = <0x18>; + interrupt-parent = <&tlmm>; + interrupts = <57 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&dragon_kxsd9_gpios>; + iovdd-supply = <&pm8058_lvs0>; // 1.8V + vdd-supply = <&pm8058_l14>; // 2.85V + }; + }; + }; }; }; -- 2.7.4
next reply other threads:[~2016-10-26 9:23 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-10-26 9:23 Linus Walleij [this message] 2016-10-26 9:23 ` [PATCH v3] ARM: dts: Add gyro and accel to APQ8060 Dragonboard Linus Walleij 2016-10-31 22:20 ` Bjorn Andersson 2016-10-31 22:20 ` Bjorn Andersson 2016-11-01 11:31 ` Linus Walleij 2016-11-01 11:31 ` Linus Walleij 2016-11-01 23:17 ` Bjorn Andersson 2016-11-01 23:17 ` Bjorn Andersson 2016-11-03 8:46 ` Linus Walleij 2016-11-03 8:46 ` Linus Walleij
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