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/linux/drivers/input/keyboard/
H A Dmpr121_touchkey.c3 * Touchkey driver for Freescale MPR121 Controllor
54 /* MPR121 has 12 keys */
87 struct mpr121_touchkey *mpr121 = input_get_drvdata(dev); in mpr_touchkey_report() local
88 struct input_dev *input = mpr121->input_dev; in mpr_touchkey_report()
89 struct i2c_client *client = mpr121->client; in mpr_touchkey_report()
109 bit_changed = reg ^ mpr121->statusbits; in mpr_touchkey_report()
110 mpr121->statusbits = reg; in mpr_touchkey_report()
111 for_each_set_bit(key_num, &bit_changed, mpr121->keycount) { in mpr_touchkey_report()
115 key_val = mpr121->keycodes[key_num]; in mpr_touchkey_report()
129 struct mpr121_touchkey *mpr121 = dev_id; in mpr_touchkey_interrupt() local
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/linux/Documentation/devicetree/bindings/input/
H A Dfsl,mpr121-touchkey.yaml4 $id: http://devicetree.org/schemas/input/fsl,mpr121-touchkey.yaml#
7 title: Freescale MPR121 capacitive touch sensor controller
13 The MPR121 supports up to 12 completely independent electrodes/capacitance
15 https://www.nxp.com/docs/en/data-sheet/MPR121.pdf
26 const: fsl,mpr121-touchkey
61 compatible = "fsl,mpr121-touchkey";
81 compatible = "fsl,mpr121-touchkey";
/linux/Documentation/devicetree/bindings/
H A Dtrivial-devices.yaml124 # MPR121: Proximity Capacitive Touch Sensor Controller
125 - fsl,mpr121
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6dl-yapp4-common.dtsi373 compatible = "fsl,mpr121-touchkey";
H A Dimx6dl-yapp43-common.dtsi377 compatible = "fsl,mpr121-touchkey";