1*b2d2a78aSEmmanuel Vadot# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2*b2d2a78aSEmmanuel Vadot%YAML 1.2 3*b2d2a78aSEmmanuel Vadot--- 4*b2d2a78aSEmmanuel Vadot$id: http://devicetree.org/schemas/gpio/nxp,lpc3220-gpio.yaml# 5*b2d2a78aSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6*b2d2a78aSEmmanuel Vadot 7*b2d2a78aSEmmanuel Vadottitle: NXP LPC3220 SoC GPIO controller 8*b2d2a78aSEmmanuel Vadot 9*b2d2a78aSEmmanuel Vadotmaintainers: 10*b2d2a78aSEmmanuel Vadot - Animesh Agarwal <animeshagarwal28@gmail.com> 11*b2d2a78aSEmmanuel Vadot 12*b2d2a78aSEmmanuel Vadotproperties: 13*b2d2a78aSEmmanuel Vadot compatible: 14*b2d2a78aSEmmanuel Vadot const: nxp,lpc3220-gpio 15*b2d2a78aSEmmanuel Vadot 16*b2d2a78aSEmmanuel Vadot reg: 17*b2d2a78aSEmmanuel Vadot maxItems: 1 18*b2d2a78aSEmmanuel Vadot 19*b2d2a78aSEmmanuel Vadot gpio-controller: true 20*b2d2a78aSEmmanuel Vadot 21*b2d2a78aSEmmanuel Vadot '#gpio-cells': 22*b2d2a78aSEmmanuel Vadot const: 3 23*b2d2a78aSEmmanuel Vadot description: | 24*b2d2a78aSEmmanuel Vadot 1) bank: 25*b2d2a78aSEmmanuel Vadot 0: GPIO P0 26*b2d2a78aSEmmanuel Vadot 1: GPIO P1 27*b2d2a78aSEmmanuel Vadot 2: GPIO P2 28*b2d2a78aSEmmanuel Vadot 3: GPIO P3 29*b2d2a78aSEmmanuel Vadot 4: GPI P3 30*b2d2a78aSEmmanuel Vadot 5: GPO P3 31*b2d2a78aSEmmanuel Vadot 2) pin number 32*b2d2a78aSEmmanuel Vadot 3) flags: 33*b2d2a78aSEmmanuel Vadot - bit 0 specifies polarity (0 for normal, 1 for inverted) 34*b2d2a78aSEmmanuel Vadot 35*b2d2a78aSEmmanuel Vadotrequired: 36*b2d2a78aSEmmanuel Vadot - compatible 37*b2d2a78aSEmmanuel Vadot - reg 38*b2d2a78aSEmmanuel Vadot - gpio-controller 39*b2d2a78aSEmmanuel Vadot - '#gpio-cells' 40*b2d2a78aSEmmanuel Vadot 41*b2d2a78aSEmmanuel VadotadditionalProperties: false 42*b2d2a78aSEmmanuel Vadot 43*b2d2a78aSEmmanuel Vadotexamples: 44*b2d2a78aSEmmanuel Vadot - | 45*b2d2a78aSEmmanuel Vadot gpio@40028000 { 46*b2d2a78aSEmmanuel Vadot compatible = "nxp,lpc3220-gpio"; 47*b2d2a78aSEmmanuel Vadot reg = <0x40028000 0x1000>; 48*b2d2a78aSEmmanuel Vadot gpio-controller; 49*b2d2a78aSEmmanuel Vadot #gpio-cells = <3>; /* bank, pin, flags */ 50*b2d2a78aSEmmanuel Vadot }; 51