Bindings/pinctrl/qcom,ipq5018-tlmm.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pinctrl/qcom,ipq5018-tlmm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm IPQ5018 TLMM pin controller
   8
   9 maintainers:
  10   - Bjorn Andersson <andersson@kernel.org>
  11   - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
  12
  13 description:
  14   Top Level Mode Multiplexer pin controller in Qualcomm IPQ5018 SoC.
  15
  16 properties:
  17   compatible:
  18     const: qcom,ipq5018-tlmm
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   interrupt-controller: true
  27   "#interrupt-cells": true
  28   gpio-controller: true
  29   "#gpio-cells": true
  30   gpio-ranges: true
  31   wakeup-parent: true
  32
  33   gpio-reserved-ranges:
  34     minItems: 1
  35     maxItems: 24
  36
  37   gpio-line-names:
  38     maxItems: 47
  39
  40 patternProperties:
  41   "-state$":
  42     oneOf:
  43       - $ref: "#/$defs/qcom-ipq5018-tlmm-state"
  44       - patternProperties:
  45           "-pins$":
  46             $ref: "#/$defs/qcom-ipq5018-tlmm-state"
  47         additionalProperties: false
  48
  49 $defs:
  50   qcom-ipq5018-tlmm-state:
  51     type: object
  52     description:
  53       Pinctrl node's client devices use subnodes for desired pin configuration.
  54       Client device subnodes use below standard properties.
  55     $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
  56     unevaluatedProperties: false
  57
  58     properties:
  59       pins:
  60         description:
  61           List of gpio pins affected by the properties specified in this
  62           subnode.
  63         items:
  64           pattern: "^gpio([0-9]|[1-3][0-9]|4[0-6])$"
  65         minItems: 1
  66         maxItems: 8
  67
  68       function:
  69         description:
  70           Specify the alternative function to be configured for the specified
  71           pins.
  72
  73         enum: [ atest_char, audio_pdm0, audio_pdm1, audio_rxbclk, audio_rxd,
  74                 audio_rxfsync, audio_rxmclk, audio_txbclk, audio_txd,
  75                 audio_txfsync, audio_txmclk, blsp0_i2c, blsp0_spi, blsp0_uart0,
  76                 blsp0_uart1, blsp1_i2c0, blsp1_i2c1, blsp1_spi0, blsp1_spi1,
  77                 blsp1_uart0, blsp1_uart1, blsp1_uart2, blsp2_i2c0, blsp2_i2c1,
  78                 blsp2_spi, blsp2_spi0, blsp2_spi1, btss, burn0, burn1, cri_trng,
  79                 cri_trng0, cri_trng1, cxc_clk, cxc_data, dbg_out, eud_gpio,
  80                 gcc_plltest, gcc_tlmm, gpio, led0, led2, mac0, mac1, mdc, mdio,
  81                 pcie0_clk, pcie0_wake, pcie1_clk, pcie1_wake, pll_test,
  82                 prng_rosc, pwm0, pwm1, pwm2, pwm3, qdss_cti_trig_in_a0,
  83                 qdss_cti_trig_in_a1, qdss_cti_trig_in_b0, qdss_cti_trig_in_b1,
  84                 qdss_cti_trig_out_a0, qdss_cti_trig_out_a1,
  85                 qdss_cti_trig_out_b0, qdss_cti_trig_out_b1, qdss_traceclk_a,
  86                 qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b,
  87                 qdss_tracedata_a, qdss_tracedata_b, qspi_clk, qspi_cs,
  88                 qspi_data, reset_out, sdc1_clk, sdc1_cmd, sdc1_data, wci_txd,
  89                 wci_rxd, wsa_swrm, wsi_clk3, wsi_data3, wsis_reset, xfem ]
  90
  91     required:
  92       - pins
  93
  94 required:
  95   - compatible
  96   - reg
  97
  98 additionalProperties: false
  99
 100 examples:
 101   - |
 102     #include <dt-bindings/interrupt-controller/arm-gic.h>
 103     tlmm: pinctrl@1000000 {
 104         compatible = "qcom,ipq5018-tlmm";
 105         reg = <0x01000000 0x300000>;
 106         gpio-controller;
 107         #gpio-cells = <2>;
 108         gpio-ranges = <&tlmm 0 0 47>;
 109         interrupt-controller;
 110         #interrupt-cells = <2>;
 111         interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
 112
 113         uart-w-state {
 114             rx-pins {
 115                 pins = "gpio33";
 116                 function = "blsp1_uart1";
 117                 bias-pull-down;
 118             };
 119
 120             tx-pins {
 121                 pins = "gpio34";
 122                 function = "blsp1_uart1";
 123                 bias-pull-down;
 124             };
 125         };
 126     };
 127 ...