Documentation/devicetree/bindings/pinctrl/qcom,ipq8074-pinctrl.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,ipq8074-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm IPQ8074 TLMM pin controller
   8
   9 maintainers:
  10   - Bjorn Andersson <andersson@kernel.org>
  11   - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
  12
  13 description:
  14   Top Level Mode Multiplexer pin controller in Qualcomm IPQ8074 SoC.
  15
  16 properties:
  17   compatible:
  18     const: qcom,ipq8074-pinctrl
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   gpio-reserved-ranges:
  27     minItems: 1
  28     maxItems: 35
  29
  30   gpio-line-names:
  31     maxItems: 70
  32
  33 patternProperties:
  34   "-state$":
  35     oneOf:
  36       - $ref: "#/$defs/qcom-ipq8074-tlmm-state"
  37       - patternProperties:
  38           "-pins$":
  39             $ref: "#/$defs/qcom-ipq8074-tlmm-state"
  40         additionalProperties: false
  41
  42 $defs:
  43   qcom-ipq8074-tlmm-state:
  44     type: object
  45     description:
  46       Pinctrl node's client devices use subnodes for desired pin configuration.
  47       Client device subnodes use below standard properties.
  48     $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
  49     unevaluatedProperties: false
  50
  51     properties:
  52       pins:
  53         description:
  54           List of gpio pins affected by the properties specified in this
  55           subnode.
  56         items:
  57           pattern: "^gpio([0-9]|[1-6][0-9]|70)$"
  58         minItems: 1
  59         maxItems: 36
  60
  61       function:
  62         description:
  63           Specify the alternative function to be configured for the specified
  64           pins.
  65
  66         enum: [ gpio, atest_char, atest_char0, atest_char1, atest_char2,
  67                 atest_char3, audio_rxbclk, audio_rxd, audio_rxfsync,
  68                 audio_rxmclk, audio_txbclk, audio_txd, audio_txfsync,
  69                 audio_txmclk, blsp0_i2c, blsp0_spi, blsp0_uart, blsp1_i2c,
  70                 blsp1_spi, blsp1_uart, blsp2_i2c, blsp2_spi, blsp2_uart,
  71                 blsp3_i2c, blsp3_spi, blsp3_spi0, blsp3_spi1, blsp3_spi2,
  72                 blsp3_spi3, blsp3_uart, blsp4_i2c0, blsp4_i2c1, blsp4_spi0,
  73                 blsp4_spi1, blsp4_uart0, blsp4_uart1, blsp5_i2c, blsp5_spi,
  74                 blsp5_uart, burn0, burn1, cri_trng, cri_trng0, cri_trng1, cxc0,
  75                 cxc1, dbg_out, gcc_plltest, gcc_tlmm, ldo_en, ldo_update, led0,
  76                 led1, led2, mac0_sa0, mac0_sa1, mac1_sa0, mac1_sa1, mac1_sa2,
  77                 mac1_sa3, mac2_sa0, mac2_sa1, mdc, mdio, pcie0_clk, pcie0_rst,
  78                 pcie0_wake, pcie1_clk, pcie1_rst, pcie1_wake, pcm_drx, pcm_dtx,
  79                 pcm_fsync, pcm_pclk, pcm_zsi0, pcm_zsi1, prng_rosc, pta1_0,
  80                 pta1_1, pta1_2, pta2_0, pta2_1, pta2_2, pwm0, pwm1, pwm2, pwm3,
  81                 qdss_cti_trig_in_a0, qdss_cti_trig_in_a1, qdss_cti_trig_in_b0,
  82                 qdss_cti_trig_in_b1, qdss_cti_trig_out_a0,
  83                 qdss_cti_trig_out_a1, qdss_cti_trig_out_b0,
  84                 qdss_cti_trig_out_b1, qdss_traceclk_a, qdss_traceclk_b,
  85                 qdss_tracectl_a, qdss_tracectl_b, qdss_tracedata_a,
  86                 qdss_tracedata_b, qpic, rx0, rx1, rx2, sd_card, sd_write,
  87                 tsens_max, wci2a, wci2b, wci2c, wci2d ]
  88
  89     required:
  90       - pins
  91
  92 allOf:
  93   - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
  94
  95 required:
  96   - compatible
  97   - reg
  98
  99 unevaluatedProperties: false
 100
 101 examples:
 102   - |
 103     #include <dt-bindings/interrupt-controller/arm-gic.h>
 104
 105     tlmm: pinctrl@1000000 {
 106         compatible = "qcom,ipq8074-pinctrl";
 107         reg = <0x01000000 0x300000>;
 108         gpio-controller;
 109         #gpio-cells = <0x2>;
 110         gpio-ranges = <&tlmm 0 0 70>;
 111         interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
 112         interrupt-controller;
 113         #interrupt-cells = <0x2>;
 114
 115         serial4-state {
 116             pins = "gpio23", "gpio24";
 117             function = "blsp4_uart1";
 118             drive-strength = <8>;
 119             bias-disable;
 120         };
 121     };