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