Documentation/devicetree/bindings/pinctrl/qcom,sm8450-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,sm8450-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm Technologies, Inc. SM8450 TLMM block
   8
   9 maintainers:
  10   - Vinod Koul <vkoul@kernel.org>
  11
  12 description: |
  13   This binding describes the Top Level Mode Multiplexer (TLMM) block found
  14   in the SM8450 platform.
  15
  16 allOf:
  17   - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
  18
  19 properties:
  20   compatible:
  21     const: qcom,sm8450-tlmm
  22
  23   reg:
  24     maxItems: 1
  25
  26   interrupts: true
  27   interrupt-controller: true
  28   '#interrupt-cells': true
  29   gpio-controller: true
  30   gpio-reserved-ranges: true
  31   '#gpio-cells': true
  32   gpio-ranges: true
  33   wakeup-parent: true
  34
  35 required:
  36   - compatible
  37   - reg
  38
  39 additionalProperties: false
  40
  41 patternProperties:
  42   '-state$':
  43     oneOf:
  44       - $ref: "#/$defs/qcom-sm8450-tlmm-state"
  45       - patternProperties:
  46           "-pins$":
  47             $ref: "#/$defs/qcom-sm8450-tlmm-state"
  48         additionalProperties: false
  49
  50 $defs:
  51   qcom-sm8450-tlmm-state:
  52     type: object
  53     description:
  54       Pinctrl node's client devices use subnodes for desired pin configuration.
  55       Client device subnodes use below standard properties.
  56     $ref: "qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state"
  57
  58     properties:
  59       pins:
  60         description:
  61           List of gpio pins affected by the properties specified in this
  62           subnode.
  63         items:
  64           oneOf:
  65             - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-9][0-9]|20[0-9])$"
  66             - enum: [ ufs_reset, sdc2_clk, sdc2_cmd, sdc2_data ]
  67         minItems: 1
  68         maxItems: 36
  69
  70       function:
  71         description:
  72           Specify the alternative function to be configured for the specified
  73           pins.
  74         enum: [ aon_cam, atest_char, atest_usb, audio_ref, cam_mclk, cci_async,
  75                 cci_i2c, cci_timer, cmu_rng, coex_uart1, coex_uart2, cri_trng,
  76                 cri_trng0, cri_trng1, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1,
  77                 ddr_pxi2, ddr_pxi3, dp_hot, gcc_gp1, gcc_gp2, gcc_gp3,
  78                 gpio, ibi_i3c, jitter_bist, mdp_vsync, mdp_vsync0, mdp_vsync1,
  79                 mdp_vsync2, mdp_vsync3, mi2s0_data0, mi2s0_data1, mi2s0_sck,
  80                 mi2s0_ws, mi2s2_data0, mi2s2_data1, mi2s2_sck, mi2s2_ws,
  81                 mss_grfc0, mss_grfc1, mss_grfc10, mss_grfc11, mss_grfc12,
  82                 mss_grfc2, mss_grfc3, mss_grfc4, mss_grfc5, mss_grfc6,
  83                 mss_grfc7, mss_grfc8, mss_grfc9, nav, pcie0_clkreqn,
  84                 pcie1_clkreqn, phase_flag, pll_bist, pll_clk, pri_mi2s,
  85                 prng_rosc, qdss_cti, qdss_gpio, qlink0_enable, qlink0_request,
  86                 qlink0_wmss, qlink1_enable, qlink1_request, qlink1_wmss,
  87                 qlink2_enable, qlink2_request, qlink2_wmss, qspi0, qspi1,
  88                 qspi2, qspi3, qspi_clk, qspi_cs, qup0, qup1, qup10, qup11,
  89                 qup12, qup13, qup14, qup15, qup16, qup17, qup18, qup19, qup2,
  90                 qup20, qup21, qup3, qup4, qup5, qup6, qup7, qup8, qup9, qup_l4,
  91                 qup_l5, qup_l6, sd_write, sdc40, sdc41, sdc42, sdc43, sdc4_clk,
  92                 sdc4_cmd, sec_mi2s, tb_trig, tgu_ch0, tgu_ch1, tgu_ch2,
  93                 tgu_ch3, tmess_prng0, tmess_prng1, tmess_prng2, tmess_prng3,
  94                 tsense_pwm1, tsense_pwm2, uim0_clk, uim0_data, uim0_present,
  95                 uim0_reset, uim1_clk, uim1_data, uim1_present, uim1_reset,
  96                 usb2phy_ac, usb_phy, vfr_0, vfr_1, vsense_trigger ]
  97
  98       bias-disable: true
  99       bias-pull-down: true
 100       bias-pull-up: true
 101       drive-strength: true
 102       input-enable: true
 103       output-high: true
 104       output-low: true
 105
 106     required:
 107       - pins
 108       - function
 109
 110     additionalProperties: false
 111
 112 examples:
 113   - |
 114         #include <dt-bindings/interrupt-controller/arm-gic.h>
 115         pinctrl@f100000 {
 116                 compatible = "qcom,sm8450-tlmm";
 117                 reg = <0x0f100000 0x300000>;
 118                 gpio-controller;
 119                 #gpio-cells = <2>;
 120                 gpio-ranges = <&tlmm 0 0 211>;
 121                 interrupt-controller;
 122                 #interrupt-cells = <2>;
 123                 interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
 124
 125                 gpio-wo-subnode-state {
 126                         pins = "gpio1";
 127                         function = "gpio";
 128                 };
 129
 130                 uart-w-subnodes-state {
 131                     rx-pins {
 132                             pins = "gpio26";
 133                             function = "qup7";
 134                             bias-pull-up;
 135                     };
 136
 137                     tx-pins {
 138                             pins = "gpio27";
 139                             function = "qup7";
 140                             bias-disable;
 141                     };
 142                };
 143         };
 144 ...