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 ".*":
47 $ref: "#/$defs/qcom-sm8450-tlmm-state"
48
49 $defs:
50 qcom-sm8450-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
57 properties:
58 pins:
59 description:
60 List of gpio pins affected by the properties specified in this
61 subnode.
62 items:
63 oneOf:
64 - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-9][0-9]|20[0-9])$"
65 - enum: [ ufs_reset, sdc2_clk, sdc2_cmd, sdc2_data ]
66 minItems: 1
67 maxItems: 36
68
69 function:
70 description:
71 Specify the alternative function to be configured for the specified
72 pins.
73 enum: [ aon_cam, atest_char, atest_usb, audio_ref, cam_mclk, cci_async,
74 cci_i2c, cci_timer, cmu_rng, coex_uart1, coex_uart2, cri_trng,
75 cri_trng0, cri_trng1, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1,
76 ddr_pxi2, ddr_pxi3, dp_hot, gcc_gp1, gcc_gp2, gcc_gp3,
77 gpio, ibi_i3c, jitter_bist, mdp_vsync, mdp_vsync0, mdp_vsync1,
78 mdp_vsync2, mdp_vsync3, mi2s0_data0, mi2s0_data1, mi2s0_sck,
79 mi2s0_ws, mi2s2_data0, mi2s2_data1, mi2s2_sck, mi2s2_ws,
80 mss_grfc0, mss_grfc1, mss_grfc10, mss_grfc11, mss_grfc12,
81 mss_grfc2, mss_grfc3, mss_grfc4, mss_grfc5, mss_grfc6,
82 mss_grfc7, mss_grfc8, mss_grfc9, nav, pcie0_clkreqn,
83 pcie1_clkreqn, phase_flag, pll_bist, pll_clk, pri_mi2s,
84 prng_rosc, qdss_cti, qdss_gpio, qlink0_enable, qlink0_request,
85 qlink0_wmss, qlink1_enable, qlink1_request, qlink1_wmss,
86 qlink2_enable, qlink2_request, qlink2_wmss, qspi0, qspi1,
87 qspi2, qspi3, qspi_clk, qspi_cs, qup0, qup1, qup10, qup11,
88 qup12, qup13, qup14, qup15, qup16, qup17, qup18, qup19, qup2,
89 qup20, qup21, qup3, qup4, qup5, qup6, qup7, qup8, qup9, qup_l4,
90 qup_l5, qup_l6, sd_write, sdc40, sdc41, sdc42, sdc43, sdc4_clk,
91 sdc4_cmd, sec_mi2s, tb_trig, tgu_ch0, tgu_ch1, tgu_ch2,
92 tgu_ch3, tmess_prng0, tmess_prng1, tmess_prng2, tmess_prng3,
93 tsense_pwm1, tsense_pwm2, uim0_clk, uim0_data, uim0_present,
94 uim0_reset, uim1_clk, uim1_data, uim1_present, uim1_reset,
95 usb2phy_ac, usb_phy, vfr_0, vfr_1, vsense_trigger ]
96
97 bias-disable: true
98 bias-pull-down: true
99 bias-pull-up: true
100 drive-strength: true
101 input-enable: true
102 output-high: true
103 output-low: true
104
105 required:
106 - pins
107 - function
108
109 additionalProperties: false
110
111 examples:
112 - |
113 #include <dt-bindings/interrupt-controller/arm-gic.h>
114 pinctrl@f100000 {
115 compatible = "qcom,sm8450-tlmm";
116 reg = <0x0f100000 0x300000>;
117 gpio-controller;
118 #gpio-cells = <2>;
119 gpio-ranges = <&tlmm 0 0 211>;
120 interrupt-controller;
121 #interrupt-cells = <2>;
122 interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
123
124 gpio-wo-subnode-state {
125 pins = "gpio1";
126 function = "gpio";
127 };
128
129 uart-w-subnodes-state {
130 rx {
131 pins = "gpio26";
132 function = "qup7";
133 bias-pull-up;
134 };
135
136 tx {
137 pins = "gpio27";
138 function = "qup7";
139 bias-disable;
140 };
141 };
142 };
143 ...
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