xref: /freebsd/sys/contrib/device-tree/Bindings/pinctrl/qcom,msm8974-pinctrl.yaml (revision 535af610a4fdace6d50960c0ad9be0597eea7a1b) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/qcom,msm8974-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm MSM8974 TLMM pin controller
8
9maintainers:
10  - Bjorn Andersson <andersson@kernel.org>
11  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
12
13description:
14  Top Level Mode Multiplexer pin controller in Qualcomm MSM8974 SoC.
15
16properties:
17  compatible:
18    const: qcom,msm8974-pinctrl
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: 73
36
37  gpio-line-names:
38    maxItems: 146
39
40patternProperties:
41  "-state$":
42    oneOf:
43      - $ref: "#/$defs/qcom-msm8974-tlmm-state"
44      - patternProperties:
45          "-pins$":
46            $ref: "#/$defs/qcom-msm8974-tlmm-state"
47        additionalProperties: false
48
49$defs:
50  qcom-msm8974-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          oneOf:
65            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-3][0-9]|14[0-5])$"
66            - enum: [ hsic_data, hsic_strobe, sdc1_clk, sdc1_cmd, sdc1_data,
67                      sdc2_clk, sdc2_cmd, sdc2_data ]
68        minItems: 1
69        maxItems: 36
70
71      function:
72        description:
73          Specify the alternative function to be configured for the specified
74          pins.
75
76        enum: [ gpio, cci_i2c0, cci_i2c1, uim1, uim2, uim_batt_alarm,
77                blsp_uim1, blsp_uart1, blsp_i2c1, blsp_spi1, blsp_uim2,
78                blsp_uart2, blsp_i2c2, blsp_spi2, blsp_uim3, blsp_uart3,
79                blsp_i2c3, blsp_spi3, blsp_uim4, blsp_uart4, blsp_i2c4,
80                blsp_spi4, blsp_uim5, blsp_uart5, blsp_i2c5, blsp_spi5,
81                blsp_uim6, blsp_uart6, blsp_i2c6, blsp_spi6, blsp_uim7,
82                blsp_uart7, blsp_i2c7, blsp_spi7, blsp_uim8, blsp_uart8,
83                blsp_i2c8, blsp_spi8, blsp_uim9, blsp_uart9, blsp_i2c9,
84                blsp_spi9, blsp_uim10, blsp_uart10, blsp_i2c10, blsp_spi10,
85                blsp_uim11, blsp_uart11, blsp_i2c11, blsp_spi11, blsp_uim12,
86                blsp_uart12, blsp_i2c12, blsp_spi12, blsp_spi1_cs1,
87                blsp_spi2_cs2, blsp_spi_cs3, blsp_spi2_cs1, blsp_spi2_cs2
88                blsp_spi2_cs3, blsp_spi10_cs1, blsp_spi10_cs2, blsp_spi10_cs3,
89                sdc3, sdc4, gcc_gp_clk1, gcc_gp_clk2, gcc_gp_clk3, cci_timer0,
90                cci_timer1, cci_timer2, cci_timer3, cci_async_in0,
91                cci_async_in1, cci_async_in2, cam_mckl0, cam_mclk1, cam_mclk2,
92                cam_mclk3, mdp_vsync, hdmi_cec, hdmi_ddc, hdmi_hpd, edp_hpd,
93                gp_pdm0, gp_pdm1, gp_pdm2, gp_pdm3, gp0_clk, gp1_clk, gp_mn,
94                tsif1, tsif2, hsic, grfc, audio_ref_clk, qua_mi2s, pri_mi2s,
95                spkr_mi2s, ter_mi2s, sec_mi2s, bt, fm, wlan, slimbus, hsic_ctl ]
96
97    required:
98      - pins
99
100    allOf:
101      - if:
102          properties:
103            pins:
104              contains:
105                enum:
106                  - hsic_data
107                  - hsic_strobe
108          required:
109            - pins
110        then:
111          properties:
112            bias-pull-down: false
113            bias-pull-up: false
114            bias-disable: false
115            drive-strength: false
116            input-enable: false
117            output-high: false
118            output-low: false
119
120allOf:
121  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
122
123required:
124  - compatible
125  - reg
126
127additionalProperties: false
128
129examples:
130  - |
131    #include <dt-bindings/interrupt-controller/arm-gic.h>
132    tlmm: pinctrl@fd510000 {
133        compatible = "qcom,msm8974-pinctrl";
134        reg = <0xfd510000 0x4000>;
135        gpio-controller;
136        gpio-ranges = <&tlmm 0 0 146>;
137        #gpio-cells = <2>;
138        interrupt-controller;
139        #interrupt-cells = <2>;
140        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
141
142        sdc1-off-state {
143            clk-pins {
144                pins = "sdc1_clk";
145                bias-disable;
146                drive-strength = <2>;
147            };
148
149            cmd-pins {
150                pins = "sdc1_cmd";
151                bias-pull-up;
152                drive-strength = <2>;
153            };
154
155            data-pins {
156                pins = "sdc1_data";
157                bias-pull-up;
158                drive-strength = <2>;
159            };
160        };
161
162        blsp2-uart1-sleep-state {
163            pins = "gpio41", "gpio42", "gpio43", "gpio44";
164            function = "gpio";
165            drive-strength = <2>;
166            bias-pull-down;
167        };
168
169        hsic-state {
170            pins = "hsic_data", "hsic_strobe";
171        };
172    };
173