xref: /linux/Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.yaml (revision 41c177cf354126a22443b5c80cec9fdd313e67e1) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/qcom,msm8976-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm MSM8976 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 MSM8976 SoC.
15
16properties:
17  compatible:
18    const: qcom,msm8976-pinctrl
19
20  reg:
21    maxItems: 1
22
23  interrupts:
24    maxItems: 1
25
26  gpio-reserved-ranges:
27    minItems: 1
28    maxItems: 73
29
30  gpio-line-names:
31    maxItems: 145
32
33patternProperties:
34  "-state$":
35    oneOf:
36      - $ref: "#/$defs/qcom-msm8976-tlmm-state"
37      - patternProperties:
38          "-pins$":
39            $ref: "#/$defs/qcom-msm8976-tlmm-state"
40        additionalProperties: false
41
42$defs:
43  qcom-msm8976-tlmm-state:
44    type: object
45    description:
46      Desired pin configuration for a device or its specific state (like sleep
47      or active).
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 state.
55        items:
56          oneOf:
57            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-3][0-9]|14[0-4])$"
58            - enum: [ qdsd_clk, qdsd_cmd, qdsd_data0, qdsd_data1, qdsd_data2,
59                      qdsd_data3, sdc1_clk, sdc1_cmd, sdc1_data, sdc1_rclk,
60                      sdc2_clk, sdc2_cmd, sdc2_data ]
61        minItems: 1
62        maxItems: 36
63
64      function:
65        description:
66          Specify the alternative function to be configured for the specified
67          pins.
68
69        enum: [ gpio, blsp_uart1, blsp_spi1, smb_int, blsp_i2c1, blsp_spi2,
70                blsp_uart2, blsp_i2c2, gcc_gp1_clk_b, blsp_spi3,
71                qdss_tracedata_b, blsp_i2c3, gcc_gp2_clk_b, gcc_gp3_clk_b,
72                blsp_spi4, cap_int, blsp_i2c4, blsp_spi5, blsp_uart5,
73                qdss_traceclk_a, m_voc, blsp_i2c5, qdss_tracectl_a,
74                qdss_tracedata_a, blsp_spi6, blsp_uart6, qdss_tracectl_b,
75                blsp_i2c6, qdss_traceclk_b, mdp_vsync, pri_mi2s_mclk_a,
76                sec_mi2s_mclk_a, cam_mclk, cci0_i2c, cci1_i2c, blsp1_spi,
77                blsp3_spi, gcc_gp1_clk_a, gcc_gp2_clk_a, gcc_gp3_clk_a,
78                uim_batt, sd_write, uim1_data, uim1_clk, uim1_reset,
79                uim1_present, uim2_data, uim2_clk, uim2_reset, uim2_present,
80                ts_xvdd, mipi_dsi0, us_euro, ts_resout, ts_sample,
81                sec_mi2s_mclk_b, pri_mi2s, codec_reset, cdc_pdm0, us_emitter,
82                pri_mi2s_mclk_b, pri_mi2s_mclk_c, lpass_slimbus,
83                lpass_slimbus0, lpass_slimbus1, codec_int1, codec_int2,
84                wcss_bt, sdc3, wcss_wlan2, wcss_wlan1, wcss_wlan0, wcss_wlan,
85                wcss_fm, key_volp, key_snapshot, key_focus, key_home, pwr_down,
86                dmic0_clk, hdmi_int, dmic0_data, wsa_vi, wsa_en, blsp_spi8,
87                wsa_irq, blsp_i2c8, pa_indicator, modem_tsync, ssbi_wtr1,
88                gsm1_tx, gsm0_tx, sdcard_det, sec_mi2s, ss_switch ]
89
90    required:
91      - pins
92
93allOf:
94  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
95
96required:
97  - compatible
98  - reg
99
100unevaluatedProperties: false
101
102examples:
103  - |
104    #include <dt-bindings/interrupt-controller/arm-gic.h>
105
106    tlmm: pinctrl@1000000 {
107        compatible = "qcom,msm8976-pinctrl";
108        reg = <0x1000000 0x300000>;
109        #gpio-cells = <2>;
110        gpio-controller;
111        gpio-ranges = <&tlmm 0 0 145>;
112        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
113        interrupt-controller;
114        #interrupt-cells = <2>;
115
116        blsp1-uart2-active-state {
117            pins = "gpio4", "gpio5", "gpio6", "gpio7";
118            function = "blsp_uart2";
119            drive-strength = <2>;
120            bias-disable;
121        };
122    };
123