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 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm MSM8976 TLMM pin controller
8
9 maintainers:
10 - Bjorn Andersson <andersson@kernel.org>
11 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
12
13 description:
14 Top Level Mode Multiplexer pin controller in Qualcomm MSM8976 SoC.
15
16 properties:
17 compatible:
18 const: qcom,msm8976-pinctrl
19
20 reg:
21 maxItems: 1
22
23 interrupts:
24 maxItems: 1
25
26 gpio-reserved-ranges:
27 minItems: 1
28 maxItems: 73
29
30 gpio-line-names:
31 maxItems: 145
32
33 patternProperties:
34 "-state$":
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
93 allOf:
94 - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
95
96 required:
97 - compatible
98 - reg
99
100 unevaluatedProperties: false
101
102 examples:
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 };
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