1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* 2 /*
3 * msm8939-pm8916.dtsi describes common proper 3 * msm8939-pm8916.dtsi describes common properties (e.g. regulator connections)
4 * that apply to most devices that make use of 4 * that apply to most devices that make use of the MSM8939 SoC and PM8916 PMIC.
5 * Many regulators have a fixed purpose in the 5 * Many regulators have a fixed purpose in the original reference design and
6 * were rarely re-used for different purposes. 6 * were rarely re-used for different purposes. Devices that deviate from the
7 * typical reference design should not make us 7 * typical reference design should not make use of this include and instead add
8 * the necessary properties in the board-speci 8 * the necessary properties in the board-specific device tree.
9 */ 9 */
10 10
11 #include "msm8939.dtsi" 11 #include "msm8939.dtsi"
12 #include "pm8916.dtsi" 12 #include "pm8916.dtsi"
13 13
14 &mdss_dsi0 { 14 &mdss_dsi0 {
15 vdda-supply = <&pm8916_l2>; 15 vdda-supply = <&pm8916_l2>;
16 vddio-supply = <&pm8916_l6>; 16 vddio-supply = <&pm8916_l6>;
17 }; 17 };
18 18
19 &mdss_dsi0_phy { 19 &mdss_dsi0_phy {
20 vddio-supply = <&pm8916_l6>; 20 vddio-supply = <&pm8916_l6>;
21 }; 21 };
22 22
23 &mdss_dsi1 { 23 &mdss_dsi1 {
24 vdda-supply = <&pm8916_l2>; 24 vdda-supply = <&pm8916_l2>;
25 vddio-supply = <&pm8916_l6>; 25 vddio-supply = <&pm8916_l6>;
26 }; 26 };
27 27
28 &mdss_dsi1_phy { 28 &mdss_dsi1_phy {
29 vddio-supply = <&pm8916_l6>; 29 vddio-supply = <&pm8916_l6>;
30 }; 30 };
31 31
32 &mpss { 32 &mpss {
33 pll-supply = <&pm8916_l7>; 33 pll-supply = <&pm8916_l7>;
34 }; 34 };
35 35
36 &pm8916_codec { 36 &pm8916_codec {
37 vdd-cdc-io-supply = <&pm8916_l5>; 37 vdd-cdc-io-supply = <&pm8916_l5>;
38 vdd-cdc-tx-rx-cx-supply = <&pm8916_l5> 38 vdd-cdc-tx-rx-cx-supply = <&pm8916_l5>;
39 vdd-micbias-supply = <&pm8916_l13>; 39 vdd-micbias-supply = <&pm8916_l13>;
40 }; 40 };
41 41
42 &rpm_requests { 42 &rpm_requests {
43 pm8916_rpm_regulators: regulators { 43 pm8916_rpm_regulators: regulators {
44 compatible = "qcom,rpm-pm8916- 44 compatible = "qcom,rpm-pm8916-regulators";
45 vdd_l1_l2_l3-supply = <&pm8916 45 vdd_l1_l2_l3-supply = <&pm8916_s3>;
46 vdd_l4_l5_l6-supply = <&pm8916 46 vdd_l4_l5_l6-supply = <&pm8916_s4>;
47 vdd_l7-supply = <&pm8916_s4>; 47 vdd_l7-supply = <&pm8916_s4>;
48 48
49 /* pm8916_s1 is managed by rpm 49 /* pm8916_s1 is managed by rpmpd (MSM8939_VDDMDCX) */
50 /* pm8916_s2 is managed by rpm 50 /* pm8916_s2 is managed by rpmpd (MSM8939_VDDCX) */
51 pm8916_s3: s3 { 51 pm8916_s3: s3 {
52 regulator-min-microvol 52 regulator-min-microvolt = <1250000>;
53 regulator-max-microvol 53 regulator-max-microvolt = <1350000>;
54 regulator-always-on; / 54 regulator-always-on; /* Needed for L2 */
55 }; 55 };
56 pm8916_s4: s4 { 56 pm8916_s4: s4 {
57 regulator-min-microvol 57 regulator-min-microvolt = <1850000>;
58 regulator-max-microvol 58 regulator-max-microvolt = <2150000>;
59 regulator-always-on; / 59 regulator-always-on; /* Needed for L5/L7 */
60 }; 60 };
61 61
62 /* 62 /*
63 * Some of the regulators are 63 * Some of the regulators are unused or managed by another
64 * processor (e.g. the modem). 64 * processor (e.g. the modem). We should still define nodes for
65 * them to ensure the vote fro 65 * them to ensure the vote from the application processor can be
66 * dropped in case the regulat 66 * dropped in case the regulators are already on during boot.
67 * 67 *
68 * The labels for these nodes 68 * The labels for these nodes are omitted on purpose because
69 * boards should configure a p 69 * boards should configure a proper voltage before using them.
70 */ 70 */
71 l1 {}; 71 l1 {};
72 72
73 pm8916_l2: l2 { 73 pm8916_l2: l2 {
74 regulator-min-microvol 74 regulator-min-microvolt = <1200000>;
75 regulator-max-microvol 75 regulator-max-microvolt = <1200000>;
76 regulator-always-on; / 76 regulator-always-on; /* Needed for LPDDR RAM */
77 }; 77 };
78 78
79 /* pm8916_l3 is managed by rpm 79 /* pm8916_l3 is managed by rpmpd (MSM8939_VDDMX) */
80 80
81 l4 {}; 81 l4 {};
82 82
83 pm8916_l5: l5 { 83 pm8916_l5: l5 {
84 regulator-min-microvol 84 regulator-min-microvolt = <1800000>;
85 regulator-max-microvol 85 regulator-max-microvolt = <1800000>;
86 regulator-always-on; / 86 regulator-always-on; /* Needed for most digital I/O */
87 }; 87 };
88 88
89 pm8916_l6: l6 { 89 pm8916_l6: l6 {
90 regulator-min-microvol 90 regulator-min-microvolt = <1800000>;
91 regulator-max-microvol 91 regulator-max-microvolt = <1800000>;
92 }; 92 };
93 93
94 pm8916_l7: l7 { 94 pm8916_l7: l7 {
95 regulator-min-microvol 95 regulator-min-microvolt = <1800000>;
96 regulator-max-microvol 96 regulator-max-microvolt = <1800000>;
97 regulator-always-on; / 97 regulator-always-on; /* Needed for CPU PLL */
98 }; 98 };
99 99
100 pm8916_l8: l8 { 100 pm8916_l8: l8 {
101 regulator-min-microvol 101 regulator-min-microvolt = <2900000>;
102 regulator-max-microvol 102 regulator-max-microvolt = <2900000>;
103 }; 103 };
104 104
105 pm8916_l9: l9 { 105 pm8916_l9: l9 {
106 regulator-min-microvol 106 regulator-min-microvolt = <3300000>;
107 regulator-max-microvol 107 regulator-max-microvolt = <3300000>;
108 }; 108 };
109 109
110 l10 {}; 110 l10 {};
111 111
112 pm8916_l11: l11 { 112 pm8916_l11: l11 {
113 regulator-min-microvol 113 regulator-min-microvolt = <2950000>;
114 regulator-max-microvol 114 regulator-max-microvolt = <2950000>;
115 regulator-allow-set-lo 115 regulator-allow-set-load;
116 regulator-system-load 116 regulator-system-load = <200000>;
117 }; 117 };
118 118
119 pm8916_l12: l12 { 119 pm8916_l12: l12 {
120 regulator-min-microvol 120 regulator-min-microvolt = <1800000>;
121 regulator-max-microvol 121 regulator-max-microvolt = <2950000>;
122 }; 122 };
123 123
124 pm8916_l13: l13 { 124 pm8916_l13: l13 {
125 regulator-min-microvol 125 regulator-min-microvolt = <3075000>;
126 regulator-max-microvol 126 regulator-max-microvolt = <3075000>;
127 }; 127 };
128 128
129 l14 {}; 129 l14 {};
130 l15 {}; 130 l15 {};
131 l16 {}; 131 l16 {};
132 l17 {}; 132 l17 {};
133 l18 {}; 133 l18 {};
134 }; 134 };
135 }; 135 };
136 136
137 &sdhc_1 { 137 &sdhc_1 {
138 vmmc-supply = <&pm8916_l8>; 138 vmmc-supply = <&pm8916_l8>;
139 vqmmc-supply = <&pm8916_l5>; 139 vqmmc-supply = <&pm8916_l5>;
140 }; 140 };
141 141
142 &sdhc_2 { 142 &sdhc_2 {
143 vmmc-supply = <&pm8916_l11>; 143 vmmc-supply = <&pm8916_l11>;
144 vqmmc-supply = <&pm8916_l12>; 144 vqmmc-supply = <&pm8916_l12>;
145 }; 145 };
146 146
147 &usb_hs_phy { 147 &usb_hs_phy {
148 v1p8-supply = <&pm8916_l7>; 148 v1p8-supply = <&pm8916_l7>;
149 v3p3-supply = <&pm8916_l13>; 149 v3p3-supply = <&pm8916_l13>;
150 }; 150 };
151 151
152 &wcnss { 152 &wcnss {
153 vddpx-supply = <&pm8916_l7>; 153 vddpx-supply = <&pm8916_l7>;
154 }; 154 };
155 155
156 &wcnss_iris { 156 &wcnss_iris {
157 vddxo-supply = <&pm8916_l7>; 157 vddxo-supply = <&pm8916_l7>;
158 vddrfa-supply = <&pm8916_s3>; 158 vddrfa-supply = <&pm8916_s3>;
159 vddpa-supply = <&pm8916_l9>; 159 vddpa-supply = <&pm8916_l9>;
160 vdddig-supply = <&pm8916_l5>; 160 vdddig-supply = <&pm8916_l5>;
161 }; 161 };
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