Commit | Line | Data |
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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
f56aad1d VK |
2 | /* |
3 | * Copyright (C) 2016 Linaro. | |
4 | * Viresh Kumar <viresh.kumar@linaro.org> | |
f56aad1d VK |
5 | */ |
6 | ||
7 | #include <linux/err.h> | |
3b062a08 | 8 | #include <linux/module.h> |
f56aad1d VK |
9 | #include <linux/of.h> |
10 | #include <linux/platform_device.h> | |
11 | ||
297a6622 VK |
12 | #include "cpufreq-dt.h" |
13 | ||
edeec420 VK |
14 | /* |
15 | * Machines for which the cpufreq device is *always* created, mostly used for | |
16 | * platforms using "operating-points" (V1) property. | |
17 | */ | |
4814d9c5 | 18 | static const struct of_device_id allowlist[] __initconst = { |
117d4f59 VK |
19 | { .compatible = "allwinner,sun4i-a10", }, |
20 | { .compatible = "allwinner,sun5i-a10s", }, | |
21 | { .compatible = "allwinner,sun5i-a13", }, | |
22 | { .compatible = "allwinner,sun5i-r8", }, | |
23 | { .compatible = "allwinner,sun6i-a31", }, | |
24 | { .compatible = "allwinner,sun6i-a31s", }, | |
25 | { .compatible = "allwinner,sun7i-a20", }, | |
26 | { .compatible = "allwinner,sun8i-a23", }, | |
117d4f59 VK |
27 | { .compatible = "allwinner,sun8i-a83t", }, |
28 | { .compatible = "allwinner,sun8i-h3", }, | |
29 | ||
e11b6293 HT |
30 | { .compatible = "apm,xgene-shadowcat", }, |
31 | ||
650ec6cf LW |
32 | { .compatible = "arm,integrator-ap", }, |
33 | { .compatible = "arm,integrator-cp", }, | |
34 | ||
a0df7734 | 35 | { .compatible = "hisilicon,hi3660", }, |
3920be47 | 36 | |
7ead83f6 VK |
37 | { .compatible = "fsl,imx27", }, |
38 | { .compatible = "fsl,imx51", }, | |
39 | { .compatible = "fsl,imx53", }, | |
7ead83f6 | 40 | |
a59511d1 | 41 | { .compatible = "marvell,berlin", }, |
dcd2ea41 RJ |
42 | { .compatible = "marvell,pxa250", }, |
43 | { .compatible = "marvell,pxa270", }, | |
a59511d1 | 44 | |
2249c00a VK |
45 | { .compatible = "samsung,exynos3250", }, |
46 | { .compatible = "samsung,exynos4210", }, | |
2249c00a VK |
47 | { .compatible = "samsung,exynos5250", }, |
48 | #ifndef CONFIG_BL_SWITCHER | |
2249c00a VK |
49 | { .compatible = "samsung,exynos5800", }, |
50 | #endif | |
7694ca6e | 51 | |
a399dc9f VK |
52 | { .compatible = "renesas,emev2", }, |
53 | { .compatible = "renesas,r7s72100", }, | |
54 | { .compatible = "renesas,r8a73a4", }, | |
55 | { .compatible = "renesas,r8a7740", }, | |
a6d1bfa0 | 56 | { .compatible = "renesas,r8a7742", }, |
f0da898b | 57 | { .compatible = "renesas,r8a7743", }, |
d1e13031 | 58 | { .compatible = "renesas,r8a7744", }, |
f0da898b | 59 | { .compatible = "renesas,r8a7745", }, |
a399dc9f VK |
60 | { .compatible = "renesas,r8a7778", }, |
61 | { .compatible = "renesas,r8a7779", }, | |
62 | { .compatible = "renesas,r8a7790", }, | |
63 | { .compatible = "renesas,r8a7791", }, | |
ffdf8b86 | 64 | { .compatible = "renesas,r8a7792", }, |
a399dc9f VK |
65 | { .compatible = "renesas,r8a7793", }, |
66 | { .compatible = "renesas,r8a7794", }, | |
67 | { .compatible = "renesas,sh73a0", }, | |
68 | ||
014400c1 FX |
69 | { .compatible = "rockchip,rk2928", }, |
70 | { .compatible = "rockchip,rk3036", }, | |
71 | { .compatible = "rockchip,rk3066a", }, | |
72 | { .compatible = "rockchip,rk3066b", }, | |
73 | { .compatible = "rockchip,rk3188", }, | |
74 | { .compatible = "rockchip,rk3228", }, | |
75 | { .compatible = "rockchip,rk3288", }, | |
319af40a | 76 | { .compatible = "rockchip,rk3328", }, |
014400c1 FX |
77 | { .compatible = "rockchip,rk3366", }, |
78 | { .compatible = "rockchip,rk3368", }, | |
9d21d33c DT |
79 | { .compatible = "rockchip,rk3399", |
80 | .data = &(struct cpufreq_dt_platform_data) | |
81 | { .have_governor_per_policy = true, }, | |
82 | }, | |
014400c1 | 83 | |
ff6c349f LW |
84 | { .compatible = "st-ericsson,u8500", }, |
85 | { .compatible = "st-ericsson,u8540", }, | |
86 | { .compatible = "st-ericsson,u9500", }, | |
87 | { .compatible = "st-ericsson,u9540", }, | |
88 | ||
4b4c0d37 MH |
89 | { .compatible = "starfive,jh7110", }, |
90 | ||
7694ca6e | 91 | { .compatible = "ti,omap2", }, |
7694ca6e VK |
92 | { .compatible = "ti,omap4", }, |
93 | { .compatible = "ti,omap5", }, | |
5e4249c6 VK |
94 | |
95 | { .compatible = "xlnx,zynq-7000", }, | |
a5685781 | 96 | { .compatible = "xlnx,zynqmp", }, |
bd37e022 WY |
97 | |
98 | { } | |
f56aad1d VK |
99 | }; |
100 | ||
edeec420 VK |
101 | /* |
102 | * Machines for which the cpufreq device is *not* created, mostly used for | |
103 | * platforms using "operating-points-v2" property. | |
104 | */ | |
4814d9c5 | 105 | static const struct of_device_id blocklist[] __initconst = { |
f328584f YL |
106 | { .compatible = "allwinner,sun50i-h6", }, |
107 | ||
6286bbb4 HM |
108 | { .compatible = "apple,arm-platform", }, |
109 | ||
fbb31cb8 SH |
110 | { .compatible = "arm,vexpress", }, |
111 | ||
ff76898c VK |
112 | { .compatible = "calxeda,highbank", }, |
113 | { .compatible = "calxeda,ecx-2000", }, | |
114 | ||
a08e1b6c | 115 | { .compatible = "fsl,imx7ulp", }, |
e6abacab | 116 | { .compatible = "fsl,imx7d", }, |
bc8b0c27 | 117 | { .compatible = "fsl,imx7s", }, |
4d28ba1d LC |
118 | { .compatible = "fsl,imx8mq", }, |
119 | { .compatible = "fsl,imx8mm", }, | |
8ec50350 | 120 | { .compatible = "fsl,imx8mn", }, |
24f371f7 | 121 | { .compatible = "fsl,imx8mp", }, |
4d28ba1d | 122 | |
ff76898c VK |
123 | { .compatible = "marvell,armadaxp", }, |
124 | ||
6066998c AC |
125 | { .compatible = "mediatek,mt2701", }, |
126 | { .compatible = "mediatek,mt2712", }, | |
127 | { .compatible = "mediatek,mt7622", }, | |
128 | { .compatible = "mediatek,mt7623", }, | |
de4ca309 | 129 | { .compatible = "mediatek,mt8167", }, |
6066998c AC |
130 | { .compatible = "mediatek,mt817x", }, |
131 | { .compatible = "mediatek,mt8173", }, | |
132 | { .compatible = "mediatek,mt8176", }, | |
9176b425 | 133 | { .compatible = "mediatek,mt8183", }, |
be4b61ec | 134 | { .compatible = "mediatek,mt8186", }, |
70d99a8f | 135 | { .compatible = "mediatek,mt8365", }, |
75118c8e | 136 | { .compatible = "mediatek,mt8516", }, |
6066998c | 137 | |
26a7a475 DO |
138 | { .compatible = "nvidia,tegra20", }, |
139 | { .compatible = "nvidia,tegra30", }, | |
ff76898c | 140 | { .compatible = "nvidia,tegra124", }, |
43c36002 | 141 | { .compatible = "nvidia,tegra210", }, |
01c5bb0c | 142 | { .compatible = "nvidia,tegra234", }, |
ff76898c | 143 | |
46e2856b | 144 | { .compatible = "qcom,apq8096", }, |
40f6be3e | 145 | { .compatible = "qcom,msm8909", }, |
46e2856b | 146 | { .compatible = "qcom,msm8996", }, |
6b6349d0 | 147 | { .compatible = "qcom,msm8998", }, |
0aea7a2f | 148 | { .compatible = "qcom,qcm2290", }, |
aa01dd7b | 149 | { .compatible = "qcom,qcm6490", }, |
248b5f29 | 150 | { .compatible = "qcom,qcs404", }, |
0aea7a2f | 151 | { .compatible = "qcom,qdu1000", }, |
5e79d6d9 | 152 | { .compatible = "qcom,sa8155p" }, |
72951a77 | 153 | { .compatible = "qcom,sa8540p" }, |
0aea7a2f | 154 | { .compatible = "qcom,sa8775p" }, |
fb091802 | 155 | { .compatible = "qcom,sc7180", }, |
17a8b0b6 | 156 | { .compatible = "qcom,sc7280", }, |
d66cd5de | 157 | { .compatible = "qcom,sc8180x", }, |
72951a77 | 158 | { .compatible = "qcom,sc8280xp", }, |
032b149b | 159 | { .compatible = "qcom,sdm670", }, |
49ef1221 | 160 | { .compatible = "qcom,sdm845", }, |
0aea7a2f | 161 | { .compatible = "qcom,sdx75", }, |
0612d928 | 162 | { .compatible = "qcom,sm6115", }, |
5e79d6d9 | 163 | { .compatible = "qcom,sm6350", }, |
faf28e24 | 164 | { .compatible = "qcom,sm6375", }, |
417598f9 | 165 | { .compatible = "qcom,sm7225", }, |
5d79e5ce | 166 | { .compatible = "qcom,sm8150", }, |
5e79d6d9 BA |
167 | { .compatible = "qcom,sm8250", }, |
168 | { .compatible = "qcom,sm8350", }, | |
0aea7a2f KD |
169 | { .compatible = "qcom,sm8450", }, |
170 | { .compatible = "qcom,sm8550", }, | |
46e2856b | 171 | |
ff76898c VK |
172 | { .compatible = "st,stih407", }, |
173 | { .compatible = "st,stih410", }, | |
305accf3 | 174 | { .compatible = "st,stih418", }, |
ff76898c | 175 | |
d477bf3a SM |
176 | { .compatible = "ti,am33xx", }, |
177 | { .compatible = "ti,am43", }, | |
178 | { .compatible = "ti,dra7", }, | |
b7dbe349 | 179 | { .compatible = "ti,omap3", }, |
e66e20d7 | 180 | { .compatible = "ti,am625", }, |
b2b2029e | 181 | { .compatible = "ti,am62a7", }, |
8b8eb859 | 182 | { .compatible = "ti,am62p5", }, |
d477bf3a | 183 | |
ba5a61a0 | 184 | { .compatible = "qcom,ipq5332", }, |
47e161a7 | 185 | { .compatible = "qcom,ipq6018", }, |
a8811ec7 | 186 | { .compatible = "qcom,ipq8064", }, |
0b9cd949 | 187 | { .compatible = "qcom,ipq8074", }, |
5b5b5806 | 188 | { .compatible = "qcom,ipq9574", }, |
a8811ec7 AS |
189 | { .compatible = "qcom,apq8064", }, |
190 | { .compatible = "qcom,msm8974", }, | |
191 | { .compatible = "qcom,msm8960", }, | |
192 | ||
edeec420 VK |
193 | { } |
194 | }; | |
195 | ||
196 | static bool __init cpu0_node_has_opp_v2_prop(void) | |
197 | { | |
198 | struct device_node *np = of_cpu_device_node_get(0); | |
199 | bool ret = false; | |
200 | ||
b8f3a396 | 201 | if (of_property_present(np, "operating-points-v2")) |
edeec420 VK |
202 | ret = true; |
203 | ||
204 | of_node_put(np); | |
205 | return ret; | |
206 | } | |
207 | ||
f56aad1d VK |
208 | static int __init cpufreq_dt_platdev_init(void) |
209 | { | |
210 | struct device_node *np = of_find_node_by_path("/"); | |
ca5eda5d | 211 | const struct of_device_id *match; |
edeec420 | 212 | const void *data = NULL; |
f56aad1d VK |
213 | |
214 | if (!np) | |
215 | return -ENODEV; | |
216 | ||
4814d9c5 | 217 | match = of_match_node(allowlist, np); |
edeec420 VK |
218 | if (match) { |
219 | data = match->data; | |
220 | goto create_pdev; | |
221 | } | |
222 | ||
4814d9c5 | 223 | if (cpu0_node_has_opp_v2_prop() && !of_match_node(blocklist, np)) |
edeec420 VK |
224 | goto create_pdev; |
225 | ||
ca5eda5d | 226 | of_node_put(np); |
edeec420 | 227 | return -ENODEV; |
f56aad1d | 228 | |
edeec420 VK |
229 | create_pdev: |
230 | of_node_put(np); | |
297a6622 | 231 | return PTR_ERR_OR_ZERO(platform_device_register_data(NULL, "cpufreq-dt", |
edeec420 | 232 | -1, data, |
297a6622 | 233 | sizeof(struct cpufreq_dt_platform_data))); |
f56aad1d | 234 | } |
57db08f4 | 235 | core_initcall(cpufreq_dt_platdev_init); |
3b062a08 | 236 | MODULE_LICENSE("GPL"); |