1 * Exynos Thermal Management Unit (TMU)
3 ** Required properties:
5 - compatible : One of the following:
6 "samsung,exynos4412-tmu"
7 "samsung,exynos4210-tmu"
8 "samsung,exynos5250-tmu"
9 "samsung,exynos5260-tmu"
10 "samsung,exynos5420-tmu" for TMU channel 0, 1 on Exynos5420
11 "samsung,exynos5420-tmu-ext-triminfo" for TMU channels 2, 3 and 4
12 Exynos5420 (Must pass triminfo base and triminfo clock)
13 "samsung,exynos5440-tmu"
14 - interrupt-parent : The phandle for the interrupt controller
15 - reg : Address range of the thermal registers. For soc's which has multiple
16 instances of TMU and some registers are shared across all TMU's like
17 interrupt related then 2 set of register has to supplied. First set
18 belongs to register set of TMU instance and second set belongs to
19 registers shared with the TMU instance.
21 NOTE: On Exynos5420, the TRIMINFO register is misplaced for TMU
23 Use "samsung,exynos5420-tmu-ext-triminfo" in cases, there is a misplaced
24 register, also provide clock to access that base.
26 TRIMINFO at 0x1006c000 contains data for TMU channel 3
27 TRIMINFO at 0x100a0000 contains data for TMU channel 4
28 TRIMINFO at 0x10068000 contains data for TMU channel 2
30 - interrupts : Should contain interrupt for thermal system
31 - clocks : The main clocks for TMU device
32 -- 1. operational clock for TMU channel
33 -- 2. optional clock to access the shared registers of TMU channel
34 - clock-names : Thermal system clock name
35 -- "tmu_apbif" operational clock for current TMU channel
36 -- "tmu_triminfo_apbif" clock to access the shared triminfo register
37 for current TMU channel
38 - vtmu-supply: This entry is optional and provides the regulator node supplying
39 voltage to TMU. If needed this entry can be placed inside
40 board/platform specific dts file.
45 compatible = "samsung,exynos4412-tmu";
46 interrupt-parent = <&combiner>;
47 reg = <0x100C0000 0x100>;
49 clocks = <&clock 383>;
50 clock-names = "tmu_apbif";
52 vtmu-supply = <&tmu_regulator_node>;
57 tmuctrl_0: tmuctrl@160118 {
58 compatible = "samsung,exynos5440-tmu";
59 reg = <0x160118 0x230>, <0x160368 0x10>;
60 interrupts = <0 58 0>;
62 clock-names = "tmu_apbif";
65 Example 3): (In case of Exynos5420 "with misplaced TRIMINFO register")
66 tmu_cpu2: tmu@10068000 {
67 compatible = "samsung,exynos5420-tmu-ext-triminfo";
68 reg = <0x10068000 0x100>, <0x1006c000 0x4>;
69 interrupts = <0 184 0>;
70 clocks = <&clock 318>, <&clock 318>;
71 clock-names = "tmu_apbif", "tmu_triminfo_apbif";
74 tmu_cpu3: tmu@1006c000 {
75 compatible = "samsung,exynos5420-tmu-ext-triminfo";
76 reg = <0x1006c000 0x100>, <0x100a0000 0x4>;
77 interrupts = <0 185 0>;
78 clocks = <&clock 318>, <&clock 319>;
79 clock-names = "tmu_apbif", "tmu_triminfo_apbif";
82 tmu_gpu: tmu@100a0000 {
83 compatible = "samsung,exynos5420-tmu-ext-triminfo";
84 reg = <0x100a0000 0x100>, <0x10068000 0x4>;
85 interrupts = <0 215 0>;
86 clocks = <&clock 319>, <&clock 318>;
87 clock-names = "tmu_apbif", "tmu_triminfo_apbif";
90 Note: For multi-instance tmu each instance should have an alias correctly
91 numbered in "aliases" node.
96 tmuctrl0 = &tmuctrl_0;
97 tmuctrl1 = &tmuctrl_1;
98 tmuctrl2 = &tmuctrl_2;