diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt index 1ac7b1642186..0e5c12c66523 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt | |||
@@ -1,12 +1,22 @@ | |||
1 | NVIDIA Tegra30 AHUB (Audio Hub) | 1 | NVIDIA Tegra30 AHUB (Audio Hub) |
2 | 2 | ||
3 | Required properties: | 3 | Required properties: |
4 | - compatible : "nvidia,tegra30-ahub" | 4 | - compatible : "nvidia,tegra30-ahub", "nvidia,tegra114-ahub", etc. |
5 | - reg : Should contain the register physical address and length for each of | 5 | - reg : Should contain the register physical address and length for each of |
6 | the AHUB's APBIF registers and the AHUB's own registers. | 6 | the AHUB's register blocks. |
7 | - Tegra30 requires 2 entries, for the APBIF and AHUB/AUDIO register blocks. | ||
8 | - Tegra114 requires an additional entry, for the APBIF2 register block. | ||
7 | - interrupts : Should contain AHUB interrupt | 9 | - interrupts : Should contain AHUB interrupt |
8 | - nvidia,dma-request-selector : The Tegra DMA controller's phandle and | 10 | - nvidia,dma-request-selector : A list of the DMA channel specifiers. Each |
9 | request selector for the first APBIF channel. | 11 | entry contains the Tegra DMA controller's phandle and request selector. |
12 | If a single entry is present, the request selectors for the channels are | ||
13 | assumed to be contiguous, and increment from this value. | ||
14 | If multiple values are given, one value must be given per channel. | ||
15 | - clocks : Must contain an entry for each required entry in clock-names. | ||
16 | - clock-names : Must include the following entries: | ||
17 | - Tegra30: Requires d_audio, apbif, i2s0, i2s1, i2s2, i2s3, i2s4, dam0, | ||
18 | dam1, dam2, spdif_in. | ||
19 | - Tegra114: Additionally requires amx, adx. | ||
10 | - ranges : The bus address mapping for the configlink register bus. | 20 | - ranges : The bus address mapping for the configlink register bus. |
11 | Can be empty since the mapping is 1:1. | 21 | Can be empty since the mapping is 1:1. |
12 | - #address-cells : For the configlink bus. Should be <1>; | 22 | - #address-cells : For the configlink bus. Should be <1>; |
@@ -25,7 +35,13 @@ ahub@70080000 { | |||
25 | reg = <0x70080000 0x200 0x70080200 0x100>; | 35 | reg = <0x70080000 0x200 0x70080200 0x100>; |
26 | interrupts = < 0 103 0x04 >; | 36 | interrupts = < 0 103 0x04 >; |
27 | nvidia,dma-request-selector = <&apbdma 1>; | 37 | nvidia,dma-request-selector = <&apbdma 1>; |
28 | 38 | clocks = <&tegra_car 106>, <&tegra_car 107>, <&tegra_car 30>, | |
39 | <&tegra_car 11>, <&tegra_car 18>, <&tegra_car 101>, | ||
40 | <&tegra_car 102>, <&tegra_car 108>, <&tegra_car 109>, | ||
41 | <&tegra_car 110>, <&tegra_car 162>; | ||
42 | clock-names = "d_audio", "apbif", "i2s0", "i2s1", "i2s2", | ||
43 | "i2s3", "i2s4", "dam0", "dam1", "dam2", | ||
44 | "spdif_in"; | ||
29 | ranges; | 45 | ranges; |
30 | #address-cells = <1>; | 46 | #address-cells = <1>; |
31 | #size-cells = <1>; | 47 | #size-cells = <1>; |