* [PATCH linux-next v3 7/7] clk: renesas: Add binding document for ADG
@ 2018-12-05 7:49 Jiada Wang
2018-12-05 9:04 ` Kuninori Morimoto
0 siblings, 1 reply; 3+ messages in thread
From: Jiada Wang @ 2018-12-05 7:49 UTC (permalink / raw)
To: lgirdwood, broonie, perex, tiwai, kuninori.morimoto.gx,
vladimir_zapolskiy
Cc: alsa-devel, linux-kernel, jiada_wang
Add device tree bindings for Audio Clock Generator (ADG)
of R-Car Socs.
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
---
.../clock/renesas,rcar-adg-clocks.txt | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/renesas,rcar-adg-clocks.txt
diff --git a/Documentation/devicetree/bindings/clock/renesas,rcar-adg-clocks.txt b/Documentation/devicetree/bindings/clock/renesas,rcar-adg-clocks.txt
new file mode 100644
index 000000000000..76fc4f8964e9
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/renesas,rcar-adg-clocks.txt
@@ -0,0 +1,24 @@
+* Renesas R-Car Audio Clock Generator (ADG)
+
+The Audio Clock Generator (ADG) is part of R-Car Audio module, it
+selects and supplies the necessary clock for the SSIU, EAVB-IF, SCU,
+ADSP or DTCP module. It also divides the frequency of the selected
+clock and sends it outside the chip.
+
+Required Properties:
+
+ - compatible: Must be one of
+ - "renesas,rcar_sound-gen1" for the R-Car GEN1 SoCs
+ - "renesas,rcar_sound-gen2" for the R-Car GEN2 SoCs
+ - "renesas,rcar_sound-gen3" for the R-Car GEN3 SoCs
+
+ - reg: Base address and length of the memory resource used by the ADG
+
+ - clocks: References to the parent clock S0D1.
+ - clock-names: ADG refer to its parent clock by name "adg".
+ - #clock-cells: Can be 0, 1 or 2
+ - When clock-cells = 0, ADG registers one fixed clock out
+ - When clock-cells = 1, ADG registers 3 fixed clock out
+ - When clock-cells = 2, ADG registers 3 fixed clock out and 8 AVB clocks
+ second clock specifier need to be 0 to refer to fixed clock out, need
+ to be 1 to refer to AVB clocks
--
2.19.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH linux-next v3 7/7] clk: renesas: Add binding document for ADG
2018-12-05 7:49 [PATCH linux-next v3 7/7] clk: renesas: Add binding document for ADG Jiada Wang
@ 2018-12-05 9:04 ` Kuninori Morimoto
2018-12-05 12:16 ` Jiada Wang
0 siblings, 1 reply; 3+ messages in thread
From: Kuninori Morimoto @ 2018-12-05 9:04 UTC (permalink / raw)
To: Jiada Wang
Cc: lgirdwood, broonie, perex, tiwai, vladimir_zapolskiy, alsa-devel,
linux-kernel
Hi Jiada
> Add device tree bindings for Audio Clock Generator (ADG)
> of R-Car Socs.
>
> Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
> ---
> .../clock/renesas,rcar-adg-clocks.txt | 24 +++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/renesas,rcar-adg-clocks.txt
We want to have this document on rsnd.txt instead of
not-exist-driver file
/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
Best regards
---
Kuninori Morimoto
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH linux-next v3 7/7] clk: renesas: Add binding document for ADG
2018-12-05 9:04 ` Kuninori Morimoto
@ 2018-12-05 12:16 ` Jiada Wang
0 siblings, 0 replies; 3+ messages in thread
From: Jiada Wang @ 2018-12-05 12:16 UTC (permalink / raw)
To: Kuninori Morimoto
Cc: lgirdwood, broonie, perex, tiwai, vladimir_zapolskiy, alsa-devel,
linux-kernel
Hi Morimoto-san
will rename dt bindings doc in next version
Thanks.
Jiada
On 2018/12/05 18:04, Kuninori Morimoto wrote:
> Hi Jiada
>
>> Add device tree bindings for Audio Clock Generator (ADG)
>> of R-Car Socs.
>>
>> Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
>> ---
>> .../clock/renesas,rcar-adg-clocks.txt | 24 +++++++++++++++++++
>> 1 file changed, 24 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/clock/renesas,rcar-adg-clocks.txt
> We want to have this document on rsnd.txt instead of
> not-exist-driver file
>
> /Documentation/devicetree/bindings/sound/renesas,rsnd.txt
>
> Best regards
> ---
> Kuninori Morimoto
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-12-05 7:49 [PATCH linux-next v3 7/7] clk: renesas: Add binding document for ADG Jiada Wang
2018-12-05 9:04 ` Kuninori Morimoto
2018-12-05 12:16 ` Jiada Wang
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