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ASoC: samsung: i2s: Update clock-output-names property documentation 

The clock-output-names property is marked as deprecated. While at it,
and few typos are fixed.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sylwester Nawrocki 2018-02-12 17:15:32 +01:00 committed by Mark Brown
parent 191db1ceb8
commit e2ce852a74
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1 changed files with 10 additions and 10 deletions
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20
Documentation/devicetree/bindings/sound/samsung-i2s.txt
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@ -7,7 +7,7 @@ Required SoC Specific Properties:
- samsung,s5pv210-i2s: for 8/16/24bit multichannel(5.1) I2S with
secondary fifo, s/w reset control and internal mux for root clk src.
- samsung,exynos5420-i2s: for 8/16/24bit multichannel(5.1) I2S for
playback, sterio channel capture, secondary fifo using internal
playback, stereo channel capture, secondary fifo using internal
or external dma, s/w reset control, internal mux for root clk src
and 7.1 channel TDM support for playback. TDM (Time division multiplexing)
is to allow transfer of multiple channel audio data on single data line.
@ -25,7 +25,7 @@ Required SoC Specific Properties:
These strings correspond 1:1 with the ordered pairs in dmas.
- clocks: Handle to iis clock and RCLK source clk.
- clock-names:
i2s0 uses some base clks from CMU and some are from audio subsystem internal
i2s0 uses some base clocks from CMU and some are from audio subsystem internal
clock controller. The clock names for i2s0 should be "iis", "i2s_opclk0" and
"i2s_opclk1" as shown in the example below.
i2s1 and i2s2 uses clocks from CMU. The clock names for i2s1 and i2s2 should
@ -36,9 +36,9 @@ Required SoC Specific Properties:
- #clock-cells: should be 1, this property must be present if the I2S device
is a clock provider in terms of the common clock bindings, described in
../clock/clock-bindings.txt.
- clock-output-names: from the common clock bindings, names of the CDCLK
I2S output clocks, suggested values are "i2s_cdclk0", "i2s_cdclk1",
"i2s_cdclk3" for the I2S0, I2S1, I2S2 devices recpectively.
- clock-output-names (deprecated): from the common clock bindings, names of
the CDCLK I2S output clocks, suggested values are "i2s_cdclk0", "i2s_cdclk1",
"i2s_cdclk3" for the I2S0, I2S1, I2S2 devices respectively.
There are following clocks available at the I2S device nodes:
CLK_I2S_CDCLK - the CDCLK (CODECLKO) gate clock,
@ -49,9 +49,10 @@ There are following clocks available at the I2S device nodes:
Refer to the SoC datasheet for availability of the above clocks.
The CLK_I2S_RCLK_PSR and CLK_I2S_RCLK_SRC clocks are usually only available
in the IIS Multi Audio Interface (I2S0).
Note: Old DTs may not have the #clock-cells, clock-output-names properties
and then not use the I2S node as a clock supplier.
in the IIS Multi Audio Interface.
Note: Old DTs may not have the #clock-cells property and then not use the I2S
node as a clock supplier.
Optional SoC Specific Properties:
@ -74,8 +75,7 @@ i2s0: i2s@3830000 {
<&clock_audss EXYNOS_I2S_BUS>,
<&clock_audss EXYNOS_SCLK_I2S>;
clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
#clock-cells;
clock-output-names = "i2s_cdclk0";
#clock-cells = <1>;
samsung,idma-addr = <0x03000000>;
pinctrl-names = "default";
pinctrl-0 = <&i2s0_bus>;