| Message ID | 1417571396-31324-1-git-send-email-jay.xu@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Jianqun, On Tue, Dec 2, 2014 at 5:49 PM, Jianqun Xu <jay.xu@rock-chips.com> wrote: > Add an property "i2s_clk_out", which enables to output clock to outside > of rockchip SoCs. Let's make it optional since not each board needs it. > > Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> > Reviewed-by: Doug Anderson <dianders@chromium.org> > --- > Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) For the record, I think this is version 4 of the patch and there have been no changes from version 2. Mark: IMHO this is in a good shape to land, but I know it's a pretty busy time right now...
Hi, On Tue, Dec 2, 2014 at 9:20 PM, Doug Anderson <dianders@chromium.org> wrote: > Jianqun, > > On Tue, Dec 2, 2014 at 5:49 PM, Jianqun Xu <jay.xu@rock-chips.com> wrote: >> Add an property "i2s_clk_out", which enables to output clock to outside >> of rockchip SoCs. Let's make it optional since not each board needs it. >> >> Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> >> Reviewed-by: Doug Anderson <dianders@chromium.org> >> --- >> Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 8 ++++++-- >> 1 file changed, 6 insertions(+), 2 deletions(-) > > For the record, I think this is version 4 of the patch and there have > been no changes from version 2. > > Mark: IMHO this is in a good shape to land, but I know it's a pretty > busy time right now... Argh, Mark wasn't on the TO list for your patch (or even the CC list)! I think you _will_ need to resend for that. You probably want to include all the people from the previous version... -Doug
diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt index 9b82c20..c8f5ac0 100644 --- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt +++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt @@ -22,6 +22,10 @@ Required properties: - "i2s_hclk": clock for I2S BUS - "i2s_clk" : clock for I2S controller +Optional property: +- "i2s_clk_out" : clock output to outside of chip, usally as master clock for audio + codec chip + Example for rk3288 I2S controller: i2s@ff890000 { @@ -32,6 +36,6 @@ i2s@ff890000 { #size-cells = <0>; dmas = <&pdma1 0>, <&pdma1 1>; dma-names = "tx", "rx"; - clock-names = "i2s_hclk", "i2s_clk"; - clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>; + clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out"; + clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_CLKOUT>; };