Hi Rob, On Mon, 2016-03-21 at 08:04 -0500, Rob Herring wrote: +AD4- On Fri, Mar 11, 2016 at 06:42:37PM +-0300, Alexey Brodkin wrote: +AD4- +AD4- +AD4- +AD4- This add DT bindings documentation for ARC PGU display controller. +AD4- +AD4- +AD4- +AD4- Signed-off-by: Alexey Brodkin +ADw-abrodkin+AEA-synopsys.com+AD4- +AD4- +AD4- Cc: Rob Herring +ADw-robh+-dt+AEA-kernel.org+AD4- +AD4- +AD4- Cc: Pawel Moll +ADw-pawel.moll+AEA-arm.com+AD4- +AD4- +AD4- Cc: Mark Rutland +ADw-mark.rutland+AEA-arm.com+AD4- +AD4- +AD4- Cc: Ian Campbell +ADw-ijc+-devicetree+AEA-hellion.org.uk+AD4- +AD4- +AD4- Cc: Kumar Gala +ADw-galak+AEA-codeaurora.org+AD4- +AD4- +AD4- Cc: David Airlie +ADw-airlied+AEA-linux.ie+AD4- +AD4- +AD4- Cc: dri-devel+AEA-lists.freedesktop.org +AD4- +AD4- Cc: devicetree+AEA-vger.kernel.org +AD4- +AD4- Cc: linux-snps-arc+AEA-lists.infradead.org +AD4- +AD4- --- +AD4- +AD4- +AD4- +AD4- Changes v2 -+AD4- v3: +AD4- +AD4- +AKAAKg- Reverted back to initial larger version of example +AD4- +AD4- +AKAAoACg-with minor fixes (thanks Rob for spotting those). +AD4- +AD4- +AD4- +AD4- Changes v1 -+AD4- v2: +AD4- +AD4- +AKAAKg- Removed everything except PGU node itself. +AD4- +AD4- +AD4- +AD4- +AKA-.../devicetree/bindings/display/snps,arcpgu.txt+AKAAoACgAKAAfA- 72 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- +AD4- +AD4- +AKA-1 file changed, 72 insertions(+-) +AD4- +AD4- +AKA-create mode 100644 Documentation/devicetree/bindings/display/snps,arcpgu.txt +AD4- +AD4- +AD4- +AD4- diff --git a/Documentation/devicetree/bindings/display/snps,arcpgu.txt +AD4- +AD4- b/Documentation/devicetree/bindings/display/snps,arcpgu.txt +AD4- +AD4- new file mode 100644 +AD4- +AD4- index 0000000..b130924 +AD4- +AD4- --- /dev/null +AD4- +AD4- +-+-+- b/Documentation/devicetree/bindings/display/snps,arcpgu.txt +AD4- +AD4- +AEAAQA- -0,0 +-1,72 +AEAAQA- +AD4- +AD4- +-ARC PGU +AD4- +AD4- +- +AD4- +AD4- +-This is a display controller found on several development boards produced +AD4- +AD4- +-by Synopsys. The ARC PGU is an RGB streamer that reads the data from a +AD4- +AD4- +-framebuffer and sends it to a single digital encoder (usually HDMI). +AD4- +AD4- +- +AD4- +AD4- +-Required properties: +AD4- +AD4- +-+AKAAoA-- compatible: +ACI-snps,arcpgu+ACI- +AD4- +AD4- +-+AKAAoA-- reg: Physical base address and length of the controller's registers. +AD4- +AD4- +-+AKAAoA-- clocks: A list of phandle +- clock-specifier pairs, one for each +AD4- +AD4- +-+AKAAoACgAKA-entry in 'clock-names'. +AD4- +AD4- +-+AKAAoA-- clock-names: A list of clock names. For ARC PGU it should contain: +AD4- +AD4- +-+AKAAoACgAKAAoACg-- +ACI-pxlclk+ACI- for the clock feeding the output PLL of the controller. +AD4- +AD4- +-+AKAAoA-- encoder-slave: Phandle of encoder chip. +AD4- Drop this as discussed. Ok I'll do that. But what about my example below? Do I need to remove encoder node from it as well? +AD4- +AD4- +AD4- +AD4- +- +AD4- +AD4- +-Required sub-nodes: +AD4- +AD4- +-+AKAAoA-- port: The PGU connection to an encoder chip. +AD4- +AD4- +- +AD4- +AD4- +-Example: +AD4- +AD4- +- +AD4- +AD4- +-/ +AHs- +AD4- +AD4- +- ... +AD4- +AD4- +- +AD4- +AD4- +- pgu+AEA-XXXXXXXX +AHs- +AD4- +AD4- +- compatible +AD0- +ACI-snps,arcpgu+ACIAOw- +AD4- +AD4- +- reg +AD0- +ADw-0xXXXXXXXX 0x400+AD4AOw- +AD4- +AD4- +- clocks +AD0- +ADwAJg-clock+AF8-node+AD4AOw- +AD4- +AD4- +- clock-names +AD0- +ACI-pxlclk+ACIAOw- +AD4- +AD4- +- encoder-slave +AD0- +ADwAJg-encoder+AF8-node+AD4AOw- +AD4- +AD4- +- +AD4- +AD4- +- port +AHs- +AD4- +AD4- +- pgu+AF8-output: endpoint +AHs- +AD4- +AD4- +- remote-endpoint +AD0- +ADwAJg-hdmi+AF8-enc+AF8-input+AD4AOw- +AD4- +AD4- +- +AH0AOw- +AD4- +AD4- +- +AH0AOw- +AD4- +AD4- +- +AH0AOw- +AD4- +AD4- +- +AD4- +AD4- +- /+ACo- HDMI encoder on I2C bus +ACo-/ +AD4- +AD4- +- i2c+AEA-XXXXXXXX +AHs- +AD4- +AD4- +- compatible +AD0- +ACI-...+ACIAOw- +AD4- +AD4- +- +AD4- +AD4- +- encoder+AF8-node:encoder+AF8-node+AEA-0xXX+AHs- +AD4- Don't use underscores in node names. Just +ACI-hdmi+AEA-xx+ACI- Ok still I may keep label +ACI-encoder+AF8-node+ACI- here, right? -Alexey-- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
