On Sun, Feb 23, 2014 at 5:49 PM, Sebastian Reichel <sre@xxxxxxxxxx> wrote: > Add new method hsi_add_clients_from_dt, which can be used > to initialize HSI clients from a device tree node. > > The patch also documents the DT binding for trivial HSI > clients. > > Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx> > --- > .../devicetree/bindings/hsi/trivial-devices.txt | 36 +++++++++++ > drivers/hsi/hsi.c | 70 +++++++++++++++++++++- > include/dt-bindings/hsi/hsi.h | 17 ++++++ > include/linux/hsi/hsi.h | 2 + > 4 files changed, 124 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/hsi/trivial-devices.txt > create mode 100644 include/dt-bindings/hsi/hsi.h > > diff --git a/Documentation/devicetree/bindings/hsi/trivial-devices.txt b/Documentation/devicetree/bindings/hsi/trivial-devices.txt > new file mode 100644 > index 0000000..1ace14a > --- /dev/null > +++ b/Documentation/devicetree/bindings/hsi/trivial-devices.txt > @@ -0,0 +1,36 @@ > +This is a list of trivial hsi client devices that have simple > +device tree bindings, consisting only of a compatible field > +and the optional hsi configuration. > + > +If a device needs more specific bindings, such as properties to > +describe some aspect of it, there needs to be a specific binding > +document for it just like any other devices. > + > +Optional HSI configuration properties: > + > +- hsi,mode Bit transmission mode (STREAM or FRAME) hsi is not a vendor prefix, so all these properties should be hsi-*. > + The first value is used for RX and the second one for > + TX configuration. If only one value is provided it will > + be used for RX and TX. > + The assignments may be found in header file > + <dt-bindings/hsi/hsi.h>. > +- hsi,channels Number of channels to use [1..16] > + The first value is used for RX and the second one for > + TX configuration. If only one value is provided it will > + be used for RX and TX. > +- hsi,speed Max bit transmission speed (Kbit/s) Include the units in the prop name: hsi-speed-kbps > + The first value is used for RX and the second one for > + TX configuration. If only one value is provided it will > + be used for RX and TX. > +- hsi,flow RX flow type (SYNCHRONIZED or PIPELINE) > + The assignments may be found in header file > + <dt-bindings/hsi/hsi.h>. > +- hsi,arb_mode Arbitration mode for TX frame (Round robin, priority) > + The assignments may be found in header file > + <dt-bindings/hsi/hsi.h>. > + > +This is the list of trivial client devices: > + > +Compatible Description > +========== ============= > +hsi-char HSI character device I've gotten this far and still have no idea what HSI is. Rob -- 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
