| Message ID | 1415864722-2800-6-git-send-email-ankit.jindal@linaro.org |
|---|---|
| State | New |
| Headers | show |
On Thu, Nov 13, 2014 at 1:15 PM, Ankit Jindal <ankit.jindal@linaro.org> wrote: > This patch adds device tree binding documentation for > X-Gene QMTM UIO driver. > > Signed-off-by: Ankit Jindal <ankit.jindal@linaro.org> > Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org> > --- > .../devicetree/bindings/uio/uio_xgene_qmtm.txt | 51 ++++++++++++++++++++ > 1 file changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt > > diff --git a/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt b/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt > new file mode 100644 > index 0000000..ed85bc6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt > @@ -0,0 +1,51 @@ > +APM X-Gene QMTM nodes > + > +The Applied Micro X-Gene SOC has on-chip QMTM (Queue manager > +and Traffic manager). It is a device for managing hardware queues. > +It also implements QoS among hardware queues hence term "traffic" > +manager is present in its name. > + > +Required properties: > +- compatible: Should be "apm,xgene-qmtm" > +- reg: Address and length of the register set for the device. It contains the > + information of registers in the same order as described by reg-names. > +- reg-names: Should contain the register set names > + - "csr": QMTM control and status register address space. > + - "fabric": QMTM memory mapped access to queue states. > +- qpool-memory: Points to the phandle of the node defining memory location for > + creating QMTM queues. This must point to the reserved-memory node > + (as-per reserved memory bindings). It is expected that size and > + location of qpool memory will be configurable via bootloader. > +- clocks: Reference to the clock entry. > +- num-queues: Number of queues under this QMTM device. > +- devid: QMTM identification number for the system having multiple QMTM devices. > + This is used to form a unique id (a tuple of queue number and > + device id) for the queues belonging to this device. > + > +Example: > + qmtm1_uio_qpool: qmtm1_uio_qpool { > + reg = <0x0 0x0 0x0 0x0> > + }; > + > + qmtm1clk: qmtmclk@1f20c000 { > + compatible = "apm,xgene-device-clock"; > + clock-output-names = "qmtm1clk"; > + status = "ok"; > + }; > + > + qmtm1_uio: qmtm_uio@1f200000 { > + compatible = "apm,xgene-qmtm"; > + status = "disabled"; > + reg = <0x0 0x1f200000 0x0 0x10000>, > + <0x0 0x1b000000 0x0 0x400000>; > + reg-names = "csr", "fabric"; > + qpool = <&qmtm1_uio_qpool>; Small typo, this should be qpool-memory = <...>; > + clocks = <&qmtm1clk 0>; > + num-queues = <0x400>; > + devid = <1>; > + }; > + > + /* Board-specific peripheral configurations */ > + &qmtm1_uio { > + status = "ok"; > + }; > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 16 November 2014 09:56, Anup Patel <anup@brainfault.org> wrote: > On Thu, Nov 13, 2014 at 1:15 PM, Ankit Jindal <ankit.jindal@linaro.org> wrote: >> This patch adds device tree binding documentation for >> X-Gene QMTM UIO driver. >> >> Signed-off-by: Ankit Jindal <ankit.jindal@linaro.org> >> Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org> >> --- >> .../devicetree/bindings/uio/uio_xgene_qmtm.txt | 51 ++++++++++++++++++++ >> 1 file changed, 51 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt >> >> diff --git a/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt b/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt >> new file mode 100644 >> index 0000000..ed85bc6 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt >> @@ -0,0 +1,51 @@ >> +APM X-Gene QMTM nodes >> + >> +The Applied Micro X-Gene SOC has on-chip QMTM (Queue manager >> +and Traffic manager). It is a device for managing hardware queues. >> +It also implements QoS among hardware queues hence term "traffic" >> +manager is present in its name. >> + >> +Required properties: >> +- compatible: Should be "apm,xgene-qmtm" >> +- reg: Address and length of the register set for the device. It contains the >> + information of registers in the same order as described by reg-names. >> +- reg-names: Should contain the register set names >> + - "csr": QMTM control and status register address space. >> + - "fabric": QMTM memory mapped access to queue states. >> +- qpool-memory: Points to the phandle of the node defining memory location for >> + creating QMTM queues. This must point to the reserved-memory node >> + (as-per reserved memory bindings). It is expected that size and >> + location of qpool memory will be configurable via bootloader. >> +- clocks: Reference to the clock entry. >> +- num-queues: Number of queues under this QMTM device. >> +- devid: QMTM identification number for the system having multiple QMTM devices. >> + This is used to form a unique id (a tuple of queue number and >> + device id) for the queues belonging to this device. >> + >> +Example: >> + qmtm1_uio_qpool: qmtm1_uio_qpool { >> + reg = <0x0 0x0 0x0 0x0> >> + }; >> + >> + qmtm1clk: qmtmclk@1f20c000 { >> + compatible = "apm,xgene-device-clock"; >> + clock-output-names = "qmtm1clk"; >> + status = "ok"; >> + }; >> + >> + qmtm1_uio: qmtm_uio@1f200000 { >> + compatible = "apm,xgene-qmtm"; >> + status = "disabled"; >> + reg = <0x0 0x1f200000 0x0 0x10000>, >> + <0x0 0x1b000000 0x0 0x400000>; >> + reg-names = "csr", "fabric"; >> + qpool = <&qmtm1_uio_qpool>; > > Small typo, this should be qpool-memory = <...>; Thanks, I will fix this in next revision. -Ankit > >> + clocks = <&qmtm1clk 0>; >> + num-queues = <0x400>; >> + devid = <1>; >> + }; >> + >> + /* Board-specific peripheral configurations */ >> + &qmtm1_uio { >> + status = "ok"; >> + }; >> -- >> 1.7.9.5 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
diff --git a/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt b/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt new file mode 100644 index 0000000..ed85bc6 --- /dev/null +++ b/Documentation/devicetree/bindings/uio/uio_xgene_qmtm.txt @@ -0,0 +1,51 @@ +APM X-Gene QMTM nodes + +The Applied Micro X-Gene SOC has on-chip QMTM (Queue manager +and Traffic manager). It is a device for managing hardware queues. +It also implements QoS among hardware queues hence term "traffic" +manager is present in its name. + +Required properties: +- compatible: Should be "apm,xgene-qmtm" +- reg: Address and length of the register set for the device. It contains the + information of registers in the same order as described by reg-names. +- reg-names: Should contain the register set names + - "csr": QMTM control and status register address space. + - "fabric": QMTM memory mapped access to queue states. +- qpool-memory: Points to the phandle of the node defining memory location for + creating QMTM queues. This must point to the reserved-memory node + (as-per reserved memory bindings). It is expected that size and + location of qpool memory will be configurable via bootloader. +- clocks: Reference to the clock entry. +- num-queues: Number of queues under this QMTM device. +- devid: QMTM identification number for the system having multiple QMTM devices. + This is used to form a unique id (a tuple of queue number and + device id) for the queues belonging to this device. + +Example: + qmtm1_uio_qpool: qmtm1_uio_qpool { + reg = <0x0 0x0 0x0 0x0> + }; + + qmtm1clk: qmtmclk@1f20c000 { + compatible = "apm,xgene-device-clock"; + clock-output-names = "qmtm1clk"; + status = "ok"; + }; + + qmtm1_uio: qmtm_uio@1f200000 { + compatible = "apm,xgene-qmtm"; + status = "disabled"; + reg = <0x0 0x1f200000 0x0 0x10000>, + <0x0 0x1b000000 0x0 0x400000>; + reg-names = "csr", "fabric"; + qpool = <&qmtm1_uio_qpool>; + clocks = <&qmtm1clk 0>; + num-queues = <0x400>; + devid = <1>; + }; + + /* Board-specific peripheral configurations */ + &qmtm1_uio { + status = "ok"; + };