Loading Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt +40 −0 Original line number Diff line number Diff line Loading @@ -32,6 +32,46 @@ edge. Definition: reference to the "rpm_hlos" mailbox in APCS, as described in mailbox/mailbox.txt - cpu-affinity: Usage: optional Value type: <prop-encoded-array> Definition: cores to pin the irq to = GLINK SPSS The remote proc on a GLINK SPSS edge expects the descriptors and fifos to be allocated by this processor. The following bindings are required to inform the remote proc of the allocated smem. - reg-names: Usage: required for glink-spss Value type: <stringlist> Definition: must contain the following registers "qcom,spss-addr" - to handoff SPSS smem address to rproc "qcom,spss-size" - to handoff SPSS smem size to rproc - reg: Usage: required for glink-spss Value type: <prop-encoded-array> Definition: address and size pairs describing the GLINK SPSS registers, the order must match the entries in reg-names = GLINK SPI The following bindings are required for a GLINK SPI edge. They describe the physical address where the FIFO descriptors are located. The wcd-spi driver uses these physical address when writing to the spi bus. - tx-descriptors: Usage: required for glink-spi Value type: <u32 array> Definition: must contain the physical addresses of the outgoing FIFO head and tail descriptors. The array should be <head tail> - rx-descriptors: Usage: required for glink-spi Value type: <u32 array> Definition: must contain the physical addresses of the incoming FIFO head and tail descriptors. The array should be <head tail> = GLINK DEVICES Each subnode of the GLINK node represent function tied to a virtual communication channel. The name of the nodes are not important. The properties Loading Loading
Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt +40 −0 Original line number Diff line number Diff line Loading @@ -32,6 +32,46 @@ edge. Definition: reference to the "rpm_hlos" mailbox in APCS, as described in mailbox/mailbox.txt - cpu-affinity: Usage: optional Value type: <prop-encoded-array> Definition: cores to pin the irq to = GLINK SPSS The remote proc on a GLINK SPSS edge expects the descriptors and fifos to be allocated by this processor. The following bindings are required to inform the remote proc of the allocated smem. - reg-names: Usage: required for glink-spss Value type: <stringlist> Definition: must contain the following registers "qcom,spss-addr" - to handoff SPSS smem address to rproc "qcom,spss-size" - to handoff SPSS smem size to rproc - reg: Usage: required for glink-spss Value type: <prop-encoded-array> Definition: address and size pairs describing the GLINK SPSS registers, the order must match the entries in reg-names = GLINK SPI The following bindings are required for a GLINK SPI edge. They describe the physical address where the FIFO descriptors are located. The wcd-spi driver uses these physical address when writing to the spi bus. - tx-descriptors: Usage: required for glink-spi Value type: <u32 array> Definition: must contain the physical addresses of the outgoing FIFO head and tail descriptors. The array should be <head tail> - rx-descriptors: Usage: required for glink-spi Value type: <u32 array> Definition: must contain the physical addresses of the incoming FIFO head and tail descriptors. The array should be <head tail> = GLINK DEVICES Each subnode of the GLINK node represent function tied to a virtual communication channel. The name of the nodes are not important. The properties Loading
