On Fri, Jun 29, 2018 at 02:50:53PM +0530, Rohit kumar wrote: > This adds APSS based ADSP PIL driver for QCOM SoCs. > Added initial support for SDM845 with ADSP bootup and > shutdown operation handled from Application Processor > SubSystem(APSS). > > Signed-off-by: Rohit kumar <rohitkr@xxxxxxxxxxxxxx> > --- > Changes since v1: > - Used APIs from qcom_q6v5.c > - Use clock, reset and regmap driver APIs instead of > directly writing into the LPASS registers. > - Created new file for non PAS ADSP PIL instead of extending > existing ADSP PIL driver. > - cleanups as suggested by Bjorn and Rob. > > .../bindings/remoteproc/qcom,non-pas-adsp.txt | 138 +++++ This should be a separate patch. > drivers/remoteproc/Kconfig | 18 + > drivers/remoteproc/Makefile | 1 + > drivers/remoteproc/qcom_nonpas_adsp_pil.c | 667 +++++++++++++++++++++ > 4 files changed, 824 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,non-pas-adsp.txt > create mode 100644 drivers/remoteproc/qcom_nonpas_adsp_pil.c > > diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,non-pas-adsp.txt b/Documentation/devicetree/bindings/remoteproc/qcom,non-pas-adsp.txt > new file mode 100644 > index 0000000..0581aaa > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/qcom,non-pas-adsp.txt > @@ -0,0 +1,138 @@ > +Qualcomm Technology Inc. Non PAS ADSP Peripheral Image Loader > + > +This document defines the binding for a component that loads and boots firmware > +on the Qualcomm Technology Inc. ADSP Hexagon core. > + > +- compatible: > + Usage: required > + Value type: <string> > + Definition: must be one of: > + "qcom,sdm845-apss-adsp-pil" Didn't Bjorn say to drop the 'apss' part? > + > +- reg: > + Usage: required > + Value type: <prop-encoded-array> > + Definition: must specify the base address and size of the qdsp6ss > + > +- reg-names: > + Usage: required > + Value type: <stringlist> > + Definition: must be "qdsp6ss" > + > +- interrupts-extended: > + Usage: required > + Value type: <prop-encoded-array> > + Definition: must list the watchdog, fatal IRQs ready, handover and > + stop-ack IRQs > + > +- interrupt-names: > + Usage: required > + Value type: <stringlist> > + Definition: must be "wdog", "fatal", "ready", "handover", "stop-ack" > + > +- clocks: > + Usage: required > + Value type: <prop-encoded-array> > + Definition: List of phandle and clock specifier pairs > + > +- clock-names: > + Usage: required > + Value type: <stringlist> > + Definition: List of clock input name strings sorted in the same > + order as the clocks property. > + > +- resets: > + Usage: required > + Value type: <phandle> > + Definition: reference to the reset-controller for the lpass > + > +- reset-names: > + Usage: required > + Value type: <stringlist> > + Definition: must be "pdc_sync" and "cc_lpass" > + > +- qcom,halt-regs: > + Usage: required > + Value type: <prop-encoded-array> > + Definition: a phandle reference to a syscon representing TCSR followed > + by the offset within syscon for lpass halt register. > + > +- cx-supply: > + Usage: required > + Value type: <phandle> > + Definition: reference to the regulator to be held on behalf of the > + booting Hexagon core > + > +- px-supply: > + Usage: optional > + Value type: <phandle> > + Definition: reference to the px regulator to be held on behalf of the > + booting Hexagon core > + > +- memory-region: > + Usage: required > + Value type: <phandle> > + Definition: reference to the reserved-memory for the ADSP > + > +- qcom,smem-states: > + Usage: required > + Value type: <phandle> > + Definition: reference to the smem state for requesting the ADSP to > + shut down > + > +- qcom,smem-state-names: > + Usage: required > + Value type: <stringlist> > + Definition: must be "stop" > + > + > += SUBNODES > +The adsp node may have an subnode named either "smd-edge" or "glink-edge" that > +describes the communication edge, channels and devices related to the ADSP. > +See ../soc/qcom/qcom,smd.txt and ../soc/qcom/qcom,glink.txt for details on how > +to describe these. > + > + > += EXAMPLE > +The following example describes the resources needed to boot control the > +ADSP, as it is found on SDM845 boards. > + adsp-pil { > + compatible = "qcom,sdm845-apss-adsp-pil"; > + > + reg = <0x17300000 0x40c>; > + reg-names = "qdsp6ss"; > + > + interrupts-extended = <&intc 0 162 IRQ_TYPE_EDGE_RISING>, > + <&adsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>, > + <&adsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>, > + <&adsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>, > + <&adsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>; > + interrupt-names = "wdog", "fatal", "ready", > + "handover", "stop-ack"; > + > + clocks = <&clock_rpmh RPMH_CXO_CLK>, > + <&lpasscc GCC_LPASS_SWAY_CLK>, > + <&lpasscc LPASS_AUDIO_WRAPPER_AON_CLK>, > + <&lpasscc LPASS_Q6SS_AHBS_AON_CLK>, > + <&lpasscc LPASS_Q6SS_AHBM_AON_CLK>, > + <&lpasscc LPASS_QDSP6SS_XO_CLK>, > + <&lpasscc LPASS_QDSP6SS_SLEEP_CLK>, > + <&lpasscc LPASS_QDSP6SS_CORE_CLK>; > + clock-names = "xo", "sway_cbcr", "lpass_aon", > + "lpass_ahbs_aon_cbcr", > + "lpass_ahbm_aon_cbcr", "qdsp6ss_xo", > + "qdsp6ss_sleep", "qdsp6ss_core"; > + > + cx-supply = <&pm8998_s9_level>; > + > + resets = <&pdc_reset PDC_AUDIO_SYNC_RESET>, > + <&aoss_reset AOSS_CC_LPASS_RESTART>; > + reset-names = "pdc_sync", "cc_lpass"; > + > + qcom,halt-regs = <&tcsr_mutex_regs 0x22000>; > + > + memory-region = <&pil_adsp_mem>; > + > + qcom,smem-states = <&adsp_smp2p_out 0>; > + qcom,smem-state-names = "stop"; > + }; -- 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