diff options
Diffstat (limited to 'rr-cache/d933caf45b7472f2f16f0f80f807051a1eefe987/postimage')
-rw-r--r-- | rr-cache/d933caf45b7472f2f16f0f80f807051a1eefe987/postimage | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/rr-cache/d933caf45b7472f2f16f0f80f807051a1eefe987/postimage b/rr-cache/d933caf45b7472f2f16f0f80f807051a1eefe987/postimage new file mode 100644 index 0000000..6e8a9ab --- /dev/null +++ b/rr-cache/d933caf45b7472f2f16f0f80f807051a1eefe987/postimage @@ -0,0 +1,66 @@ +Binding for the Qualcomm APCS global block +========================================== + +This binding describes the APCS "global" block found in various Qualcomm +platforms. + +- compatible: + Usage: required + Value type: <string> + Definition: must be one of: + "qcom,msm8916-apcs-kpss-global", + "qcom,msm8996-apcs-hmss-global" + "qcom,msm8998-apcs-hmss-global" + "qcom,sdm845-apss-shared" + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: must specify the base address and size of the global block +- clocks: + Usage: required if #clocks-cells property is present + Value type: <phandle> + Definition: phandle to the input PLL, which feeds the APCS mux/divider + +- #mbox-cells: + Usage: required + Value type: <u32> + Definition: as described in mailbox.txt, must be 1 + +- #clock-cells: + Usage: optional + Value type: <u32> + Definition: as described in clock.txt, must be 0 + + += EXAMPLE +The following example describes the APCS HMSS found in MSM8996 and part of the +GLINK RPM referencing the "rpm_hlos" doorbell therein. + + apcs_glb: mailbox@9820000 { + compatible = "qcom,msm8996-apcs-hmss-global"; + reg = <0x9820000 0x1000>; + + #mbox-cells = <1>; + }; + + rpm-glink { + compatible = "qcom,glink-rpm"; + + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; + + qcom,rpm-msg-ram = <&rpm_msg_ram>; + + mboxes = <&apcs_glb 0>; + mbox-names = "rpm_hlos"; + }; + +Below is another example of the APCS binding on MSM8916 platforms: + + apcs: mailbox@b011000 { + compatible = "qcom,msm8916-apcs-kpss-global"; + reg = <0xb011000 0x1000>; + #mbox-cells = <1>; + clocks = <&a53pll>; + #clock-cells = <0>; + }; |