Thread (24 messages) 24 messages, 4 authors, 2018-12-19

Re: [PATCH v2 2/7] dt-bindings: remoteproc: qcom: Add clock bindings for Q6V5

From: Sibi Sankar <hidden>
Date: 2018-12-19 07:04:59
Also in: linux-arm-msm, linux-remoteproc, lkml

Hi Rob,
Thanks for the review!

On 2018-12-18 22:57, Rob Herring wrote:
On Mon, Dec 17, 2018 at 03:37:19PM +0530, Sibi Sankar wrote:
quoted
Add missing clock bindings for Q6V5 MSS on SDM845 SoCs.

Signed-off-by: Sibi Sankar <redacted>
---
 .../devicetree/bindings/remoteproc/qcom,q6v5.txt       | 10 
+++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git 
a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt 
b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
index 9ff5b0309417..780adc043b37 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
@@ -39,13 +39,17 @@ on the Qualcomm Hexagon core.
 - clocks:
 	Usage: required
 	Value type: <phandle>
-	Definition: reference to the iface, bus and mem clocks to be held on
-		    behalf of the booting of the Hexagon core
+	Definition: reference to the list of 4 clocks for the modem 
sub-system
+		    reference to the list of 8 clocks for the modem sub-system
+		    on SDM845 SoCs

 - clock-names:
 	Usage: required
 	Value type: <stringlist>
-	Definition: must be "iface", "bus", "mem"
+	Definition: must be "iface", "bus", "mem", "xo" for the modem 
sub-system
+		    must be "iface", "bus", "mem", "gpll0_mss", "snoc_axi",
+		    "mnoc_axi", "prng", "xo" for the modem sub-system on SDM845
+		    SoCs
This seems to me a list of all clocks you need enabled, not what clocks
actually go to the modem. Specifically, shouldn't the *noc_axi clocks 
be
managed by the interconnect driver?
clocks = ...,
        <&gcc GCC_MSS_SNOC_AXI_CLK>,
        <&gcc GCC_MSS_MFAB_AXIS_CLK>,
          ...;
clock-names = ..., "snoc_axi", "mnoc_axi",...;

snoc_axi and mnoc_axi maps to above GCC clks and
both of them fall under the MSS functional group
Rob
-- 
-- Sibi Sankar --
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.
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