On 2021-08-12 18:39, Matthias Kaehlcke wrote:
On Thu, Aug 12, 2021 at 01:11:12PM +0530, Rajesh Patil wrote:
From: Roja Rani Yarubandi <rojay@xxxxxxxxxxxxxx>
Add QSPI DT node and qspi_opp_table for SC7280 SoC.
Signed-off-by: Roja Rani Yarubandi <rojay@xxxxxxxxxxxxxx>
Signed-off-by: Rajesh Patil <rajpat@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 62
++++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 53a21d0..f8dd5ff 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -415,6 +415,25 @@
method = "smc";
};
+ qspi_opp_table: qspi-opp-table {
+ compatible = "operating-points-v2";
+
+ opp-75000000 {
+ opp-hz = /bits/ 64 <75000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ };
+
+ opp-150000000 {
+ opp-hz = /bits/ 64 <150000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
+ opp-300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ };
+ };
+
From v3:
roja> Can we move this "qspi_opp_table" to / from /soc?
bjorn> If you have made a proper attempt to convince Rob and Mark that
bjorn> a child "opp-table" in a SPI master is not a SPI device - and
the
bjorn> conclusion is that this is not a good idea...then yes it should
live
bjorn> outside /soc.
I didn't see a follow up on this, was such an attempt made? Is there a
link to the discussion?
For now I am keeping qspi_opp_table and qup_opp_table outside the SoC
and posting V6.
I will continue the discussion with DT folks and once concluded I will
update as required.
