diff mbox series

[9/9] arm64: dts: qcom: sc7280: Update Q6V5 MSS node

Message ID 1624564058-24095-10-git-send-email-sibis@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series Add Modem support on SC7280 SoCs | expand

Commit Message

Sibi Sankar June 24, 2021, 7:47 p.m. UTC 
Update MSS node to support MSA based modem boot on SC7280 SoCs.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7280-idp.dts |  7 +++++++
 arch/arm64/boot/dts/qcom/sc7280.dtsi    | 19 ++++++++++++++++---
 2 files changed, 23 insertions(+), 3 deletions(-)

Comments

Matthias Kaehlcke June 28, 2021, 7:05 p.m. UTC | #1 
On Fri, Jun 25, 2021 at 01:17:38AM +0530, Sibi Sankar wrote:
> Update MSS node to support MSA based modem boot on SC7280 SoCs.
> 
> Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7280-idp.dts |  7 +++++++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi    | 19 ++++++++++++++++---
>  2 files changed, 23 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> index 191e8a92d153..d66e3ca42ad5 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> @@ -343,3 +343,10 @@
>  		bias-pull-up;
>  	};
>  };
> +
> +&remoteproc_mpss {
> +	status = "okay";
> +	compatible = "qcom,sc7280-mss-pil";
> +	iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
> +	memory-region = <&mba_mem &mpss_mem>;
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 56ea172f641f..6d3687744440 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -586,7 +586,8 @@
>  
>  		remoteproc_mpss: remoteproc@4080000 {
>  			compatible = "qcom,sc7280-mpss-pas";
> -			reg = <0 0x04080000 0 0x10000>;
> +			reg = <0 0x04080000 0 0x10000>, <0 0x04180000 0 0x48>;
> +			reg-names = "qdsp6", "rmb";

Binding needs update?

Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml:

  reg:
      maxItems: 1

>  
>  			interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
>  					      <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
> @@ -597,8 +598,11 @@
>  			interrupt-names = "wdog", "fatal", "ready", "handover",
>  					  "stop-ack", "shutdown-ack";
>  
> -			clocks = <&rpmhcc RPMH_CXO_CLK>;
> -			clock-names = "xo";
> +			clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
> +				 <&gcc GCC_MSS_OFFLINE_AXI_CLK>,
> +				 <&gcc GCC_MSS_SNOC_AXI_CLK>,
> +				 <&rpmhcc RPMH_CXO_CLK>;
> +			clock-names = "iface", "offline", "snoc_axi", "xo";

Binding needs update?

Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml:

  clocks:
    items:
      - description: XO clock
  clock-names:
    items:
      - const: xo
Sibi Sankar June 30, 2021, 8:08 p.m. UTC | #2 
On 2021-06-29 00:35, Matthias Kaehlcke wrote:
> On Fri, Jun 25, 2021 at 01:17:38AM +0530, Sibi Sankar wrote:
>> Update MSS node to support MSA based modem boot on SC7280 SoCs.
>> 
>> Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
>> ---
>>  arch/arm64/boot/dts/qcom/sc7280-idp.dts |  7 +++++++
>>  arch/arm64/boot/dts/qcom/sc7280.dtsi    | 19 ++++++++++++++++---
>>  2 files changed, 23 insertions(+), 3 deletions(-)
>> 
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts 
>> b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
>> index 191e8a92d153..d66e3ca42ad5 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
>> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
>> @@ -343,3 +343,10 @@
>>  		bias-pull-up;
>>  	};
>>  };
>> +
>> +&remoteproc_mpss {
>> +	status = "okay";
>> +	compatible = "qcom,sc7280-mss-pil";
>> +	iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
>> +	memory-region = <&mba_mem &mpss_mem>;
>> +};
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi 
>> b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index 56ea172f641f..6d3687744440 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -586,7 +586,8 @@
>> 
>>  		remoteproc_mpss: remoteproc@4080000 {
>>  			compatible = "qcom,sc7280-mpss-pas";
>> -			reg = <0 0x04080000 0 0x10000>;
>> +			reg = <0 0x04080000 0 0x10000>, <0 0x04180000 0 0x48>;
>> +			reg-names = "qdsp6", "rmb";
> 
> Binding needs update?
> 
> Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml:
> 
>   reg:
>       maxItems: 1
> 
>> 
>>  			interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
>>  					      <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
>> @@ -597,8 +598,11 @@
>>  			interrupt-names = "wdog", "fatal", "ready", "handover",
>>  					  "stop-ack", "shutdown-ack";
>> 
>> -			clocks = <&rpmhcc RPMH_CXO_CLK>;
>> -			clock-names = "xo";
>> +			clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
>> +				 <&gcc GCC_MSS_OFFLINE_AXI_CLK>,
>> +				 <&gcc GCC_MSS_SNOC_AXI_CLK>,
>> +				 <&rpmhcc RPMH_CXO_CLK>;
>> +			clock-names = "iface", "offline", "snoc_axi", "xo";
> 
> Binding needs update?
> 
> Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml:
> 
>   clocks:
>     items:
>       - description: XO clock
>   clock-names:
>     items:
>       - const: xo

qcom,sc7280-mpss-pas compatible requires
just the xo clock and one reg space whereas
the qcom,sc7280-mss-pil compatible requires
the additional clks and reg spaces. We just
overload properties where re-use is possible
across boards. Hence it would be wrong to
list those clks/reg spaces as requirements
for the pas compatible.
Bjorn Andersson July 30, 2021, 6:14 p.m. UTC | #3 
On Wed 30 Jun 15:08 CDT 2021, Sibi Sankar wrote:

> On 2021-06-29 00:35, Matthias Kaehlcke wrote:
> > On Fri, Jun 25, 2021 at 01:17:38AM +0530, Sibi Sankar wrote:
> > > Update MSS node to support MSA based modem boot on SC7280 SoCs.
> > > 
> > > Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
> > > ---
> > >  arch/arm64/boot/dts/qcom/sc7280-idp.dts |  7 +++++++
> > >  arch/arm64/boot/dts/qcom/sc7280.dtsi    | 19 ++++++++++++++++---
> > >  2 files changed, 23 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> > > b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> > > index 191e8a92d153..d66e3ca42ad5 100644
> > > --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> > > +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> > > @@ -343,3 +343,10 @@
> > >  		bias-pull-up;
> > >  	};
> > >  };
> > > +
> > > +&remoteproc_mpss {
> > > +	status = "okay";
> > > +	compatible = "qcom,sc7280-mss-pil";
> > > +	iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
> > > +	memory-region = <&mba_mem &mpss_mem>;
> > > +};
> > > diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> > > b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> > > index 56ea172f641f..6d3687744440 100644
> > > --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> > > @@ -586,7 +586,8 @@
> > > 
> > >  		remoteproc_mpss: remoteproc@4080000 {
> > >  			compatible = "qcom,sc7280-mpss-pas";
> > > -			reg = <0 0x04080000 0 0x10000>;
> > > +			reg = <0 0x04080000 0 0x10000>, <0 0x04180000 0 0x48>;
> > > +			reg-names = "qdsp6", "rmb";
> > 
> > Binding needs update?
> > 
> > Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml:
> > 
> >   reg:
> >       maxItems: 1
> > 
> > > 
> > >  			interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
> > >  					      <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
> > > @@ -597,8 +598,11 @@
> > >  			interrupt-names = "wdog", "fatal", "ready", "handover",
> > >  					  "stop-ack", "shutdown-ack";
> > > 
> > > -			clocks = <&rpmhcc RPMH_CXO_CLK>;
> > > -			clock-names = "xo";
> > > +			clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
> > > +				 <&gcc GCC_MSS_OFFLINE_AXI_CLK>,
> > > +				 <&gcc GCC_MSS_SNOC_AXI_CLK>,
> > > +				 <&rpmhcc RPMH_CXO_CLK>;
> > > +			clock-names = "iface", "offline", "snoc_axi", "xo";
> > 
> > Binding needs update?
> > 
> > Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml:
> > 
> >   clocks:
> >     items:
> >       - description: XO clock
> >   clock-names:
> >     items:
> >       - const: xo
> 
> qcom,sc7280-mpss-pas compatible requires
> just the xo clock and one reg space whereas
> the qcom,sc7280-mss-pil compatible requires
> the additional clks and reg spaces. We just
> overload properties where re-use is possible
> across boards. Hence it would be wrong to
> list those clks/reg spaces as requirements
> for the pas compatible.
> 

Our decision to describe the platform node as a superset of the
resources needed by the pas and pil variants was never reflected in the
DT bindings; resulting in the issue that the superset doesn't validate
against the pas binding and both bindings are full of platform-specific
conditionals.

To resolve the two issues I think we should split the current binding(s)
in a set of platform-centric bindings, that captures the idea of
describing the superset.

To reduce the duplication - that already exists between the two
bindings - I think we should break those out in a common part.


I'm however fine with not delaying this series further, if we agree that
the end result matches what we would put in a combined qcom,sc7280-mpss
binding.

Regards,
Bjorn
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
index 191e8a92d153..d66e3ca42ad5 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
@@ -343,3 +343,10 @@ 
 		bias-pull-up;
 	};
 };
+
+&remoteproc_mpss {
+	status = "okay";
+	compatible = "qcom,sc7280-mss-pil";
+	iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
+	memory-region = <&mba_mem &mpss_mem>;
+};
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 56ea172f641f..6d3687744440 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -586,7 +586,8 @@ 
 
 		remoteproc_mpss: remoteproc@4080000 {
 			compatible = "qcom,sc7280-mpss-pas";
-			reg = <0 0x04080000 0 0x10000>;
+			reg = <0 0x04080000 0 0x10000>, <0 0x04180000 0 0x48>;
+			reg-names = "qdsp6", "rmb";
 
 			interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
 					      <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
@@ -597,8 +598,11 @@ 
 			interrupt-names = "wdog", "fatal", "ready", "handover",
 					  "stop-ack", "shutdown-ack";
 
-			clocks = <&rpmhcc RPMH_CXO_CLK>;
-			clock-names = "xo";
+			clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
+				 <&gcc GCC_MSS_OFFLINE_AXI_CLK>,
+				 <&gcc GCC_MSS_SNOC_AXI_CLK>,
+				 <&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "iface", "offline", "snoc_axi", "xo";
 
 			power-domains = <&rpmhpd SC7280_CX>,
 					<&rpmhpd SC7280_MSS>;
@@ -611,6 +615,15 @@ 
 			qcom,smem-states = <&modem_smp2p_out 0>;
 			qcom,smem-state-names = "stop";
 
+			resets = <&aoss_reset AOSS_CC_MSS_RESTART>,
+				 <&pdc_reset PDC_MODEM_SYNC_RESET>;
+			reset-names = "mss_restart", "pdc_reset";
+
+			qcom,halt-regs = <&tcsr_mutex 0x23000 0x25000 0x28000 0x33000>;
+			qcom,ext-regs = <&tcsr_regs 0x10000 0x10004
+					 &tcsr_mutex 0x26004 0x26008>;
+			qcom,qaccept-regs = <&tcsr_mutex 0x23030 0x23040 0x23020>;
+
 			status = "disabled";
 
 			glink-edge {