On Mon, 20 Sept 2021 at 04:52, Bjorn Andersson
<bjorn.andersson@xxxxxxxxxx> wrote:
>
> On Thu 02 Sep 16:47 CDT 2021, Robert Marko wrote:
>
> > IPQ8074 uses SMEM like other modern QCA SoC-s, so since its already
> > supported by the kernel add the required DT nodes.
> >
> > Signed-off-by: Robert Marko <robimarko@xxxxxxxxx>
>
> Thanks for your patch Robert.
>
> > ---
> > arch/arm64/boot/dts/qcom/ipq8074.dtsi | 28 +++++++++++++++++++++++++++
> > 1 file changed, 28 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> > index a620ac0d0b19..83e9243046aa 100644
> > --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> > @@ -82,6 +82,29 @@ scm {
> > };
> > };
> >
> > + reserved-memory {
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > + ranges;
> > +
> > + smem_region: memory@4ab00000 {
> > + no-map;
> > + reg = <0x0 0x4ab00000 0x0 0x00100000>;
> > + };
> > + };
> > +
> > + tcsr_mutex: hwlock {
> > + compatible = "qcom,tcsr-mutex";
> > + syscon = <&tcsr_mutex_regs 0 0x80>;
>
> Since it's not okay to have a lone "syscon" and I didn't think it was
> worth coming up with a binding for the TCSR mutex "syscon" I rewrote the
> binding a while back. As such qcom,tcsr-mutex should now live in /soc
> directly.
>
> So can you please respin accordingly?
Sure, can you just confirm that the:
reg = <0x01905000 0x8000>;
Is the whole TCSR range as I don't have docs?
Regards,
Robert
>
> Thanks,
> Bjorn
>
> > + #hwlock-cells = <1>;
> > + };
> > +
> > + smem {
> > + compatible = "qcom,smem";
> > + memory-region = <&smem_region>;
> > + hwlocks = <&tcsr_mutex 0>;
> > + };
> > +
> > soc: soc {
> > #address-cells = <0x1>;
> > #size-cells = <0x1>;
> > @@ -293,6 +316,11 @@ gcc: gcc@1800000 {
> > #reset-cells = <0x1>;
> > };
> >
> > + tcsr_mutex_regs: syscon@1905000 {
> > + compatible = "syscon";
> > + reg = <0x01905000 0x8000>;
> > + };
> > +
> > sdhc_1: sdhci@7824900 {
> > compatible = "qcom,sdhci-msm-v4";
> > reg = <0x7824900 0x500>, <0x7824000 0x800>;
> > --
> > 2.31.1
> >
