Re: [PATCH v2 2/6] arm: dts: mt2701: Add iommu/smi device node

Honghui Zhang
2017-01-16T02:54:12Z

On Fri, 2017-01-13 at 16:05 +0100, Matthias Brugger wrote:
> Hi Erin,
>
> I just took the patch from Honghui he send in june.
> Please see my comment inline.
>
> On 13/01/17 09:42, Erin Lo wrote:
> > From: Honghui Zhang <honghui.zhang@mediatek.com>
> >
> > Add the device node of iommu and smi for MT2701.
> >
> > Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
> > Signed-off-by: Erin Lo <erin.lo@mediatek.com>
> > ---
> > arch/arm/boot/dts/mt2701.dtsi | 54 +++++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 54 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi
> > index eb4c6fd..87be52c 100644
> > --- a/arch/arm/boot/dts/mt2701.dtsi
> > +++ b/arch/arm/boot/dts/mt2701.dtsi
> > @@ -17,6 +17,7 @@
> > #include <dt-bindings/interrupt-controller/irq.h>
> > #include <dt-bindings/interrupt-controller/arm-gic.h>
> > #include <dt-bindings/reset/mt2701-resets.h>
> > +#include <dt-bindings/memory/mt2701-larb-port.h>
> > #include "skeleton64.dtsi"
> > #include "mt2701-pinfunc.h"
> >
> > @@ -161,6 +162,16 @@
> > clock-names = "system-clk", "rtc-clk";
> > };
> >
> > + smi_common: smi@1000c000 {
> > + compatible = "mediatek,mt2701-smi-common";
> > + reg = <0 0x1000c000 0 0x1000>;
> > + clocks = <&infracfg CLK_INFRA_SMI>,
> > + <&mmsys CLK_MM_SMI_COMMON>,
> > + <&infracfg CLK_INFRA_SMI>;
> > + clock-names = "apb", "smi", "async";
> > + power-domains = <&scpsys MT2701_POWER_DOMAIN_DISP>;
> > + };
> > +
> > sysirq: interrupt-controller@10200100 {
> > compatible = "mediatek,mt2701-sysirq",
> > "mediatek,mt6577-sysirq";
> > @@ -170,6 +181,16 @@
> > reg = <0 0x10200100 0 0x1c>;
> > };
> >
> > + iommu: mmsys_iommu@10205000 {
> > + compatible = "mediatek,mt2701-m4u";
> > + reg = <0 0x10205000 0 0x1000>;
> > + interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_LOW>;
> > + clocks = <&infracfg CLK_INFRA_M4U>;
> > + clock-names = "bclk";
> > + mediatek,larbs = <&larb0 &larb1 &larb2>;
> > + #iommu-cells = <1>;
> > + };
> > +
> > apmixedsys: syscon@10209000 {
> > compatible = "mediatek,mt2701-apmixedsys", "syscon";
> > reg = <0 0x10209000 0 0x1000>;
> > @@ -272,18 +293,51 @@
> > #clock-cells = <1>;
> > };
> >
> > + larb0: larb@14010000 {
> > + compatible = "mediatek,mt2701-smi-larb";
> > + reg = <0 0x14010000 0 0x1000>;
> > + mediatek,smi = <&smi_common>;
> > + mediatek,larbidx = <0>;
>
> Did I miss something? 'mediatek,larbidx' does not sound familiar to me.
>

Hi, Mathias,
It's my mistake, we found a bug need this to fix in smi driver,
but I mix those patches together and make it un-clear.

I will send new patch serial to add the 'mediatek,larbidx' later since
you have applied the last one.

thanks very much.

> Regards,
> Matthias
>
> > + clocks = <&mmsys CLK_MM_SMI_LARB0>,
> > + <&mmsys CLK_MM_SMI_LARB0>;
> > + clock-names = "apb", "smi";
> > + power-domains = <&scpsys MT2701_POWER_DOMAIN_DISP>;
> > + };
> > +
> > imgsys: syscon@15000000 {
> > compatible = "mediatek,mt2701-imgsys", "syscon";
> > reg = <0 0x15000000 0 0x1000>;
> > #clock-cells = <1>;
> > };
> >
> > + larb2: larb@15001000 {
> > + compatible = "mediatek,mt2701-smi-larb";
> > + reg = <0 0x15001000 0 0x1000>;
> > + mediatek,smi = <&smi_common>;
> > + mediatek,larbidx = <2>;
> > + clocks = <&imgsys CLK_IMG_SMI_COMM>,
> > + <&imgsys CLK_IMG_SMI_COMM>;
> > + clock-names = "apb", "smi";
> > + power-domains = <&scpsys MT2701_POWER_DOMAIN_ISP>;
> > + };
> > +
> > vdecsys: syscon@16000000 {
> > compatible = "mediatek,mt2701-vdecsys", "syscon";
> > reg = <0 0x16000000 0 0x1000>;
> > #clock-cells = <1>;
> > };
> >
> > + larb1: larb@16010000 {
> > + compatible = "mediatek,mt2701-smi-larb";
> > + reg = <0 0x16010000 0 0x1000>;
> > + mediatek,smi = <&smi_common>;
> > + mediatek,larbidx = <1>;
> > + clocks = <&vdecsys CLK_VDEC_CKGEN>,
> > + <&vdecsys CLK_VDEC_LARB>;
> > + clock-names = "apb", "smi";
> > + power-domains = <&scpsys MT2701_POWER_DOMAIN_VDEC>;
> > + };
> > +
> > hifsys: syscon@1a000000 {
> > compatible = "mediatek,mt2701-hifsys", "syscon";
> > reg = <0 0x1a000000 0 0x1000>;
> >