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SubjectRE: [PATCH] ARM: dts: imx: drop "fsl,aips-bus"
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Hi Rob,

> Subject: Re: [PATCH] ARM: dts: imx: drop "fsl,aips-bus"
>
> On Mon, Dec 30, 2019 at 08:58:05AM +0000, Peng Fan wrote:
> > From: Peng Fan <peng.fan@nxp.com>
> >
> > There is no binding doc for "fsl,aips-bus", "simple-bus" is enough for
> > aips usage, so drop it.
>
> NAK. The AIPS bus has registers, so 'simple-bus' alone is not enough.

You mean the "reg" property below, right?
aips-bus@2000000 { /* AIPS1 */
- compatible = "fsl,aips-bus", "simple-bus";
+ compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x02000000 0x100000>;

But the reg property is not required, I think it could be removed.
There is no binding doc and driver for "fsl,aips-bus", so I think
It not make sense to have that compatible in dts.

>
> What you should do is change 'aips' node names to 'bus'.

How do you think about below change, with reg removed?
aips-bus@2000000 { /* AIPS1 */
- compatible = "fsl,aips-bus", "simple-bus";
+ compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
- reg = <0x02000000 0x100000>;

Thanks,
Peng.
>
> >
> > Scirpt:
> > sed -i 's/compatible = "fsl,aips-bus", "simple-bus";/compatible =
> "simple-bus";/'
> > arch/arm/boot/dts/imx*
> >
> > Signed-off-by: Peng Fan <peng.fan@nxp.com>
> > ---
> > arch/arm/boot/dts/imx25.dtsi | 4 ++--
> > arch/arm/boot/dts/imx31.dtsi | 4 ++--
> > arch/arm/boot/dts/imx50.dtsi | 4 ++--
> > arch/arm/boot/dts/imx51.dtsi | 4 ++--
> > arch/arm/boot/dts/imx53.dtsi | 4 ++--
> > arch/arm/boot/dts/imx6qdl.dtsi | 4 ++--
> > arch/arm/boot/dts/imx6sl.dtsi | 4 ++--
> > arch/arm/boot/dts/imx6sll.dtsi | 4 ++-- arch/arm/boot/dts/imx6sx.dtsi
> > | 6 +++--- arch/arm/boot/dts/imx6ul.dtsi | 4 ++--
> > arch/arm/boot/dts/imx6ull.dtsi | 2 +-
> > arch/arm/boot/dts/imx7s.dtsi | 6 +++---
> > 12 files changed, 25 insertions(+), 25 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/imx25.dtsi
> > b/arch/arm/boot/dts/imx25.dtsi index 40b95a290bd6..3b7a0b249d80
> 100644
> > --- a/arch/arm/boot/dts/imx25.dtsi
> > +++ b/arch/arm/boot/dts/imx25.dtsi
> > @@ -76,7 +76,7 @@
> > ranges;
> >
> > aips@43f00000 { /* AIPS1 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x43f00000 0x100000>;
> > @@ -333,7 +333,7 @@
> > };
> >
> > aips@53f00000 { /* AIPS2 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x53f00000 0x100000>;
> > diff --git a/arch/arm/boot/dts/imx31.dtsi
> > b/arch/arm/boot/dts/imx31.dtsi index 6b62f0745b82..b0e7e3bf8a1a
> 100644
> > --- a/arch/arm/boot/dts/imx31.dtsi
> > +++ b/arch/arm/boot/dts/imx31.dtsi
> > @@ -64,7 +64,7 @@
> > };
> >
> > aips@43f00000 { /* AIPS1 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x43f00000 0x100000>;
> > @@ -226,7 +226,7 @@
> > };
> >
> > aips@53f00000 { /* AIPS2 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x53f00000 0x100000>;
> > diff --git a/arch/arm/boot/dts/imx50.dtsi
> > b/arch/arm/boot/dts/imx50.dtsi index 0bfe7c91d0eb..961de09b571d
> 100644
> > --- a/arch/arm/boot/dts/imx50.dtsi
> > +++ b/arch/arm/boot/dts/imx50.dtsi
> > @@ -102,7 +102,7 @@
> > ranges;
> >
> > aips@50000000 { /* AIPS1 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x50000000 0x10000000>;
> > @@ -390,7 +390,7 @@
> > };
> >
> > aips@60000000 { /* AIPS2 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x60000000 0x10000000>;
> > diff --git a/arch/arm/boot/dts/imx51.dtsi
> > b/arch/arm/boot/dts/imx51.dtsi index dea86b98e9c3..86708688371b
> 100644
> > --- a/arch/arm/boot/dts/imx51.dtsi
> > +++ b/arch/arm/boot/dts/imx51.dtsi
> > @@ -159,7 +159,7 @@
> > };
> >
> > aips@70000000 { /* AIPS1 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x70000000 0x10000000>;
> > @@ -441,7 +441,7 @@
> > };
> >
> > aips@80000000 { /* AIPS2 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x80000000 0x10000000>;
> > diff --git a/arch/arm/boot/dts/imx53.dtsi
> > b/arch/arm/boot/dts/imx53.dtsi index ed341cfd9d09..f46a83c7d2c4
> 100644
> > --- a/arch/arm/boot/dts/imx53.dtsi
> > +++ b/arch/arm/boot/dts/imx53.dtsi
> > @@ -223,7 +223,7 @@
> > };
> >
> > aips@50000000 { /* AIPS1 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x50000000 0x10000000>;
> > @@ -655,7 +655,7 @@
> > };
> >
> > aips@60000000 { /* AIPS2 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x60000000 0x10000000>;
> > diff --git a/arch/arm/boot/dts/imx6qdl.dtsi
> > b/arch/arm/boot/dts/imx6qdl.dtsi index e6b4b8525f98..9b7635e9cf3c
> > 100644
> > --- a/arch/arm/boot/dts/imx6qdl.dtsi
> > +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> > @@ -295,7 +295,7 @@
> > };
> >
> > aips-bus@2000000 { /* AIPS1 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02000000 0x100000>;
> > @@ -936,7 +936,7 @@
> > };
> >
> > aips-bus@2100000 { /* AIPS2 */
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02100000 0x100000>;
> > diff --git a/arch/arm/boot/dts/imx6sl.dtsi
> > b/arch/arm/boot/dts/imx6sl.dtsi index 59c54e6ad09a..4b4f22217dfe
> > 100644
> > --- a/arch/arm/boot/dts/imx6sl.dtsi
> > +++ b/arch/arm/boot/dts/imx6sl.dtsi
> > @@ -144,7 +144,7 @@
> > };
> >
> > aips1: aips-bus@2000000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02000000 0x100000>;
> > @@ -787,7 +787,7 @@
> > };
> >
> > aips2: aips-bus@2100000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02100000 0x100000>;
> > diff --git a/arch/arm/boot/dts/imx6sll.dtsi
> > b/arch/arm/boot/dts/imx6sll.dtsi index a1bc5bb31756..fac8f22255aa
> > 100644
> > --- a/arch/arm/boot/dts/imx6sll.dtsi
> > +++ b/arch/arm/boot/dts/imx6sll.dtsi
> > @@ -145,7 +145,7 @@
> > };
> >
> > aips1: aips-bus@2000000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02000000 0x100000>;
> > @@ -664,7 +664,7 @@
> > };
> >
> > aips2: aips-bus@2100000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02100000 0x100000>;
> > diff --git a/arch/arm/boot/dts/imx6sx.dtsi
> > b/arch/arm/boot/dts/imx6sx.dtsi index 59bad60a47dc..4499be62c8bb
> > 100644
> > --- a/arch/arm/boot/dts/imx6sx.dtsi
> > +++ b/arch/arm/boot/dts/imx6sx.dtsi
> > @@ -236,7 +236,7 @@
> > };
> >
> > aips1: aips-bus@2000000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02000000 0x100000>;
> > @@ -831,7 +831,7 @@
> > };
> >
> > aips2: aips-bus@2100000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02100000 0x100000>;
> > @@ -1189,7 +1189,7 @@
> > };
> >
> > aips3: aips-bus@2200000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02200000 0x100000>;
> > diff --git a/arch/arm/boot/dts/imx6ul.dtsi
> > b/arch/arm/boot/dts/imx6ul.dtsi index d9fdca12819b..63d276fc2477
> > 100644
> > --- a/arch/arm/boot/dts/imx6ul.dtsi
> > +++ b/arch/arm/boot/dts/imx6ul.dtsi
> > @@ -205,7 +205,7 @@
> > };
> >
> > aips1: aips-bus@2000000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02000000 0x100000>;
> > @@ -772,7 +772,7 @@
> > };
> >
> > aips2: aips-bus@2100000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02100000 0x100000>;
> > diff --git a/arch/arm/boot/dts/imx6ull.dtsi
> > b/arch/arm/boot/dts/imx6ull.dtsi index b7e67d121322..633fa08bc972
> > 100644
> > --- a/arch/arm/boot/dts/imx6ull.dtsi
> > +++ b/arch/arm/boot/dts/imx6ull.dtsi
> > @@ -52,7 +52,7 @@
> > / {
> > soc {
> > aips3: aips-bus@2200000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x02200000 0x100000>;
> > diff --git a/arch/arm/boot/dts/imx7s.dtsi
> > b/arch/arm/boot/dts/imx7s.dtsi index 139ab9b98472..552b14be14a1
> 100644
> > --- a/arch/arm/boot/dts/imx7s.dtsi
> > +++ b/arch/arm/boot/dts/imx7s.dtsi
> > @@ -317,7 +317,7 @@
> > };
> >
> > aips1: aips-bus@30000000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x30000000 0x400000>;
> > @@ -669,7 +669,7 @@
> > };
> >
> > aips2: aips-bus@30400000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x30400000 0x400000>;
> > @@ -809,7 +809,7 @@
> > };
> >
> > aips3: aips-bus@30800000 {
> > - compatible = "fsl,aips-bus", "simple-bus";
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > reg = <0x30800000 0x400000>;
> > --
> > 2.16.4
> >

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