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Date: Tue, 16 Nov 2010 22:03:48 -0700
From: Grant Likely <grant.likely@...retlab.ca>
To: John Bonesio <bones@...retlab.ca>
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
jdl@....com, glikely@...retlab.ca,
devicetree-discuss@...ts.ozlabs.org, david@...son.dropbear.id.au
Subject: Re: [PATCH 2/5] powerpc/5200: dts: rename nodes to prepare for
refactoring dts files
On Tue, Nov 16, 2010 at 12:50:02PM -0800, John Bonesio wrote:
> This patch renames nodes in dts fils for MPC5200b files to prepare for
> refactoring of these files later. When refactoring it will be easier to verify
> the results if the node names aren't changing at the same time.
>
> Signed-off-by: John Bonesio <bones@...retlab.ca>
David, as you can see, the current features in DTC require the mpc5200
dts files to back off from the generic names recommended practise.
ie. a psc in serial port mode is can no longer be called
"serial@<addr>" without completely deleting the psc node and replacing
it with a serial node. Neither John nor I foresaw this situation
until John actually tried implementing a shared mpc5200.dtsi file.
What do you think? Is node rename a feature that dtc should have?
g.
> ---
>
> arch/powerpc/boot/dts/cm5200.dts | 8 ++++----
> arch/powerpc/boot/dts/digsy_mtc.dts | 6 +++---
> arch/powerpc/boot/dts/lite5200b.dts | 2 +-
> arch/powerpc/boot/dts/media5200.dts | 2 +-
> arch/powerpc/boot/dts/motionpro.dts | 10 +++++-----
> arch/powerpc/boot/dts/mucmc52.dts | 6 +++---
> arch/powerpc/boot/dts/pcm030.dts | 6 +++---
> arch/powerpc/boot/dts/pcm032.dts | 6 +++---
> arch/powerpc/boot/dts/uc101.dts | 6 +++---
> 9 files changed, 26 insertions(+), 26 deletions(-)
>
> diff --git a/arch/powerpc/boot/dts/cm5200.dts b/arch/powerpc/boot/dts/cm5200.dts
> index dd38608..9369dcd 100644
> --- a/arch/powerpc/boot/dts/cm5200.dts
> +++ b/arch/powerpc/boot/dts/cm5200.dts
> @@ -160,25 +160,25 @@
> reg = <0x1f00 0x100>;
> };
>
> - serial@...0 { // PSC1
> + psc@...0 { // PSC1
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2000 0x100>;
> interrupts = <2 1 0>;
> };
>
> - serial@...0 { // PSC2
> + psc@...0 { // PSC2
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2200 0x100>;
> interrupts = <2 2 0>;
> };
>
> - serial@...0 { // PSC3
> + psc@...0 { // PSC3
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2400 0x100>;
> interrupts = <2 3 0>;
> };
>
> - serial@...0 { // PSC6
> + psc@...0 { // PSC6
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2c00 0x100>;
> interrupts = <2 4 0>;
> diff --git a/arch/powerpc/boot/dts/digsy_mtc.dts b/arch/powerpc/boot/dts/digsy_mtc.dts
> index 8e9be6b..f0592de 100644
> --- a/arch/powerpc/boot/dts/digsy_mtc.dts
> +++ b/arch/powerpc/boot/dts/digsy_mtc.dts
> @@ -155,13 +155,13 @@
> reg = <0x1f00 0x100>;
> };
>
> - serial@...0 { // PSC4
> + psc@...0 { // PSC4
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2600 0x100>;
> interrupts = <2 11 0>;
> };
>
> - serial@...0 { // PSC5
> + psc@...0 { // PSC5
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2800 0x100>;
> interrupts = <2 12 0>;
> @@ -217,7 +217,7 @@
> };
> };
>
> - lpb {
> + localbus {
> compatible = "fsl,mpc5200b-lpb","simple-bus";
> #address-cells = <2>;
> #size-cells = <1>;
> diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts
> index 59702ac..a74b790 100644
> --- a/arch/powerpc/boot/dts/lite5200b.dts
> +++ b/arch/powerpc/boot/dts/lite5200b.dts
> @@ -172,7 +172,7 @@
> reg = <0x1f00 0x100>;
> };
>
> - serial@...0 { // PSC1
> + psc@...0 { // PSC1
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> cell-index = <0>;
> reg = <0x2000 0x100>;
> diff --git a/arch/powerpc/boot/dts/media5200.dts b/arch/powerpc/boot/dts/media5200.dts
> index 0c3902b..a70ef68 100644
> --- a/arch/powerpc/boot/dts/media5200.dts
> +++ b/arch/powerpc/boot/dts/media5200.dts
> @@ -183,7 +183,7 @@
> };
>
> // PSC6 in uart mode
> - console: serial@...0 { // PSC6
> + console: psc@...0 { // PSC6
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> cell-index = <5>;
> port-number = <0>; // Logical port assignment
> diff --git a/arch/powerpc/boot/dts/motionpro.dts b/arch/powerpc/boot/dts/motionpro.dts
> index 6ca4fc1..f6261ea 100644
> --- a/arch/powerpc/boot/dts/motionpro.dts
> +++ b/arch/powerpc/boot/dts/motionpro.dts
> @@ -100,7 +100,7 @@
> interrupts = <1 14 0>;
> };
>
> - motionpro-led@660 { // Motion-PRO status LED
> + timer@660 { // Motion-PRO status LED
> compatible = "promess,motionpro-led";
> label = "motionpro-statusled";
> reg = <0x660 0x10>;
> @@ -108,7 +108,7 @@
> blink-delay = <100>; // 100 msec
> };
>
> - motionpro-led@670 { // Motion-PRO ready LED
> + timer@670 { // Motion-PRO ready LED
> compatible = "promess,motionpro-led";
> label = "motionpro-readyled";
> reg = <0x670 0x10>;
> @@ -169,14 +169,14 @@
> reg = <0x1f00 0x100>;
> };
>
> - serial@...0 { // PSC1
> + psc@...0 { // PSC1
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2000 0x100>;
> interrupts = <2 1 0>;
> };
>
> // PSC2 in spi master mode
> - spi@...0 { // PSC2
> + psc@...0 { // PSC2
> compatible = "fsl,mpc5200b-psc-spi","fsl,mpc5200-psc-spi";
> cell-index = <1>;
> reg = <0x2200 0x100>;
> @@ -184,7 +184,7 @@
> };
>
> // PSC5 in uart mode
> - serial@...0 { // PSC5
> + psc@...0 { // PSC5
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2800 0x100>;
> interrupts = <2 12 0>;
> diff --git a/arch/powerpc/boot/dts/mucmc52.dts b/arch/powerpc/boot/dts/mucmc52.dts
> index b72a758..8dc212d 100644
> --- a/arch/powerpc/boot/dts/mucmc52.dts
> +++ b/arch/powerpc/boot/dts/mucmc52.dts
> @@ -126,19 +126,19 @@
> reg = <0x1f00 0x100>;
> };
>
> - serial@...0 { /* PSC1 in UART mode */
> + psc@...0 { /* PSC1 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2000 0x100>;
> interrupts = <2 1 0>;
> };
>
> - serial@...0 { /* PSC2 in UART mode */
> + psc@...0 { /* PSC2 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2200 0x100>;
> interrupts = <2 2 0>;
> };
>
> - serial@...0 { /* PSC6 in UART mode */
> + psc@...0 { /* PSC6 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2c00 0x100>;
> interrupts = <2 4 0>;
> diff --git a/arch/powerpc/boot/dts/pcm030.dts b/arch/powerpc/boot/dts/pcm030.dts
> index 8a4ec30..3a4f554 100644
> --- a/arch/powerpc/boot/dts/pcm030.dts
> +++ b/arch/powerpc/boot/dts/pcm030.dts
> @@ -185,7 +185,7 @@
> reg = <0x1f00 0x100>;
> };
>
> - ac97@...0 { /* PSC1 in ac97 mode */
> + psc@...0 { /* PSC1 in ac97 mode */
> compatible = "mpc5200b-psc-ac97","fsl,mpc5200b-psc-ac97";
> cell-index = <0>;
> reg = <0x2000 0x100>;
> @@ -194,7 +194,7 @@
>
> /* PSC2 port is used by CAN1/2 */
>
> - serial@...0 { /* PSC3 in UART mode */
> + psc@...0 { /* PSC3 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> cell-index = <2>;
> reg = <0x2400 0x100>;
> @@ -205,7 +205,7 @@
>
> /* PSC5 is ??? */
>
> - serial@...0 { /* PSC6 in UART mode */
> + psc@...0 { /* PSC6 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> cell-index = <5>;
> reg = <0x2c00 0x100>;
> diff --git a/arch/powerpc/boot/dts/pcm032.dts b/arch/powerpc/boot/dts/pcm032.dts
> index 85d857a..17596c7 100644
> --- a/arch/powerpc/boot/dts/pcm032.dts
> +++ b/arch/powerpc/boot/dts/pcm032.dts
> @@ -185,7 +185,7 @@
> reg = <0x1f00 0x100>;
> };
>
> - ac97@...0 { /* PSC1 is ac97 */
> + psc@...0 { /* PSC1 is ac97 */
> compatible = "fsl,mpc5200b-psc-ac97","fsl,mpc5200-psc-ac97";
> cell-index = <0>;
> reg = <0x2000 0x100>;
> @@ -194,7 +194,7 @@
>
> /* PSC2 port is used by CAN1/2 */
>
> - serial@...0 { /* PSC3 in UART mode */
> + psc@...0 { /* PSC3 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> cell-index = <2>;
> reg = <0x2400 0x100>;
> @@ -205,7 +205,7 @@
>
> /* PSC5 is ??? */
>
> - serial@...0 { /* PSC6 in UART mode */
> + psc@...0 { /* PSC6 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> cell-index = <5>;
> reg = <0x2c00 0x100>;
> diff --git a/arch/powerpc/boot/dts/uc101.dts b/arch/powerpc/boot/dts/uc101.dts
> index 019264c..e00441a 100644
> --- a/arch/powerpc/boot/dts/uc101.dts
> +++ b/arch/powerpc/boot/dts/uc101.dts
> @@ -158,19 +158,19 @@
> reg = <0x1f00 0x100>;
> };
>
> - serial@...0 { /* PSC1 in UART mode */
> + psc@...0 { /* PSC1 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2000 0x100>;
> interrupts = <2 1 0>;
> };
>
> - serial@...0 { /* PSC2 in UART mode */
> + psc@...0 { /* PSC2 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2200 0x100>;
> interrupts = <2 2 0>;
> };
>
> - serial@...0 { /* PSC6 in UART mode */
> + psc@...0 { /* PSC6 in UART mode */
> compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
> reg = <0x2c00 0x100>;
> interrupts = <2 4 0>;
>
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