2019-11-11 03:06:04

by Andreas Färber

Subject: [PATCH 3/7] arm64: dts: realtek: rtd129x: Introduce r-bus

Model Realtek's register bus in DT.

Signed-off-by: Andreas Färber <[email protected]>
---
arch/arm64/boot/dts/realtek/rtd129x.dtsi | 136 ++++++++++++++++---------------
1 file changed, 72 insertions(+), 64 deletions(-)

diff --git a/arch/arm64/boot/dts/realtek/rtd129x.dtsi b/arch/arm64/boot/dts/realtek/rtd129x.dtsi
index 8d80cca945bc..c4533a2555aa 100644
--- a/arch/arm64/boot/dts/realtek/rtd129x.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd129x.dtsi
@@ -55,70 +55,78 @@
/* Exclude up to 2 GiB of RAM */
ranges = <0x80000000 0x80000000 0x80000000>;

- reset1: reset-controller@98000000 {
- compatible = "snps,dw-low-reset";
- reg = <0x98000000 0x4>;
- #reset-cells = <1>;
- };
-
- reset2: reset-controller@98000004 {
- compatible = "snps,dw-low-reset";
- reg = <0x98000004 0x4>;
- #reset-cells = <1>;
- };
-
- reset3: reset-controller@98000008 {
- compatible = "snps,dw-low-reset";
- reg = <0x98000008 0x4>;
- #reset-cells = <1>;
- };
-
- reset4: reset-controller@98000050 {
- compatible = "snps,dw-low-reset";
- reg = <0x98000050 0x4>;
- #reset-cells = <1>;
- };
-
- iso_reset: reset-controller@98007088 {
- compatible = "snps,dw-low-reset";
- reg = <0x98007088 0x4>;
- #reset-cells = <1>;
- };
-
- wdt: watchdog@98007680 {
- compatible = "realtek,rtd1295-watchdog";
- reg = <0x98007680 0x100>;
- clocks = <&osc27M>;
- };
-
- uart0: serial@98007800 {
- compatible = "snps,dw-apb-uart";
- reg = <0x98007800 0x400>;
- reg-shift = <2>;
- reg-io-width = <4>;
- clock-frequency = <27000000>;
- resets = <&iso_reset RTD1295_ISO_RSTN_UR0>;
- status = "disabled";
- };
-
- uart1: serial@9801b200 {
- compatible = "snps,dw-apb-uart";
- reg = <0x9801b200 0x100>;
- reg-shift = <2>;
- reg-io-width = <4>;
- clock-frequency = <432000000>;
- resets = <&reset2 RTD1295_RSTN_UR1>;
- status = "disabled";
- };
-
- uart2: serial@9801b400 {
- compatible = "snps,dw-apb-uart";
- reg = <0x9801b400 0x100>;
- reg-shift = <2>;
- reg-io-width = <4>;
- clock-frequency = <432000000>;
- resets = <&reset2 RTD1295_RSTN_UR2>;
- status = "disabled";
+ rbus: r-bus@98000000 {
+ compatible = "simple-bus";
+ reg = <0x98000000 0x100000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x98000000 0x100000>;
+
+ reset1: reset-controller@0 {
+ compatible = "snps,dw-low-reset";
+ reg = <0x0 0x4>;
+ #reset-cells = <1>;
+ };
+
+ reset2: reset-controller@4 {
+ compatible = "snps,dw-low-reset";
+ reg = <0x4 0x4>;
+ #reset-cells = <1>;
+ };
+
+ reset3: reset-controller@8 {
+ compatible = "snps,dw-low-reset";
+ reg = <0x8 0x4>;
+ #reset-cells = <1>;
+ };
+
+ reset4: reset-controller@50 {
+ compatible = "snps,dw-low-reset";
+ reg = <0x50 0x4>;
+ #reset-cells = <1>;
+ };
+
+ iso_reset: reset-controller@7088 {
+ compatible = "snps,dw-low-reset";
+ reg = <0x7088 0x4>;
+ #reset-cells = <1>;
+ };
+
+ wdt: watchdog@7680 {
+ compatible = "realtek,rtd1295-watchdog";
+ reg = <0x7680 0x100>;
+ clocks = <&osc27M>;
+ };
+
+ uart0: serial@7800 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x7800 0x400>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clock-frequency = <27000000>;
+ resets = <&iso_reset RTD1295_ISO_RSTN_UR0>;
+ status = "disabled";
+ };
+
+ uart1: serial@1b200 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x1b200 0x100>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clock-frequency = <432000000>;
+ resets = <&reset2 RTD1295_RSTN_UR1>;
+ status = "disabled";
+ };
+
+ uart2: serial@1b400 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x1b400 0x100>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clock-frequency = <432000000>;
+ resets = <&reset2 RTD1295_RSTN_UR2>;
+ status = "disabled";
+ };
};

gic: interrupt-controller@ff011000 {
--
2.16.4

2019-11-13 02:45:42

by James Tai [戴志峰]

Subject: RE: [PATCH 3/7] arm64: dts: realtek: rtd129x: Introduce r-bus

Hi Andreas,

> + rbus: r-bus@98000000 {
> + compatible = "simple-bus";
> + reg = <0x98000000 0x100000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x98000000 0x100000>;
> +

The r-bus size of RTD1395 is 0x200000.

Regards,
James

2019-11-13 03:04:45

by James Tai [戴志峰]

Subject: RE: [PATCH 3/7] arm64: dts: realtek: rtd129x: Introduce r-bus

> Hi Andreas,
>
> > + rbus: r-bus@98000000 {
> > + compatible = "simple-bus";
> > + reg = <0x98000000 0x100000>;
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > + ranges = <0x0 0x98000000 0x100000>;
> > +
>
> The r-bus size of RTD1395 is 0x200000.
>

Sorry for the typo. The r-bus size of RTD1295 is 0x200000.


Regards,
James

2019-11-14 23:24:38

by Andreas Färber

Subject: Re: [PATCH 3/7] arm64: dts: realtek: rtd129x: Introduce r-bus

Hi James,

Am 13.11.19 um 04:02 schrieb James Tai:
>>> + rbus: r-bus@98000000 {
>>> + compatible = "simple-bus";
>>> + reg = <0x98000000 0x100000>;
>>> + #address-cells = <1>;
>>> + #size-cells = <1>;
>>> + ranges = <0x0 0x98000000 0x100000>;
>>> +
>>
>> The r-bus size of RTD1395 is 0x200000.
>>
>
> Sorry for the typo. The r-bus size of RTD1295 is 0x200000.

Fixed.

Thanks,
Andreas


--
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer
HRB 36809 (AG Nürnberg)