On 04/07/2022 14:38, Krzysztof Kozlowski wrote:
On 04/07/2022 12:00, Tinghan Shen wrote:
Add power domains controller node for mt8195.
Signed-off-by: Weiyi Lu <weiyi.lu@xxxxxxxxxxxx>
Signed-off-by: Tinghan Shen <tinghan.shen@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt8195.dtsi | 327 +++++++++++++++++++++++
1 file changed, 327 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index 8d59a7da3271..d52e140d9271 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -10,6 +10,7 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/pinctrl/mt8195-pinfunc.h>
+#include <dt-bindings/power/mt8195-power.h>
/ {
compatible = "mediatek,mt8195";
@@ -338,6 +339,332 @@
#interrupt-cells = <2>;
};
+ scpsys: syscon@10006000 {
+ compatible = "syscon", "simple-mfd";
These compatibles cannot be alone.
You mean we would need something like "mediatek,scpsys" as dummy compatible
that's not bound to any driver?
+ reg = <0 0x10006000 0 0x1000>;
+ #power-domain-cells = <1>;
If it is simple MFD, then probably it is not a power domain provider.
Decide.
The SCPSYS IP block of MediaTek SoCs group several functionality, one is the
power domain controller. Others are not yet implemented, but defining the scpsys
as a MFD will give us the possibility to do so in the future.
Regards,
Matthias
Best regards,
Krzysztof