Re: [PATCH 4/7] ARM: dts: da850: add power controller nodes

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On 02/07/2018 07:45 AM, Bartosz Golaszewski wrote:
From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>

Add two power controller nodes corresponding with the two PSC modules
present on the da850 SoC.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
  arch/arm/boot/dts/da850.dtsi | 13 +++++++++++++
  1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 3a1f2ced05ca..ac2eef4e6b7c 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -24,6 +24,11 @@
  		};
  	};
+ aliases {
+		pwc0 = &pwc0;
+		pwc1 = &pwc1;
+	};

Why do we need aliases? (would be nice to have the reason in the commit
message if there is a good reason)

+
  	opp_table: opp-table {
  		compatible = "operating-points-v2";
@@ -141,6 +146,10 @@
  				      "pll0_sysclk4", "pll0_sysclk6",
  				      "async1";
  		};
+		pwc0: power-controller@10000 {
+			compatible = "ti,davinci-pm-domains";
+			#power-domain-cells = <0>;
+		};
  		pll0: clock-controller@11000 {
  			compatible = "ti,da850-pll0";
  			reg = <0x11000 0x1000>;
@@ -757,6 +766,10 @@
  				 <&async3_clk>;
  			clock-names = "pll0_sysclk2", "pll0_sysclk4", "async3";
  		};
+		pwc1: power-controller@227000 {
+			compatible = "ti,davinci-pm-domains";
+			#power-domain-cells = <0>;
+		};
  		pinconf: pin-controller@22c00c {
  			compatible = "ti,da850-pupd";
  			reg = <0x22c00c 0x8>;


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