[RESEND,v2,1/7] ARM: dts: rockchip: add cpu enable method for rk3228 SoC

Commit Message

Frank Wang June 22, 2017, 10:29 a.m. UTC

This patch sets PSCI as the default cpu enable-method for RK3228 SoC.

Signed-off-by: Frank Wang <[e-mail]>
---
 arch/arm/boot/dts/rk322x.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Heiko Stübner July 12, 2017, 11:34 p.m. UTC | #1

Am Donnerstag, 22. Juni 2017, 18:29:56 CEST schrieb Frank Wang:
> This patch sets PSCI as the default cpu enable-method for RK3228 SoC.
> 
> Signed-off-by: Frank Wang <[e-mail]>

I've seen the work on OP-TEE mainlining for the psci implementation
which seems to be progressing nicely and with the code in the open
now, it's possible to replace the firmware if needed.

So I've applied this patch for 4.14.


Heiko

Patch

diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 31e04e9..34d175e 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -70,6 +70,7 @@ 
 			#cooling-cells = <2>; /* min followed by max */
 			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
+			enable-method = "psci";
 		};
 
 		cpu1: cpu@f01 {
@@ -78,6 +79,7 @@ 
 			reg = <0xf01>;
 			resets = <&cru SRST_CORE1>;
 			operating-points-v2 = <&cpu0_opp_table>;
+			enable-method = "psci";
 		};
 
 		cpu2: cpu@f02 {
@@ -86,6 +88,7 @@ 
 			reg = <0xf02>;
 			resets = <&cru SRST_CORE2>;
 			operating-points-v2 = <&cpu0_opp_table>;
+			enable-method = "psci";
 		};
 
 		cpu3: cpu@f03 {
@@ -94,6 +97,7 @@ 
 			reg = <0xf03>;
 			resets = <&cru SRST_CORE3>;
 			operating-points-v2 = <&cpu0_opp_table>;
+			enable-method = "psci";
 		};
 	};
 
@@ -151,6 +155,11 @@ 
 		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
 	};
 
+	psci {
+		compatible = "arm,psci-1.0", "arm,psci-0.2";
+		method = "smc";
+	};
+
 	timer {
 		compatible = "arm,armv7-timer";
 		arm,cpu-registers-not-fw-configured;