On 22/07/15 14:28, Liviu Dudau wrote:

On Mon, Jun 08, 2015 at 11:40:00AM +0100, Sudeep Holla wrote:

quoted

This patch adds support for the MHU mailbox peripheral used on Juno by
application processors to communicate with remote SCP handling most of
the CPU/system power management. It also adds the SRAM reserving the
shared memory and SCPI message protocol using that shared memory.

Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Jon Medhurst (Tixy) <redacted>
Signed-off-by: Sudeep Holla <redacted>
---
  arch/arm64/boot/dts/arm/juno-base.dtsi   | 31 +++++++++++++++++++++++++++++++
  arch/arm64/boot/dts/arm/juno-clocks.dtsi | 23 +++++++++++++++++++++++
  2 files changed, 54 insertions(+)

[..]

quoted

diff --git a/arch/arm64/boot/dts/arm/juno-clocks.dtsi b/arch/arm64/boot/dts/arm/juno-clocks.dtsi
index 25352ed943e6..64af7370815a 100644
--- a/arch/arm64/boot/dts/arm/juno-clocks.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-clocks.dtsi

@@ -42,3 +42,26 @@
  		clock-frequency = <400000000>;
  		clock-output-names = "faxi_clk";
  	};
+
+	scpi {
+		compatible = "arm,scpi";
+		mboxes = <&mailbox 1>;
+		shmem = <&cpu_scp_hpri>;
+
+		clocks {
+			compatible = "arm,scpi-clocks";
+
+			scpi_dvfs: scpi_clocks at 0 {
+				compatible = "arm,scpi-dvfs-clocks";
+				#clock-cells = <1>;
+				clock-indices = <0>, <1>, <2>;
+				clock-output-names = "vbig", "vlittle", "vgpu";
+			};
+			scpi_clk: scpi_clocks at 3 {
+				compatible = "arm,scpi-variable-clocks";
+				#clock-cells = <1>;
+				clock-indices = <3>, <4>;

Subject to you addressing Mark's comments regarding the indices values (maybe choose
a different property to show the fact that the index is actually an SCPI index
rather than the clock's), you can add my

I don't understand why we need to do that. I will anyway follow up on
that thread.

Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>

Thanks for all the ACKs.

Regards,
Sudeep