On 22/07/15 14:28, Liviu Dudau wrote:
On Mon, Jun 08, 2015 at 11:40:00AM +0100, Sudeep Holla wrote:
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 <[email protected]>
Cc: Jon Medhurst (Tixy) <[email protected]>
Signed-off-by: Sudeep Holla <[email protected]>
---
arch/arm64/boot/dts/arm/juno-base.dtsi | 31 +++++++++++++++++++++++++++++++
arch/arm64/boot/dts/arm/juno-clocks.dtsi | 23 +++++++++++++++++++++++
2 files changed, 54 insertions(+)
[..]
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@0 {
+ compatible = "arm,scpi-dvfs-clocks";
+ #clock-cells = <1>;
+ clock-indices = <0>, <1>, <2>;
+ clock-output-names = "vbig", "vlittle", "vgpu";
+ };
+ scpi_clk: scpi_clocks@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 <[email protected]>
Thanks for all the ACKs.
Regards,
Sudeep
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