On Thu, 27 Aug 2020 at 15:44, Matthias Brugger [off-list ref] wrote:

On 12/11/2019 12:03, Pi-Hsun Shih wrote:

quoted

From: Eddie Huang <eddie.huang@mediatek.com>

Add scp node to mt8183 and mt8183-evb

Signed-off-by: Erin Lo <redacted>
Signed-off-by: Pi-Hsun Shih <redacted>
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>

Sorry I somehow oversaw this. Next time please don't doubt to ping me.

Bjorn, do I understand correctly that you don't send emails to the list
informing of the inclusion of a patch/series in your tree?

Anyway applied now to v5.9-next/dts64 :)

arm64 build dtbs failed on linux next 20200902.

mt8183.dtsi:342.21-352.5: ERROR (phandle_references):
/soc/scp@10500000: Reference to non-existent node or label
"scp_mem_reserved"

build log,

make -sk KBUILD_BUILD_USER=TuxBuild -C/linux ARCH=arm64
CROSS_COMPILE=aarch64-linux-gnu- HOSTCC=gcc CC="sccache
aarch64-linux-gnu-gcc" O=build dtbs
#
../arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14:
Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges"
property but its #address-cells (1) differs from / (2)
../arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14:
Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges"
property but its #size-cells (1) differs from / (2)
../arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14:
Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges"
property but its #address-cells (1) differs from / (2)
../arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14:
Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges"
property but its #size-cells (1) differs from / (2)
../arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14:
Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges"
property but its #address-cells (1) differs from / (2)
../arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14:
Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges"
property but its #size-cells (1) differs from / (2)
../arch/arm64/boot/dts/mediatek/mt8183.dtsi:342.21-352.5: ERROR
(phandle_references): /soc/scp@10500000: Reference to non-existent
node or label "scp_mem_reserved"

Thanks!

quoted

---
Changes from v20 ... v14:
  - No change.

Changes from v13:
  - Change the size of the cfg register region.

Changes from v12 ... v10:
  - No change.

Changes from v9:
  - Remove extra reserve-memory-vpu_share node.

Changes from v8:
  - New patch.
---
  arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 11 +++++++++++
  arch/arm64/boot/dts/mediatek/mt8183.dtsi    | 12 ++++++++++++
  2 files changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index 1fb195c683c3..ddb7a7ac9655 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts

@@ -24,6 +24,17 @@ memory@40000000 {
      chosen {
              stdout-path = "serial0:921600n8";
      };
+
+     reserved-memory {
+             #address-cells = <2>;
+             #size-cells = <2>;
+             ranges;
+             scp_mem_reserved: scp_mem_region {
+                     compatible = "shared-dma-pool";
+                     reg = <0 0x50000000 0 0x2900000>;
+                     no-map;
+             };
+     };
  };

  &auxadc {

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 10b32471bc7b..e582f5e6691d 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi

@@ -269,6 +269,18 @@ pwrap: pwrap@1000d000 {
                      clock-names = "spi", "wrap";
              };

+             scp: scp@10500000 {
+                     compatible = "mediatek,mt8183-scp";
+                     reg = <0 0x10500000 0 0x80000>,
+                           <0 0x105c0000 0 0x19080>;
+                     reg-names = "sram", "cfg";
+                     interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+                     clocks = <&infracfg CLK_INFRA_SCPSYS>;
+                     clock-names = "main";
+                     memory-region = <&scp_mem_reserved>;
+                     status = "disabled";
+             };
+
              systimer: timer@10017000 {
                      compatible = "mediatek,mt8183-timer",
                                   "mediatek,mt6765-timer";

full build log,
https://builds.tuxbuild.com/_IfeLhOWMWxIkRkmAtAwOQ/build.log


-- 
Linaro LKFT
https://lkft.linaro.org

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