[PATCH v2 1/4] arm64: dts: qcom: sc7280: Add ZAP shader support

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Non-Chrome SC7280-family platforms ship a ZAP shader with the Adreno GPU.
Describe that and make sure it doesn't interfere with Chrome devices.

Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
 arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi | 2 ++
 arch/arm64/boot/dts/qcom/sc7280.dtsi               | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
index 5d462ae14ba1..88fc67c3646e 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
@@ -17,6 +17,8 @@
  * required by the setup for Chrome boards.
  */
 
+/delete-node/ &gpu_zap_mem;
+/delete-node/ &gpu_zap_shader;
 /delete-node/ &hyp_mem;
 /delete-node/ &xbl_mem;
 /delete-node/ &reserved_xbl_uefi_log;
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 04bf85b0399a..58563f8fdc16 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -152,6 +152,11 @@ ipa_fw_mem: memory@8b700000 {
 			no-map;
 		};
 
+		gpu_zap_mem: zap@8b71a000 {
+			reg = <0 0x8b71a000 0 0x2000>;
+			no-map;
+		};
+
 		rmtfs_mem: memory@9c900000 {
 			compatible = "qcom,rmtfs-mem";
 			reg = <0x0 0x9c900000 0x0 0x280000>;
@@ -2613,6 +2618,10 @@ gpu: gpu@3d00000 {
 			nvmem-cells = <&gpu_speed_bin>;
 			nvmem-cell-names = "speed_bin";
 
+			gpu_zap_shader: zap-shader {
+				memory-region = <&gpu_zap_mem>;
+			};
+
 			gpu_opp_table: opp-table {
 				compatible = "operating-points-v2";
 

-- 
2.42.1




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