Re: [PATCH 4/6] arm64: dts: qcom: sm4450: Add apps_rsc and cmd_db node

From: Tengfei Fan
Date: Fri Sep 08 2023 - 03:18:42 EST




在 9/8/2023 3:03 PM, Dmitry Baryshkov 写道:
On 08/09/2023 09:58, Tengfei Fan wrote:
From: Ajit Pandey <quic_ajipan@xxxxxxxxxxx>

Add apps_rsc node and cmd_db memory region for sm4450.

Signed-off-by: Ajit Pandey <quic_ajipan@xxxxxxxxxxx>
Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/sm4450.dtsi | 34 ++++++++++++++++++++++++++++
  1 file changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi
index c4e5b33f5169..eb544d875806 100644
--- a/arch/arm64/boot/dts/qcom/sm4450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
@@ -5,6 +5,7 @@
  #include <dt-bindings/gpio/gpio.h>
  #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/soc/qcom,rpmh-rsc.h>
  / {
      interrupt-parent = <&intc>;
@@ -328,6 +329,18 @@
          };
      };
+    reserved_memory: reserved-memory {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        ranges;
+
+        aop_cmd_db_mem: cmd-db@80860000 {

Judging from sm8550, this should be aop-cmd-db-region@....
Got below message when internal review this node name, so update to cmd-db@80860000
"memory" is a "reserved word", so these nodes needs to be given a
non-generic name (contrary to all other cases), there was also a recent
cry from the maintainers that we don't need the "-region" suffix that
we've been using on recent platform.


+            compatible = "qcom,cmd-db";
+            reg = <0x0 0x80860000 0x0 0x20000>;
+            no-map;
+        };
+    };
+
      soc: soc@0 {
          #address-cells = <2>;
          #size-cells = <2>;
@@ -335,6 +348,27 @@
          dma-ranges = <0 0 0 0 0x10 0>;
          compatible = "simple-bus";
+        apps_rsc: rsc@17a00000 {
+            label = "apps_rsc";
+            compatible = "qcom,rpmh-rsc";
+            reg = <0 0x17a00000 0 0x10000>,
+                  <0 0x17a10000 0 0x10000>,
+                  <0 0x17a20000 0 0x10000>;
+            reg-names = "drv-0", "drv-1", "drv-2";
+            interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+            qcom,tcs-offset = <0xd00>;
+            qcom,drv-id = <2>;
+            qcom,tcs-config = <ACTIVE_TCS    2>, <SLEEP_TCS     3>,
+                      <WAKE_TCS      3>, <CONTROL_TCS   0>;
+            power-domains = <&CLUSTER_PD>;
+
+            apps_bcm_voter: bcm-voter {
+                compatible = "qcom,bcm-voter";
+            };
+        };
+
          tcsr_mutex: hwlock@1f40000 {
              compatible = "qcom,tcsr-mutex";
              reg = <0x0 0x01f40000 0x0 0x40000>;


--
Thx and BRs,
Tengfei Fan