[PATCH V4 1/2] dt-bindings: power: add Amlogic s4 power domains bindings

Shunzhou Jiang shunzhou.jiang at amlogic.com
Thu Feb 24 22:44:54 PST 2022


Add the bindings for the Amlogic Secure power domains, controlling the
secure power domains.

The bindings targets the Amlogic s4, in which the power domains registers
are in secure world.

Signed-off-by: Shunzhou Jiang <shunzhou.jiang at amlogic.com>
---
 .../power/amlogic,meson-sec-pwrc.yaml         |  3 ++-
 include/dt-bindings/power/meson-s4-power.h    | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 include/dt-bindings/power/meson-s4-power.h

diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml b/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
index 5dae04d2936c..7657721a4e96 100644
--- a/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
+++ b/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
@@ -12,13 +12,14 @@ maintainers:
   - Jianxin Pan <jianxin.pan at amlogic.com>
 
 description: |+
-  Secure Power Domains used in Meson A1/C1 SoCs, and should be the child node
+  Secure Power Domains used in Meson A1/C1/S4 SoCs, and should be the child node
   of secure-monitor.
 
 properties:
   compatible:
     enum:
       - amlogic,meson-a1-pwrc
+      - amlogic,meson-s4-pwrc
 
   "#power-domain-cells":
     const: 1
diff --git a/include/dt-bindings/power/meson-s4-power.h b/include/dt-bindings/power/meson-s4-power.h
new file mode 100644
index 000000000000..462dd2cb938b
--- /dev/null
+++ b/include/dt-bindings/power/meson-s4-power.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
+/*
+ * Copyright (c) 2021 Amlogic, Inc.
+ * Author: Shunzhou Jiang <shunzhou.jiang at amlogic.com>
+ */
+
+#ifndef _DT_BINDINGS_MESON_S4_POWER_H
+#define _DT_BINDINGS_MESON_S4_POWER_H
+
+#define PWRC_S4_DOS_HEVC_ID	0
+#define PWRC_S4_DOS_VDEC_ID	1
+#define PWRC_S4_VPU_HDMI_ID	2
+#define PWRC_S4_USB_COMB_ID	3
+#define PWRC_S4_GE2D_ID		4
+#define PWRC_S4_ETH_ID		5
+#define PWRC_S4_DEMOD_ID	6
+#define PWRC_S4_AUDIO_ID	7
+
+#endif
-- 
2.34.1




More information about the linux-amlogic mailing list