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-rw-r--r--dts/Bindings/sram/allwinner,sun4i-a10-system-control.yaml140
-rw-r--r--dts/Bindings/sram/sram.yaml25
-rw-r--r--dts/Bindings/sram/sunxi-sram.txt113
3 files changed, 155 insertions, 123 deletions
diff --git a/dts/Bindings/sram/allwinner,sun4i-a10-system-control.yaml b/dts/Bindings/sram/allwinner,sun4i-a10-system-control.yaml
new file mode 100644
index 0000000000..80bac7a182
--- /dev/null
+++ b/dts/Bindings/sram/allwinner,sun4i-a10-system-control.yaml
@@ -0,0 +1,140 @@
+# SPDX-License-Identifier: GPL-2.0+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sram/allwinner,sun4i-a10-system-control.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A10 System Control Device Tree Bindings
+
+maintainers:
+ - Chen-Yu Tsai <wens@csie.org>
+ - Maxime Ripard <mripard@kernel.org>
+
+description:
+ The SRAM controller found on most Allwinner devices is represented
+ by a regular node for the SRAM controller itself, with sub-nodes
+ representing the SRAM handled by the SRAM controller.
+
+properties:
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 1
+
+ compatible:
+ oneOf:
+ - const: allwinner,sun4i-a10-sram-controller
+ deprecated: true
+ - const: allwinner,sun4i-a10-system-control
+ - const: allwinner,sun5i-a13-system-control
+ - items:
+ - const: allwinner,sun7i-a20-system-control
+ - const: allwinner,sun4i-a10-system-control
+ - const: allwinner,sun8i-a23-system-control
+ - const: allwinner,sun8i-h3-system-control
+ - const: allwinner,sun50i-a64-sram-controller
+ deprecated: true
+ - const: allwinner,sun50i-a64-system-control
+ - const: allwinner,sun50i-h5-system-control
+ - items:
+ - const: allwinner,sun50i-h6-system-control
+ - const: allwinner,sun50i-a64-system-control
+ - items:
+ - const: allwinner,suniv-f1c100s-system-control
+ - const: allwinner,sun4i-a10-system-control
+
+ reg:
+ maxItems: 1
+
+ ranges: true
+
+patternProperties:
+ "^sram@[a-z0-9]+":
+ type: object
+
+ properties:
+ compatible:
+ const: mmio-sram
+
+ patternProperties:
+ "^sram-section?@[a-f0-9]+$":
+ type: object
+
+ properties:
+ compatible:
+ oneOf:
+ - const: allwinner,sun4i-a10-sram-a3-a4
+ - const: allwinner,sun4i-a10-sram-c1
+ - const: allwinner,sun4i-a10-sram-d
+ - const: allwinner,sun50i-a64-sram-c
+ - items:
+ - const: allwinner,sun5i-a13-sram-a3-a4
+ - const: allwinner,sun4i-a10-sram-a3-a4
+ - items:
+ - const: allwinner,sun7i-a20-sram-a3-a4
+ - const: allwinner,sun4i-a10-sram-a3-a4
+ - items:
+ - const: allwinner,sun5i-a13-sram-c1
+ - const: allwinner,sun4i-a10-sram-c1
+ - items:
+ - const: allwinner,sun7i-a20-sram-c1
+ - const: allwinner,sun4i-a10-sram-c1
+ - items:
+ - const: allwinner,sun8i-a23-sram-c1
+ - const: allwinner,sun4i-a10-sram-c1
+ - items:
+ - const: allwinner,sun8i-h3-sram-c1
+ - const: allwinner,sun4i-a10-sram-c1
+ - items:
+ - const: allwinner,sun50i-a64-sram-c1
+ - const: allwinner,sun4i-a10-sram-c1
+ - items:
+ - const: allwinner,sun50i-h5-sram-c1
+ - const: allwinner,sun4i-a10-sram-c1
+ - items:
+ - const: allwinner,sun50i-h6-sram-c1
+ - const: allwinner,sun4i-a10-sram-c1
+ - items:
+ - const: allwinner,sun5i-a13-sram-d
+ - const: allwinner,sun4i-a10-sram-d
+ - items:
+ - const: allwinner,sun7i-a20-sram-d
+ - const: allwinner,sun4i-a10-sram-d
+ - items:
+ - const: allwinner,suniv-f1c100s-sram-d
+ - const: allwinner,sun4i-a10-sram-d
+ - items:
+ - const: allwinner,sun50i-h6-sram-c
+ - const: allwinner,sun50i-a64-sram-c
+
+required:
+ - "#address-cells"
+ - "#size-cells"
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ system-control@1c00000 {
+ compatible = "allwinner,sun4i-a10-system-control";
+ reg = <0x01c00000 0x30>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ sram_a: sram@00000000 {
+ compatible = "mmio-sram";
+ reg = <0x00000000 0xc000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x00000000 0xc000>;
+
+ emac_sram: sram-section@8000 {
+ compatible = "allwinner,sun4i-a10-sram-a3-a4";
+ reg = <0x8000 0x4000>;
+ };
+ };
+ };
diff --git a/dts/Bindings/sram/sram.yaml b/dts/Bindings/sram/sram.yaml
index ee2287a1b1..7b83cc6c9b 100644
--- a/dts/Bindings/sram/sram.yaml
+++ b/dts/Bindings/sram/sram.yaml
@@ -55,7 +55,7 @@ properties:
type: boolean
patternProperties:
- "^([a-z]*-)?sram@[a-f0-9]+$":
+ "^([a-z]*-)?sram(-section)?@[a-f0-9]+$":
type: object
description:
Each child of the sram node specifies a region of reserved memory.
@@ -64,15 +64,20 @@ patternProperties:
description:
Should contain a vendor specific string in the form
<vendor>,[<device>-]<usage>
- enum:
- - allwinner,sun9i-a80-smp-sram
- - amlogic,meson8-smp-sram
- - amlogic,meson8b-smp-sram
- - renesas,smp-sram
- - rockchip,rk3066-smp-sram
- - samsung,exynos4210-sysram
- - samsung,exynos4210-sysram-ns
- - socionext,milbeaut-smp-sram
+ contains:
+ enum:
+ - allwinner,sun4i-a10-sram-a3-a4
+ - allwinner,sun4i-a10-sram-c1
+ - allwinner,sun4i-a10-sram-d
+ - allwinner,sun9i-a80-smp-sram
+ - allwinner,sun50i-a64-sram-c
+ - amlogic,meson8-smp-sram
+ - amlogic,meson8b-smp-sram
+ - renesas,smp-sram
+ - rockchip,rk3066-smp-sram
+ - samsung,exynos4210-sysram
+ - samsung,exynos4210-sysram-ns
+ - socionext,milbeaut-smp-sram
reg:
description:
diff --git a/dts/Bindings/sram/sunxi-sram.txt b/dts/Bindings/sram/sunxi-sram.txt
deleted file mode 100644
index 380246a805..0000000000
--- a/dts/Bindings/sram/sunxi-sram.txt
+++ /dev/null
@@ -1,113 +0,0 @@
-Allwinnner SoC SRAM controllers
------------------------------------------------------
-
-The SRAM controller found on most Allwinner devices is represented by
-a regular node for the SRAM controller itself, with sub-nodes
-reprensenting the SRAM handled by the SRAM controller.
-
-Controller Node
----------------
-
-Required properties:
-- compatible : should be:
- - "allwinner,sun4i-a10-sram-controller" (deprecated)
- - "allwinner,sun4i-a10-system-control"
- - "allwinner,sun5i-a13-system-control"
- - "allwinner,sun7i-a20-system-control", "allwinner,sun4i-a10-system-control"
- - "allwinner,sun8i-a23-system-control"
- - "allwinner,sun8i-h3-system-control"
- - "allwinner,sun50i-a64-sram-controller" (deprecated)
- - "allwinner,sun50i-a64-system-control"
- - "allwinner,sun50i-h5-system-control"
- - "allwinner,sun50i-h6-system-control", "allwinner,sun50i-a64-system-control"
- - "allwinner,suniv-f1c100s-system-control", "allwinner,sun4i-a10-system-control"
-- reg : sram controller register offset + length
-
-SRAM nodes
-----------
-
-Each SRAM is described using the mmio-sram bindings documented in
-Documentation/devicetree/bindings/sram/sram.txt
-
-Each SRAM will have SRAM sections that are going to be handled by the
-SRAM controller as subnodes. These sections are represented following
-once again the representation described in the mmio-sram binding.
-
-The valid sections compatible for A10 are:
- - allwinner,sun4i-a10-sram-a3-a4
- - allwinner,sun4i-a10-sram-c1
- - allwinner,sun4i-a10-sram-d
-
-The valid sections compatible for A13 are:
- - allwinner,sun5i-a13-sram-a3-a4, allwinner,sun4i-a10-sram-a3-a4
- - allwinner,sun5i-a13-sram-c1, allwinner,sun4i-a10-sram-c1
- - allwinner,sun5i-a13-sram-d, allwinner,sun4i-a10-sram-d
-
-The valid sections compatible for A20 are:
- - allwinner,sun7i-a20-sram-a3-a4, allwinner,sun4i-a10-sram-a3-a4
- - allwinner,sun7i-a20-sram-c1, allwinner,sun4i-a10-sram-c1
- - allwinner,sun7i-a20-sram-d, allwinner,sun4i-a10-sram-d
-
-The valid sections compatible for A23/A33 are:
- - allwinner,sun8i-a23-sram-c1, allwinner,sun4i-a10-sram-c1
-
-The valid sections compatible for H3 are:
- - allwinner,sun8i-h3-sram-c1, allwinner,sun4i-a10-sram-c1
-
-The valid sections compatible for A64 are:
- - allwinner,sun50i-a64-sram-c
- - allwinner,sun50i-a64-sram-c1, allwinner,sun4i-a10-sram-c1
-
-The valid sections compatible for H5 are:
- - allwinner,sun50i-h5-sram-c1, allwinner,sun4i-a10-sram-c1
-
-The valid sections compatible for H6 are:
- - allwinner,sun50i-h6-sram-c, allwinner,sun50i-a64-sram-c
- - allwinner,sun50i-h6-sram-c1, allwinner,sun4i-a10-sram-c1
-
-The valid sections compatible for F1C100s are:
- - allwinner,suniv-f1c100s-sram-d, allwinner,sun4i-a10-sram-d
-
-Devices using SRAM sections
----------------------------
-
-Some devices need to request to the SRAM controller to map an SRAM for
-their exclusive use.
-
-The relationship between such a device and an SRAM section is
-expressed through the allwinner,sram property, that will take a
-phandle and an argument.
-
-This valid values for this argument are:
- - 0: CPU
- - 1: Device
-
-Example
--------
-system-control@1c00000 {
- compatible = "allwinner,sun4i-a10-system-control";
- reg = <0x01c00000 0x30>;
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- sram_a: sram@00000000 {
- compatible = "mmio-sram";
- reg = <0x00000000 0xc000>;
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0 0x00000000 0xc000>;
-
- emac_sram: sram-section@8000 {
- compatible = "allwinner,sun4i-a10-sram-a3-a4";
- reg = <0x8000 0x4000>;
- };
- };
-};
-
-emac: ethernet@1c0b000 {
- compatible = "allwinner,sun4i-a10-emac";
- ...
-
- allwinner,sram = <&emac_sram 1>;
-};
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-18 14:48:10 +0000