[v3,11/18] dt-bindings: soc: add binding for i.MX8MM DISP blk-ctrl

Commit Message

Lucas Stach Sept. 6, 2021, 6:43 p.m. UTC

This adds the DT binding for the i.MX8MM VPU blk-ctrl.

Signed-off-by: Lucas Stach <[e-mail]>
---
 .../soc/imx/fsl,imx8mm-disp-blk-ctrl.yaml     | 94 +++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-disp-blk-ctrl.yaml

Patch

diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-disp-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-disp-blk-ctrl.yaml
new file mode 100644
index 000000000000..ecd86cfb3da4
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-disp-blk-ctrl.yaml
@@ -0,0 +1,94 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/imx/fsl,imx8mm-disp-blk-ctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8MM DISP blk-ctrl
+
+maintainers:
+  - Lucas Stach <[e-mail]>
+
+description:
+  The i.MX8MM DISP blk-ctrl is a top-level peripheral providing access to
+  the NoC and ensuring proper power sequencing of the display and MIPI CSI
+  peripherals located in the DISP domain of the SoC.
+
+properties:
+  compatible:
+    items:
+      - const: fsl,imx8mm-disp-blk-ctrl
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  power-domains:
+    minItems: 5
+    maxItems: 5
+
+  power-domain-names:
+    items:
+      - const: bus
+      - const: csi-bridge
+      - const: lcdif
+      - const: mipi-dsi
+      - const: mipi-csi
+
+  clocks:
+    minItems: 10
+    maxItems: 10
+
+  clock-names:
+    items:
+      - const: csi-bridge-axi
+      - const: csi-bridge-apb
+      - const: csi-bridge-core
+      - const: lcdif-axi
+      - const: lcdif-apb
+      - const: lcdif-pix
+      - const: dsi-pclk
+      - const: dsi-ref
+      - const: csi-aclk
+      - const: csi-pclk
+
+required:
+  - compatible
+  - reg
+  - power-domains
+  - power-domain-names
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8mm-clock.h>
+    #include <dt-bindings/power/imx8mm-power.h>
+
+    disp_blk_ctl: blk_ctrl@32e28000 {
+      compatible = "fsl,imx8mm-disp-blk-ctrl", "syscon";
+      reg = <0x32e28000 0x100>;
+      power-domains = <&pgc_dispmix>, <&pgc_dispmix>, <&pgc_dispmix>,
+                      <&pgc_mipi>, <&pgc_mipi>;
+      power-domain-names = "bus", "csi-bridge", "lcdif",
+                           "mipi-dsi", "mipi-csi";
+      clocks = <&clk IMX8MM_CLK_DISP_AXI_ROOT>,
+               <&clk IMX8MM_CLK_DISP_APB_ROOT>,
+               <&clk IMX8MM_CLK_CSI1_ROOT>,
+               <&clk IMX8MM_CLK_DISP_AXI_ROOT>,
+               <&clk IMX8MM_CLK_DISP_APB_ROOT>,
+               <&clk IMX8MM_CLK_DISP_ROOT>,
+               <&clk IMX8MM_CLK_DSI_CORE>,
+               <&clk IMX8MM_CLK_DSI_PHY_REF>,
+               <&clk IMX8MM_CLK_CSI1_CORE>,
+               <&clk IMX8MM_CLK_CSI1_PHY_REF>;
+       clock-names = "csi-bridge-axi", "csi-bridge-apb", "csi-bridge-core",
+                     "lcdif-axi", "lcdif-apb", "lcdif-pix", "dsi-pclk",
+                     "dsi-ref", "csi-aclk", "csi-pclk";
+       #power-domain-cells = <1>;
+    };