linux-kernel - [PATCH 2/7] dt-bindings: soc: add binding for i.MX8MN DISP blk-ctrl

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Message-Id: <20211006000505.627334-2-aford173@gmail.com>
Date:   Tue,  5 Oct 2021 19:04:59 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/7] dt-bindings: soc: add binding for i.MX8MN DISP blk-ctrl

This adds the DT binding for the i.MX8MN DISP blk-ctrl.

Signed-off-by: Adam Ford <aford173@...il.com>
---
 .../soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml     | 97 +++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml

diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml
new file mode 100644
index 000000000000..92d30aff446e
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml
@@ -0,0 +1,97 @@
+# 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.MX8MN DISP blk-ctrl
+
+maintainers:
+  - Lucas Stach <l.stach@...gutronix.de>
+
+description:
+  The i.MX8MN 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,imx8mn-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: isi
+      - const: lcdif
+      - const: mipi-dsi
+      - const: mipi-csi
+
+  clocks:
+    minItems: 11
+    maxItems: 11
+
+  clock-names:
+    items:
+      - const: disp_axi
+      - const: disp_apb
+      - const: disp_axi_root
+      - const: disp_apb_root
+      - 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/imx8mn-clock.h>
+    #include <dt-bindings/power/imx8mn-power.h>
+
+    disp_blk_ctl: blk_ctrl@...28000 {
+      compatible = "fsl,imx8mn-disp-blk-ctrl", "syscon";
+      reg = <0x32e28000 0x100>;
+      power-domains = <&pgc_dispmix>, <&pgc_dispmix>,
+		       <&pgc_dispmix>, <&pgc_mipi>,
+			<&pgc_mipi>;
+      power-domain-names = "bus", "isi", "lcdif", "mipi-dsi",
+			    "mipi-csi";
+      clocks = <&clk IMX8MN_CLK_DISP_AXI>,
+	       <&clk IMX8MN_CLK_DISP_APB>,
+	       <&clk IMX8MN_CLK_DISP_AXI_ROOT>,
+	       <&clk IMX8MN_CLK_DISP_APB_ROOT>,
+	       <&clk IMX8MN_CLK_DISP_AXI_ROOT>,
+	       <&clk IMX8MN_CLK_DISP_APB_ROOT>,
+	       <&clk IMX8MN_CLK_DISP_PIXEL_ROOT>,
+	       <&clk IMX8MN_CLK_DSI_CORE>,
+	       <&clk IMX8MN_CLK_DSI_PHY_REF>,
+	       <&clk IMX8MN_CLK_CSI1_PHY_REF>,
+	       <&clk IMX8MN_CLK_CAMERA_PIXEL_ROOT>;
+       clock-names = "disp_axi", "disp_apb", "disp_axi_root", "disp_apb_root",
+                     "lcdif-axi", "lcdif-apb", "lcdif-pix", "dsi-pclk",
+                     "dsi-ref", "csi-aclk", "csi-pclk";
+       #power-domain-cells = <1>;
+    };
-- 
2.25.1