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Message-Id: <1605777745-23625-2-git-send-email-victor.liu@nxp.com>
Date:   Thu, 19 Nov 2020 17:22:18 +0800
From:   Liu Ying <victor.liu@....com>
To:     linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     p.zabel@...gutronix.de, airlied@...ux.ie, daniel@...ll.ch,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, robh+dt@...nel.org,
        maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de
Subject: [PATCH 1/8] dt-bindings: display: imx: Add i.MX8qxp/qm DPU binding

This patch adds bindings for i.MX8qxp/qm Display Processing Unit.

Signed-off-by: Liu Ying <victor.liu@....com>
---
 .../bindings/display/imx/fsl,imx8qxp-dpu.yaml      | 358 +++++++++++++++++++++
 1 file changed, 358 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dpu.yaml

diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dpu.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dpu.yaml
new file mode 100644
index 00000000..2c6b029
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dpu.yaml
@@ -0,0 +1,358 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8qm/qxp Display Processing Unit
+
+maintainers:
+  - Liu Ying <victor.liu@....com>
+
+description: |
+  The Freescale i.MX8qm/qxp Display Processing Unit(DPU) is comprised of two
+  main components that include a blit engine for 2D graphics accelerations
+  and a display controller for display output processing, as well as a command
+  sequencer.
+
+properties:
+  compatible:
+    oneOf:
+      - const: fsl,imx8qxp-dpu
+      - const: fsl,imx8qm-dpu
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+     - description: store9 shadow load interrupt       (blit engine)
+     - description: store9 frame complete interrupt    (blit engine)
+     - description: store9 sequence complete interrupt (blit engine)
+     - description: extdst0 shadow load interrupt       (display controller, content stream 0)
+     - description: extdst0 frame complete interrupt    (display controller, content stream 0)
+     - description: extdst0 sequence complete interrupt (display controller, content stream 0)
+     - description: extdst4 shadow load interrupt       (display controller, safety stream 0)
+     - description: extdst4 frame complete interrupt    (display controller, safety stream 0)
+     - description: extdst4 sequence complete interrupt (display controller, safety stream 0)
+     - description: extdst1 shadow load interrupt       (display controller, content stream 1)
+     - description: extdst1 frame complete interrupt    (display controller, content stream 1)
+     - description: extdst1 sequence complete interrupt (display controller, content stream 1)
+     - description: extdst5 shadow load interrupt       (display controller, safety stream 1)
+     - description: extdst5 frame complete interrupt    (display controller, safety stream 1)
+     - description: extdst5 sequence complete interrupt (display controller, safety stream 1)
+     - description: disengcfg0 shadow load interrupt       (display controller, display stream 0)
+     - description: disengcfg0 frame complete interrupt    (display controller, display stream 0)
+     - description: disengcfg0 sequence complete interrupt (display controller, display stream 0)
+     - description: framegen0 programmable interrupt0 (display controller, display stream 0)
+     - description: framegen0 programmable interrupt1 (display controller, display stream 0)
+     - description: framegen0 programmable interrupt2 (display controller, display stream 0)
+     - description: framegen0 programmable interrupt3 (display controller, display stream 0)
+     - description: signature0 shadow load interrupt       (display controller, display stream 0)
+     - description: signature0 measurement valid interrupt (display controller, display stream 0)
+     - description: signature0 error condition interrupt   (display controller, display stream 0)
+     - description: disengcfg1 shadow load interrupt       (display controller, display stream 1)
+     - description: disengcfg1 frame complete interrupt    (display controller, display stream 1)
+     - description: disengcfg1 sequence complete interrupt (display controller, display stream 1)
+     - description: framegen1 programmable interrupt0 (display controller, display stream 1)
+     - description: framegen1 programmable interrupt1 (display controller, display stream 1)
+     - description: framegen1 programmable interrupt2 (display controller, display stream 1)
+     - description: framegen1 programmable interrupt3 (display controller, display stream 1)
+     - description: signature1 shadow load interrupt       (display controller, display stream 1)
+     - description: signature1 measurement valid interrupt (display controller, display stream 1)
+     - description: signature1 error condition interrupt   (display controller, display stream 1)
+     - description: command sequencer error condition interrupt (command sequencer)
+     - description: common control software interrupt0 (common control)
+     - description: common control software interrupt1 (common control)
+     - description: common control software interrupt2 (common control)
+     - description: common control software interrupt3 (common control)
+     - description: framegen0 sychronization status activated interrupt   (display controller, safety stream 0)
+     - description: framegen0 sychronization status deactivated interrupt (display controller, safety stream 0)
+     - description: framegen0 sychronization status activated interrupt   (display controller, content stream 0)
+     - description: framegen0 sychronization status deactivated interrupt (display controller, content stream 0)
+     - description: framegen1 sychronization status activated interrupt   (display controller, safety stream 1)
+     - description: framegen1 sychronization status deactivated interrupt (display controller, safety stream 1)
+     - description: framegen1 sychronization status activated interrupt   (display controller, content stream 1)
+     - description: framegen1 sychronization status deactivated interrupt (display controller, content stream 1)
+
+  interrupt-names:
+    items:
+      - const: store9_shdload
+      - const: store9_framecomplete
+      - const: store9_seqcomplete
+      - const: extdst0_shdload
+      - const: extdst0_framecomplete
+      - const: extdst0_seqcomplete
+      - const: extdst4_shdload
+      - const: extdst4_framecomplete
+      - const: extdst4_seqcomplete
+      - const: extdst1_shdload
+      - const: extdst1_framecomplete
+      - const: extdst1_seqcomplete
+      - const: extdst5_shdload
+      - const: extdst5_framecomplete
+      - const: extdst5_seqcomplete
+      - const: disengcfg_shdload0
+      - const: disengcfg_framecomplete0
+      - const: disengcfg_seqcomplete0
+      - const: framegen0_int0
+      - const: framegen0_int1
+      - const: framegen0_int2
+      - const: framegen0_int3
+      - const: sig0_shdload
+      - const: sig0_valid
+      - const: sig0_error
+      - const: disengcfg_shdload1
+      - const: disengcfg_framecomplete1
+      - const: disengcfg_seqcomplete1
+      - const: framegen1_int0
+      - const: framegen1_int1
+      - const: framegen1_int2
+      - const: framegen1_int3
+      - const: sig1_shdload
+      - const: sig1_valid
+      - const: sig1_error
+      - const: cmdseq_error
+      - const: comctrl_sw0
+      - const: comctrl_sw1
+      - const: comctrl_sw2
+      - const: comctrl_sw3
+      - const: framegen0_primsync_on
+      - const: framegen0_primsync_off
+      - const: framegen0_secsync_on
+      - const: framegen0_secsync_off
+      - const: framegen1_primsync_on
+      - const: framegen1_primsync_off
+      - const: framegen1_secsync_on
+      - const: framegen1_secsync_off
+
+  clocks:
+    minItems: 6
+    maxItems: 7
+
+  clock-names:
+    minItems: 6
+    maxItems: 7
+
+  power-domains:
+    items:
+      - description: DC power-domain
+      - description: PLL0 power-domain
+      - description: PLL1 power-domain
+
+  power-domain-names:
+    items:
+      - const: dc
+      - const: pll0
+      - const: pll1
+
+  fsl,dpr-channels:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: |
+      List of phandle which points to DPR channels associated with
+      this DPU instance.
+
+  ports:
+    type: object
+    description: |
+      A node containing DPU output port nodes with endpoint definitions
+      as documented in
+      Documentation/devicetree/bindings/media/video-interfaces.txt
+      Documentation/devicetree/bindings/graph.txt
+
+    properties:
+      '#address-cells':
+        const: 1
+
+      '#size-cells':
+        const: 0
+
+      port@0:
+        type: object
+        description: The DPU output port node from display stream0.
+
+        properties:
+          reg:
+            const: 0
+
+        required:
+          - reg
+
+      port@1:
+        type: object
+        description: The DPU output port node from display stream1.
+
+        properties:
+          reg:
+            const: 1
+
+        required:
+          - reg
+
+    required:
+      - "#address-cells"
+      - "#size-cells"
+      - port@0
+      - port@1
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - clocks
+  - clock-names
+  - power-domains
+  - power-domain-names
+  - fsl,dpr-channels
+  - ports
+
+additionalProperties: false
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx8qm-dpu
+    then:
+      properties:
+        clocks:
+          minItems: 7
+
+        clock-names:
+          items:
+            - const: axi
+            - const: cfg
+            - const: pll0
+            - const: pll1
+            - const: bypass0
+            - const: disp0
+            - const: disp1
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx8qxp-dpu
+    then:
+      properties:
+        clocks:
+          minItems: 6
+
+        clock-names:
+          items:
+            - const: axi
+            - const: cfg
+            - const: pll0
+            - const: pll1
+            - const: disp0
+            - const: disp1
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8-clock.h>
+    #include <dt-bindings/firmware/imx/rsrc.h>
+    dpu@...80000 {
+        compatible = "fsl,imx8qxp-dpu";
+        reg = <0x56180000 0x40000>;
+        interrupt-parent = <&dc0_irqsteer>;
+        interrupts = <448>, <449>, <450>,  <64>,
+                      <65>,  <66>,  <67>,  <68>,
+                      <69>,  <70>, <193>, <194>,
+                     <195>, <196>, <197>,  <72>,
+                      <73>,  <74>,  <75>,  <76>,
+                      <77>,  <78>,  <79>,  <80>,
+                      <81>, <199>, <200>, <201>,
+                     <202>, <203>, <204>, <205>,
+                     <206>, <207>, <208>,   <0>,
+                       <1>,   <2>,   <3>,   <4>,
+                      <82>,  <83>,  <84>,  <85>,
+                     <209>, <210>, <211>, <212>;
+        interrupt-names = "store9_shdload",
+                          "store9_framecomplete",
+                          "store9_seqcomplete",
+                          "extdst0_shdload",
+                          "extdst0_framecomplete",
+                          "extdst0_seqcomplete",
+                          "extdst4_shdload",
+                          "extdst4_framecomplete",
+                          "extdst4_seqcomplete",
+                          "extdst1_shdload",
+                          "extdst1_framecomplete",
+                          "extdst1_seqcomplete",
+                          "extdst5_shdload",
+                          "extdst5_framecomplete",
+                          "extdst5_seqcomplete",
+                          "disengcfg_shdload0",
+                          "disengcfg_framecomplete0",
+                          "disengcfg_seqcomplete0",
+                          "framegen0_int0",
+                          "framegen0_int1",
+                          "framegen0_int2",
+                          "framegen0_int3",
+                          "sig0_shdload",
+                          "sig0_valid",
+                          "sig0_error",
+                          "disengcfg_shdload1",
+                          "disengcfg_framecomplete1",
+                          "disengcfg_seqcomplete1",
+                          "framegen1_int0",
+                          "framegen1_int1",
+                          "framegen1_int2",
+                          "framegen1_int3",
+                          "sig1_shdload",
+                          "sig1_valid",
+                          "sig1_error",
+                          "cmdseq_error",
+                          "comctrl_sw0",
+                          "comctrl_sw1",
+                          "comctrl_sw2",
+                          "comctrl_sw3",
+                          "framegen0_primsync_on",
+                          "framegen0_primsync_off",
+                          "framegen0_secsync_on",
+                          "framegen0_secsync_off",
+                          "framegen1_primsync_on",
+                          "framegen1_primsync_off",
+                          "framegen1_secsync_on",
+                          "framegen1_secsync_off";
+        clocks = <&dc0_lpcg IMX_DC0_LPCG_DC_AXI_CLK>,
+                 <&dc0_lpcg IMX_DC0_LPCG_DC_CFG_CLK>,
+                 <&clk IMX_DC0_PLL0_CLK>,
+                 <&clk IMX_DC0_PLL1_CLK>,
+                 <&dc0_lpcg IMX_DC0_LPCG_DISP0_CLK>,
+                 <&dc0_lpcg IMX_DC0_LPCG_DISP1_CLK>;
+        clock-names = "axi", "cfg", "pll0", "pll1", "disp0", "disp1";
+        power-domains = <&pd IMX_SC_R_DC_0>,
+                        <&pd IMX_SC_R_DC_0_PLL_0>,
+                        <&pd IMX_SC_R_DC_0_PLL_1>;
+        power-domain-names = "dc", "pll0", "pll1";
+        fsl,dpr-channels = <&dc0_dpr1_channel1>,
+                           <&dc0_dpr1_channel2>,
+                           <&dc0_dpr1_channel3>,
+                           <&dc0_dpr2_channel1>,
+                           <&dc0_dpr2_channel2>,
+                           <&dc0_dpr2_channel3>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                dpu_disp0_pixel_combiner_ch0: endpoint {
+                    remote-endpoint = <&pixel_combiner_ch0_dpu_disp0>;
+                };
+            };
+
+            port@1 {
+                reg = <1>;
+                dpu_disp1_pixel_combiner_ch1: endpoint {
+                    remote-endpoint = <&pixel_combiner_ch1_dpu_disp1>;
+                };
+            };
+        };
+    };
-- 
2.7.4

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