diff mbox series

dt-bindings: mailbox: Convert mtk-gce to DT schema

Message ID 20220915101716.70225-1-angelogioacchino.delregno@collabora.com (mailing list archive)
State New, archived
Headers show
Series dt-bindings: mailbox: Convert mtk-gce to DT schema | expand

Commit Message

AngeloGioacchino Del Regno Sept. 15, 2022, 10:17 a.m. UTC
Convert the mtk-gce mailbox binding to DT schema format.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 .../mailbox/mediatek,gce-mailbox.yaml         | 104 ++++++++++++++++++
 .../devicetree/bindings/mailbox/mtk-gce.txt   |  82 --------------
 2 files changed, 104 insertions(+), 82 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
 delete mode 100644 Documentation/devicetree/bindings/mailbox/mtk-gce.txt

Comments

Krzysztof Kozlowski Sept. 15, 2022, 3:30 p.m. UTC | #1
On 15/09/2022 11:17, AngeloGioacchino Del Regno wrote:
> Convert the mtk-gce mailbox binding to DT schema format.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>  .../mailbox/mediatek,gce-mailbox.yaml         | 104 ++++++++++++++++++
>  .../devicetree/bindings/mailbox/mtk-gce.txt   |  82 --------------
>  2 files changed, 104 insertions(+), 82 deletions(-)

How is this related to:
https://lore.kernel.org/all/66591c84-ee8d-7152-f0c5-5e4a07f632fb@linaro.org/
?

Changelog? Previous review tag?


Best regards,
Krzysztof
AngeloGioacchino Del Regno Sept. 15, 2022, 4:21 p.m. UTC | #2
Il 15/09/22 17:30, Krzysztof Kozlowski ha scritto:
> On 15/09/2022 11:17, AngeloGioacchino Del Regno wrote:
>> Convert the mtk-gce mailbox binding to DT schema format.
>>
>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
>> ---
>>   .../mailbox/mediatek,gce-mailbox.yaml         | 104 ++++++++++++++++++
>>   .../devicetree/bindings/mailbox/mtk-gce.txt   |  82 --------------
>>   2 files changed, 104 insertions(+), 82 deletions(-)
> 
> How is this related to:
> https://lore.kernel.org/all/66591c84-ee8d-7152-f0c5-5e4a07f632fb@linaro.org/
> ?
> 
> Changelog? Previous review tag?
> 

I completely forgot that I had already sent something similar in the past,
so that was done from scratch :\
I always keep note of what I send, what's accepted, what's not (etc) but,
for some reason, that older series wasn't present in my notes.

In any case, the older series wasn't just a dt schema conversion, but also
changed how we got clocks from the driver, while this one is only a
conversion and nothing else.

Regards,
Angelo

> 
> Best regards,
> Krzysztof
Rob Herring (Arm) Sept. 16, 2022, 1:28 a.m. UTC | #3
On Thu, 15 Sep 2022 12:17:16 +0200, AngeloGioacchino Del Regno wrote:
> Convert the mtk-gce mailbox binding to DT schema format.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>  .../mailbox/mediatek,gce-mailbox.yaml         | 104 ++++++++++++++++++
>  .../devicetree/bindings/mailbox/mtk-gce.txt   |  82 --------------
>  2 files changed, 104 insertions(+), 82 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
>  delete mode 100644 Documentation/devicetree/bindings/mailbox/mtk-gce.txt
> 

My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
on your patch (DT_CHECKER_FLAGS is new in v5.13):

yamllint warnings/errors:

dtschema/dtc warnings/errors:


doc reference errors (make refcheckdocs):
Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: Documentation/devicetree/bindings/mailbox/mtk-gce.txt

See https://patchwork.ozlabs.org/patch/

This check can fail if there are any dependencies. The base for a patch
series is generally the most recent rc1.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit.
kernel test robot Sept. 16, 2022, 3:29 a.m. UTC | #4
Hi AngeloGioacchino,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.0-rc5 next-20220915]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/AngeloGioacchino-Del-Regno/dt-bindings-mailbox-Convert-mtk-gce-to-DT-schema/20220915-181923
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
reproduce:
        # https://github.com/intel-lab-lkp/linux/commit/2bc0d648f46bb6438cd4c7a140a613090ee9c1b0
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review AngeloGioacchino-Del-Regno/dt-bindings-mailbox-Convert-mtk-gce-to-DT-schema/20220915-181923
        git checkout 2bc0d648f46bb6438cd4c7a140a613090ee9c1b0
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        make htmldocs

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> Warning: Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml references a file that doesn't exist: Documentation/devicetree/bindings/mailbox/mtk-gce.txt
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
new file mode 100644
index 000000000000..ac6ca7fc5302
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
@@ -0,0 +1,104 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mailbox/mediatek,gce-mailbox.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek Global Command Engine Mailbox
+
+maintainers:
+  - Houlong Wei <houlong.wei@mediatek.com>
+
+description: |
+  The Global Command Engine (GCE) is used to help read/write registers with
+  critical time limitation, such as updating display configuration during the
+  vblank. The GCE can be used to implement the Command Queue (CMDQ) driver.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt6779-gce
+      - mediatek,mt8173-gce
+      - mediatek,mt8183-gce
+      - mediatek,mt8186-gce
+      - mediatek,mt8192-gce
+      - mediatek,mt8195-gce
+
+  "#mbox-cells":
+    const: 2
+    description:
+      The first cell describes the Thread ID of the GCE,
+      the second cell describes the priority of the GCE thread
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Global Command Engine clock
+
+  clock-names:
+    items:
+      - const: gce
+
+required:
+  - compatible
+  - "#mbox-cells"
+  - reg
+  - interrupts
+  - clocks
+
+if:
+  not:
+    properties:
+      compatible:
+        contains:
+          const: mediatek,mt8195-gce
+then:
+  required:
+    - clock-names
+
+additionalProperties: false
+
+examples:
+  # Example for a device client and for a MediaTek mutex client
+  - |
+    #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/gce/mt8173-gce.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mt8173-power.h>
+
+    gce: mailbox@12120000 {
+        compatible = "mediatek,mt8173-gce";
+        reg = <0x10816000 0x1000>;
+        interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_LOW>;
+        #mbox-cells = <2>;
+        clocks = <&infracfg CLK_INFRA_GCE>;
+        clock-names = "gce";
+    };
+
+    syscon@14000000 {
+        compatible = "mediatek,mt8173-mmsys", "syscon";
+        reg = <0x14000000 0x1000>;
+        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+        mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>,
+                 <&gce 1 CMDQ_THR_PRIO_HIGHEST>;
+        mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
+    };
+
+    mutex@14020000 {
+        compatible = "mediatek,mt8173-disp-mutex";
+        reg = <0x14020000 0x1000>;
+        interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_LOW>;
+        power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
+        clocks = <&mmsys CLK_MM_MUTEX_32K>;
+        mediatek,gce-client-reg = <&gce SUBSYS_1402XXXX 0 0x1000>;
+        mediatek,gce-events = <CMDQ_EVENT_MUTEX0_STREAM_EOF>,
+                              <CMDQ_EVENT_MUTEX1_STREAM_EOF>;
+    };
diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
deleted file mode 100644
index c2aeba63bd47..000000000000
--- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
+++ /dev/null
@@ -1,82 +0,0 @@ 
-MediaTek GCE
-===============
-
-The Global Command Engine (GCE) is used to help read/write registers with
-critical time limitation, such as updating display configuration during the
-vblank. The GCE can be used to implement the Command Queue (CMDQ) driver.
-
-CMDQ driver uses mailbox framework for communication. Please refer to
-mailbox.txt for generic information about mailbox device-tree bindings.
-
-Required properties:
-- compatible: can be "mediatek,mt8173-gce", "mediatek,mt8183-gce",
-  "mediatek,mt8186-gce", "mediatek,mt8192-gce", "mediatek,mt8195-gce" or
-  "mediatek,mt6779-gce".
-- reg: Address range of the GCE unit
-- interrupts: The interrupt signal from the GCE block
-- clock: Clocks according to the common clock binding
-- clock-names: Must be "gce" to stand for GCE clock
-- #mbox-cells: Should be 2.
-	<&phandle channel priority>
-	phandle: Label name of a gce node.
-	channel: Channel of mailbox. Be equal to the thread id of GCE.
-	priority: Priority of GCE thread.
-
-Required properties for a client device:
-- mboxes: Client use mailbox to communicate with GCE, it should have this
-  property and list of phandle, mailbox specifiers.
-Optional properties for a client device:
-- mediatek,gce-client-reg: Specify the sub-system id which is corresponding
-  to the register address, it should have this property and list of phandle,
-  sub-system specifiers.
-  <&phandle subsys_number start_offset size>
-  phandle: Label name of a gce node.
-  subsys_number: specify the sub-system id which is corresponding
-                 to the register address.
-  start_offset: the start offset of register address that GCE can access.
-  size: the total size of register address that GCE can access.
-
-Optional properties for a client mutex node:
-- mediatek,gce-events: GCE events used by clients. The event numbers are
-  defined in 'dt-bindings/gce/<chip>-gce.h'.
-
-Some vaules of properties are defined in 'dt-bindings/gce/mt8173-gce.h',
-'dt-bindings/gce/mt8183-gce.h', 'dt-bindings/gce/mt8186-gce.h'
-'dt-bindings/gce/mt8192-gce.h', 'dt-bindings/gce/mt8195-gce.h' or
-'dt-bindings/gce/mt6779-gce.h'.
-Such as sub-system ids, thread priority, event ids.
-
-Example:
-
-	gce: gce@10212000 {
-		compatible = "mediatek,mt8173-gce";
-		reg = <0 0x10212000 0 0x1000>;
-		interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_LOW>;
-		clocks = <&infracfg CLK_INFRA_GCE>;
-		clock-names = "gce";
-		#mbox-cells = <2>;
-	};
-
-Example for a client device:
-
-	mmsys: clock-controller@14000000 {
-		compatible = "mediatek,mt8173-mmsys";
-		mboxes = <&gce 0 CMDQ_THR_PRIO_LOWEST>,
-			 <&gce 1 CMDQ_THR_PRIO_LOWEST>;
-		mutex-event-eof = <CMDQ_EVENT_MUTEX0_STREAM_EOF
-				CMDQ_EVENT_MUTEX1_STREAM_EOF>;
-		mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x3000 0x1000>,
-					  <&gce SUBSYS_1401XXXX 0x2000 0x100>;
-		...
-	};
-
-Example for a client mutex node:
-	mutex: mutex@14020000 {
-		compatible = "mediatek,mt8173-disp-mutex";
-		reg = <0 0x14020000 0 0x1000>;
-		interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_LOW>;
-		power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
-		clocks = <&mmsys CLK_MM_MUTEX_32K>;
-		mediatek,gce-events = <CMDQ_EVENT_MUTEX0_STREAM_EOF>,
-				      <CMDQ_EVENT_MUTEX1_STREAM_EOF>;
-	};