linux-kernel - [PATCH v4 16/16] dt-bindings: clock: fix some conversion clock issues for rockchip,rk3399-cru.yaml

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Message-Id: <20220402143636.15222-17-jbx6244@gmail.com>
Date:   Sat,  2 Apr 2022 16:36:36 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     heiko@...ech.de, zhangqing@...k-chips.com
Cc:     robh+dt@...nel.org, krzk+dt@...nel.org, mturquette@...libre.com,
        sboyd@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 16/16] dt-bindings: clock: fix some conversion clock issues for rockchip,rk3399-cru.yaml

With the YAML conversion somehow "assigned-xxx" properties where added.
If a proper clock is added to the cru node these properties are no longer
needed, so removed them.

With the conversion of rockchip,rk3399-cru.txt a table with external clocks
was copied. Include these clocks into the schema.

Add clocks and clocks-names to example and make them a requirement.
Reorder/restyle so that this file is line with the other Rockchip
CRU bindings.

Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
 .../bindings/clock/rockchip,rk3399-cru.yaml   | 55 ++++++++++---------
 1 file changed, 28 insertions(+), 27 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.yaml
index e91147c84..4574727da 100644
--- a/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.yaml
+++ b/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.yaml
@@ -20,15 +20,8 @@ description: |
   used in device tree sources. Similar macros exist for the reset sources in
   these files.
   There are several clocks that are generated outside the SoC. It is expected
-  that they are defined using standard clock bindings with following
-  clock-output-names:
-    - "xin24m" - crystal input - required,
-    - "xin32k" - rtc clock - optional,
-    - "clkin_gmac" - external GMAC clock - optional,
-    - "clkin_i2s" - external I2S clock - optional,
-    - "pclkin_cif" - external ISP clock - optional,
-    - "clk_usbphy0_480m" - output clock of the pll in the usbphy0
-    - "clk_usbphy1_480m" - output clock of the pll in the usbphy1
+  that they are defined using standard clock bindings with the
+  clock-output-names defined in this schema.
 
 properties:
   compatible:
@@ -39,37 +32,41 @@ properties:
   reg:
     maxItems: 1
 
-  "#clock-cells":
-    const: 1
-
-  "#reset-cells":
-    const: 1
-
   clocks:
     minItems: 1
+    maxItems: 7
 
-  assigned-clocks:
-    minItems: 1
-    maxItems: 64
-
-  assigned-clock-parents:
+  clock-names:
     minItems: 1
-    maxItems: 64
-
-  assigned-clock-rates:
-    minItems: 1
-    maxItems: 64
+    maxItems: 7
+    items:
+      enum:
+        - xin24m
+        - xin32k
+        - clkin_gmac
+        - clkin_i2s
+        - clk_usbphy0_480m
+        - clk_usbphy1_480m
+        - pclkin_cif
 
   rockchip,grf:
     $ref: /schemas/types.yaml#/definitions/phandle
-    description: >
-      phandle to the syscon managing the "general register files". It is used
+    description:
+      Phandle to the syscon managing the "general register files". It is used
       for GRF muxes, if missing any muxes present in the GRF will not be
       available.
 
+  "#clock-cells":
+    const: 1
+
+  "#reset-cells":
+    const: 1
+
 required:
   - compatible
   - reg
+  - clocks
+  - clock-names
   - "#clock-cells"
   - "#reset-cells"
 
@@ -80,6 +77,8 @@ examples:
     pmucru: clock-controller@...50000 {
       compatible = "rockchip,rk3399-pmucru";
       reg = <0xff750000 0x1000>;
+      clocks = <&xin24m>;
+      clock-names = "xin24m";
       #clock-cells = <1>;
       #reset-cells = <1>;
     };
@@ -87,6 +86,8 @@ examples:
     cru: clock-controller@...60000 {
       compatible = "rockchip,rk3399-cru";
       reg = <0xff760000 0x1000>;
+      clocks = <&xin24m>;
+      clock-names = "xin24m";
       #clock-cells = <1>;
       #reset-cells = <1>;
     };
-- 
2.20.1