linux-kernel - [PATCH v3 2/7] dt-bindings: clock: meson: a1: pll: introduce new syspll bindings

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Message-ID: <20240515185103.20256-3-ddrokosov@salutedevices.com>
Date: Wed, 15 May 2024 21:47:25 +0300
From: Dmitry Rokosov <ddrokosov@...utedevices.com>
To: <neil.armstrong@...aro.org>, <jbrunet@...libre.com>,
	<mturquette@...libre.com>, <sboyd@...nel.org>, <robh+dt@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <khilman@...libre.com>,
	<martin.blumenstingl@...glemail.com>
CC: <jian.hu@...ogic.com>, <kernel@...rdevices.ru>, <rockosov@...il.com>,
	<linux-amlogic@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, Dmitry Rokosov
	<ddrokosov@...utedevices.com>
Subject: [PATCH v3 2/7] dt-bindings: clock: meson: a1: pll: introduce new syspll bindings

The 'syspll' PLL is a general-purpose PLL designed specifically for the
CPU clock. It is capable of producing output frequencies within the
range of 768MHz to 1536MHz.

The 'syspll_in' source clock is an optional parent connection from the
peripherals clock controller.

Signed-off-by: Dmitry Rokosov <ddrokosov@...utedevices.com>
---
 .../devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml   | 9 +++++++--
 include/dt-bindings/clock/amlogic,a1-pll-clkc.h          | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
index a59b188a8bf5..c99274d2a9bd 100644
--- a/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
+++ b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
@@ -26,11 +26,15 @@ properties:
     items:
       - description: input fixpll_in
       - description: input hifipll_in
+      - description: input syspll_in
+    minItems: 2 # syspll_in is optional
 
   clock-names:
     items:
       - const: fixpll_in
       - const: hifipll_in
+      - const: syspll_in
+    minItems: 2 # syspll_in is optional
 
 required:
   - compatible
@@ -53,7 +57,8 @@ examples:
             reg = <0 0x7c80 0 0x18c>;
             #clock-cells = <1>;
             clocks = <&clkc_periphs CLKID_FIXPLL_IN>,
-                     <&clkc_periphs CLKID_HIFIPLL_IN>;
-            clock-names = "fixpll_in", "hifipll_in";
+                     <&clkc_periphs CLKID_HIFIPLL_IN>,
+                     <&clkc_periphs CLKID_SYSPLL_IN>;
+            clock-names = "fixpll_in", "hifipll_in", "syspll_in";
         };
     };
diff --git a/include/dt-bindings/clock/amlogic,a1-pll-clkc.h b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
index 2b660c0f2c9f..0dfc5e78a2d5 100644
--- a/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
+++ b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
@@ -21,5 +21,6 @@
 #define CLKID_FCLK_DIV5		8
 #define CLKID_FCLK_DIV7		9
 #define CLKID_HIFI_PLL		10
+#define CLKID_SYS_PLL		11
 
 #endif /* __A1_PLL_CLKC_H */
-- 
2.43.0