linux-kernel - [PATCH V2 2/7] dt-bindings: i2c: i2c-imx-lpi2c: add ipg clk

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Message-Id: <20220816125526.2978895-3-peng.fan@oss.nxp.com>
Date:   Tue, 16 Aug 2022 20:55:21 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     aisheng.dong@....com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        xiaoning.wang@....com, Peng Fan <peng.fan@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH V2 2/7] dt-bindings: i2c: i2c-imx-lpi2c: add ipg clk

From: Peng Fan <peng.fan@....com>

i.MX LPI2C actually requires dual clock: per clock and ipg clock, so add
both.

Signed-off-by: Peng Fan <peng.fan@....com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
index 529bea56d324..e42e35003eae 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
@@ -37,10 +37,12 @@ properties:
   clock-frequency: true
 
   clock-names:
-    maxItems: 1
+    items:
+      - const: per
+      - const: ipg
 
   clocks:
-    maxItems: 1
+    maxItems: 2
 
   power-domains:
     maxItems: 1
@@ -63,5 +65,6 @@ examples:
         reg = <0x40A50000 0x10000>;
         interrupt-parent = <&intc>;
         interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
-        clocks = <&clks IMX7ULP_CLK_LPI2C7>;
+        clocks = <&clks IMX7ULP_CLK_LPI2C7>,
+                 <&clks IMX7ULP_CLK_NIC1_BUS_DIV>;
     };
-- 
2.37.1