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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Vladimir Zapolskiy <vz@mleia.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.9 052/271] ARM: dts: lpc32xx: add required clocks property to keypad device node
Date:   Tue, 28 Jan 2020 15:03:21 +0100
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From: Vladimir Zapolskiy <vz@mleia.com>

[ Upstream commit 3e88bc38b9f6fe4b69cecf81badd3c19fde97f97 ]

NXP LPC32xx keypad controller requires a clock property to be defined.

The change fixes the driver initialization problem:

  lpc32xx_keys 40050000.key: failed to get clock
  lpc32xx_keys: probe of 40050000.key failed with error -2

Fixes: 93898eb775e5 ("arm: dts: lpc32xx: add clock properties to device nodes")
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/lpc32xx.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
index 5fa3111731cb0..da375813afd04 100644
--- a/arch/arm/boot/dts/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/lpc32xx.dtsi
@@ -462,6 +462,7 @@
 			key: key@40050000 {
 				compatible = "nxp,lpc3220-key";
 				reg = <0x40050000 0x1000>;
+				clocks = <&clk LPC32XX_CLK_KEY>;
 				interrupts = <54 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 			};
-- 
2.20.1