From mboxrd@z Thu Jan 1 00:00:00 1970 From: ralph.sennhauser@gmail.com (Ralph Sennhauser) Date: Mon, 27 Mar 2017 21:43:00 +0200 Subject: [PATCH v4 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan In-Reply-To: <20170327194301.1104-1-ralph.sennhauser@gmail.com> References: <20170327194301.1104-1-ralph.sennhauser@gmail.com> Message-ID: <20170327194301.1104-5-ralph.sennhauser@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Andrew Lunn The mvebu GPIO driver can also perform PWM on some pins. Use the pwm-fan driver to control the fan of the WRT1900AC, giving us finer grained control over its speed and hence noise. Signed-off-by: Andrew Lunn URL: https://patchwork.ozlabs.org/patch/427291/ [Ralph Sennhauser: drop flags paramter from pwms, no longer used] Signed-off-by: Ralph Sennhauser --- arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts index 9efcf59..6d705f5 100644 --- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts +++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts @@ -308,13 +308,11 @@ }; }; - gpio_fan { + pwm_fan { /* SUNON HA4010V4-0000-C99 */ - compatible = "gpio-fan"; - gpios = <&gpio0 24 0>; - gpio-fan,speed-map = <0 0 - 4500 1>; + compatible = "pwm-fan"; + pwms = <&gpio0 24 4000>; }; dsa { -- 2.10.2