From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vishnu Patekar Subject: [PATCH 06/14] ARM: dts: sun8i-a83t: Correct low speed oscillator clocks Date: Sun, 31 Jan 2016 09:20:58 +0800 Message-ID: <1454203266-4450-7-git-send-email-vishnupatekar0510@gmail.com> References: <1454203266-4450-1-git-send-email-vishnupatekar0510@gmail.com> Reply-To: vishnupatekar0510-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <1454203266-4450-1-git-send-email-vishnupatekar0510-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, corbet-T1hC0tSOHrs@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, emilio-0Z03zUJReD5OxF6Tv1QG9Q@public.gmane.org Cc: jenskuske-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org, sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, patchesrdh-I1/eAgTnXDYAvxtiuMwx3w@public.gmane.org, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org From: Chen-Yu Tsai The A83T does not have a 32.768 kHz low speed oscillator, either as an external crystal or input. It has a 16 MHz RC-based (inaccurate) internal oscillator, which is then divided by 512 for a clock close to 32 kHz. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun8i-a83t.dtsi | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi index 8d27b63..45b725c 100644 --- a/arch/arm/boot/dts/sun8i-a83t.dtsi +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi @@ -118,6 +118,7 @@ #size-cells = <1>; ranges; + /* TODO: PRCM block has a mux for this. */ osc24M: osc24M_clk { #clock-cells = <0>; compatible = "fixed-clock"; @@ -125,11 +126,25 @@ clock-output-names = "osc24M"; }; - osc32k: osc32k_clk { + /* + * This is called "internal OSC" in some places. + * It is an internal RC-based oscillator. + * TODO: Its controls are in the PRCM block. + */ + osc16M: osc16M_clk { #clock-cells = <0>; compatible = "fixed-clock"; - clock-frequency = <32768>; - clock-output-names = "osc32k"; + clock-frequency = <16000000>; + clock-output-names = "osc16M"; + }; + + osc16Md512: osc16Md512_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clock-div = <512>; + clock-mult = <1>; + clocks = <&osc16M>; + clock-output-names = "osc16Md512"; }; }; -- 1.9.1