From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 06/17] ARM: dts: Add missing slimbus node and binding for omap4 Date: Mon, 11 Sep 2017 16:41:09 -0500 Message-ID: <20170911214109.35o4anadormbvyrc@rob-hp-laptop> References: <20170830151953.30856-1-tony@atomide.com> <20170830151953.30856-7-tony@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20170830151953.30856-7-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Tony Lindgren Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, =?iso-8859-1?Q?Beno=EEt?= Cousson , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Liam Girdwood , Mark Brown , Mark Rutland , Peter Ujfalusi List-Id: devicetree@vger.kernel.org On Wed, Aug 30, 2017 at 08:19:42AM -0700, Tony Lindgren wrote: > On omap4 we're missing the slimbus node and it's related > "ti,hwmods" property that the SoC interconnect code needs. > > Note that this will only show up as a bug with "doesn't have > mpu register target base" boot errors when the legacy platform > data is removed. > > Let's also add the missing slimbus device tree binding > documentation while at it. > > Cc: Liam Girdwood > Cc: Mark Brown > Cc: Mark Rutland > Cc: Peter Ujfalusi > Cc: Rob Herring > Signed-off-by: Tony Lindgren > --- > .../devicetree/bindings/sound/ti-slimbus.txt | 34 ++++++++++++++++++++++ > arch/arm/boot/dts/omap4.dtsi | 17 +++++++++++ > 2 files changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/ti-slimbus.txt > > diff --git a/Documentation/devicetree/bindings/sound/ti-slimbus.txt b/Documentation/devicetree/bindings/sound/ti-slimbus.txt > new file mode 100644 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/ti-slimbus.txt > @@ -0,0 +1,34 @@ > +Texas Instruments Serial Low-power Inter-chip Media Bus (SLIMbus) binding > + > +SLIMbus is used for communication between digital audio components and the SoC. > + > + > +Required properties: > + > +compatible: Shall be one of the following: > + "ti,omap4-slimbus" > + > +reg: Shall contain the device instance IO range If there's more than 1, you need to state how many. > + > +interrupts: Shall contain the device instance interrupt > + > + > +Optional properties: > + > +reg-names: Shall contain the IO range names if multiple IO > + ranges are used by the SoC Need to define what the names are. > + > +ti,hwmods: Shall contain the TI interconnect module name if needed > + by the SoC > + > + > +Example: > + > + slimbus1: slimbus@4012c000 { > + compatible = "ti,omap4-slimbus"; > + reg = <0x4012c000 0x400>, /* MPU private access */ > + <0x4902c000 0x400>; /* L3 Interconnect */ > + reg-names = "mpu", "dma"; > + interrupts = ; > + ti,hwmods = "slimbus1"; > + }; > diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi > --- a/arch/arm/boot/dts/omap4.dtsi > +++ b/arch/arm/boot/dts/omap4.dtsi > @@ -382,6 +382,14 @@ > #interrupt-cells = <2>; > }; > > + slimbus2: slimbus@48076000 { > + compatible = "ti,omap4-slimbus"; > + reg = <0x48076000 0x400>; > + reg-names = "mpu"; > + interrupts = ; > + ti,hwmods = "slimbus2"; > + }; > + > elm: elm@48078000 { > compatible = "ti,am3352-elm"; > reg = <0x48078000 0x2000>; > @@ -711,6 +719,15 @@ > status = "disabled"; > }; > > + slimbus1: slimbus@4012c000 { > + compatible = "ti,omap4-slimbus"; > + reg = <0x4012c000 0x400>, /* MPU private access */ > + <0x4902c000 0x400>; /* L3 Interconnect */ > + reg-names = "mpu", "dma"; > + interrupts = ; > + ti,hwmods = "slimbus1"; > + }; > + > mcbsp4: mcbsp@48096000 { > compatible = "ti,omap4-mcbsp"; > reg = <0x48096000 0xff>; /* L4 Interconnect */ > -- > 2.14.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html