From mboxrd@z Thu Jan 1 00:00:00 1970 From: laurent.pinchart@ideasonboard.com (Laurent Pinchart) Date: Fri, 30 Nov 2012 13:30:44 +0100 Subject: [PATCH 3/5] ARM: mach-shmobile: sh73a0: Initialise MMCIF using DT In-Reply-To: <1354265085-2444-4-git-send-email-horms@verge.net.au> References: <1354265085-2444-1-git-send-email-horms@verge.net.au> <1354265085-2444-4-git-send-email-horms@verge.net.au> Message-ID: <3094701.LTMQnxTPNp@avalon> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Simon, Thank you for the patch. On Friday 30 November 2012 17:44:43 Simon Horman wrote: > From: Simon Horman > > This device also requires a voltage regulator which > should be defined in a board-specific maner. An example > dts snipped follows. > > / { > fixedregulator1v8: fixedregulator at 0 { > compatible = "regulator-fixed"; > regulator-name = "fixed-1.8V"; > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > }; > }; > > &mmcif { > vmmc-supply = <&fixedregulator1v8>; > vqmmc-supply = <&fixedregulator1v8>; > }; > > Signed-off-by: Simon Horman > > --- > > v2 > * Removed SDHI intitialisation as the driver needs updating first > * Moved MMC DT from sh73a0.dtsi to sh73a0-reference.dtsi > as it is not appropriate for use by sh73a0-kzm9g.dts yet. > This is because sh73a0-kzm9g.dts and board-kzm9g.c use > both the GIC and INTC interrupt controllers to provide > access to a rich set of devices. This is achieved by initilising > the interrupt controllers using C code. Work on allowing the INC > controller to be initialised using DT is in progress, however, > until that is complete only GIC may be initialised using DT. > * Add extra entries to clock-sh73a0.c:lookups[] and > remove auxdata. Ultimtely the clocks will be described > in DT, but the code isn't there yet. Could you please add this as a TO-DO item either in the commit message or in arch/arm/mach-shmobile/clock-sh73a0.c ? > --- > arch/arm/boot/dts/sh73a0-reference.dtsi | 24 ++++++++++++++++++++++++ > arch/arm/mach-shmobile/clock-sh73a0.c | 1 + > 2 files changed, 25 insertions(+) > create mode 100644 arch/arm/boot/dts/sh73a0-reference.dtsi > > diff --git a/arch/arm/boot/dts/sh73a0-reference.dtsi > b/arch/arm/boot/dts/sh73a0-reference.dtsi new file mode 100644 > index 0000000..d4bb012 > --- /dev/null > +++ b/arch/arm/boot/dts/sh73a0-reference.dtsi > @@ -0,0 +1,24 @@ > +/* > + * Device Tree Source for the SH73A0 SoC > + * > + * Copyright (C) 2012 Renesas Solutions Corp. > + * > + * This file is licensed under the terms of the GNU General Public License > + * version 2. This program is licensed "as is" without any warranty of any > + * kind, whether express or implied. > + */ > + > +/include/ "sh73a0.dtsi" > + > +/ { > + compatible = "renesas,sh73a0"; > + > + mmcif: mmcif at 0x10010000 { > + compatible = "renesas,sh-mmcif"; > + reg = <0xe6bd0000 0x100>; > + interrupt-parent = <&gic>; > + interrupts = <0 140 0x4 > + 0 141 0x4>; > + reg-io-width = <4>; > + }; > +}; > diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c > b/arch/arm/mach-shmobile/clock-sh73a0.c index 8bc7a2b..0908123 100644 > --- a/arch/arm/mach-shmobile/clock-sh73a0.c > +++ b/arch/arm/mach-shmobile/clock-sh73a0.c > @@ -576,6 +576,7 @@ static struct clk_lookup lookups[] = { > CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ > CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ > CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ > + CLKDEV_DEV_ID("e6bd0000.mmcif", &mstp_clks[MSTP312]), /* MMCIF0 */ > CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */ > CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */ > CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */ -- Regards, Laurent Pinchart