From patchwork Fri Dec 5 20:10:43 2008 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Vorontsov X-Patchwork-Id: 12502 X-Patchwork-Delegate: galak@kernel.crashing.org Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [127.0.0.1]) by ozlabs.org (Postfix) with ESMTP id 8F5E0DDDEE for ; Sat, 6 Dec 2008 07:14:44 +1100 (EST) X-Original-To: linuxppc-dev@ozlabs.org Delivered-To: linuxppc-dev@ozlabs.org Received: from buildserver.ru.mvista.com (unknown [85.21.88.6]) by ozlabs.org (Postfix) with ESMTP id EAC4BDDF17 for ; Sat, 6 Dec 2008 07:10:44 +1100 (EST) Received: from localhost (unknown [10.150.0.9]) by buildserver.ru.mvista.com (Postfix) with ESMTP id 738688825; Sat, 6 Dec 2008 01:10:44 +0400 (SAMT) Date: Fri, 5 Dec 2008 23:10:43 +0300 From: Anton Vorontsov To: Kumar Gala , David Brownell Subject: [PATCH 7/7] powerpc/83xx: Add mmc-spi support via the device tree for MPC8323E-RDB Message-ID: <20081205201043.GG19758@oksana.dev.rtsoft.ru> References: <20081205200936.GA19137@oksana.dev.rtsoft.ru> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20081205200936.GA19137@oksana.dev.rtsoft.ru> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: linuxppc-dev@ozlabs.org, spi-devel-general@lists.sourceforge.net X-BeenThere: linuxppc-dev@ozlabs.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@ozlabs.org - Add gpio-controller node to manage QE GPIO Bank D; - Add mmc-spi node; - Modify board file so that it won't use legacy SPI support with the new device trees. Signed-off-by: Anton Vorontsov --- arch/powerpc/boot/dts/mpc832x_rdb.dts | 24 ++++++++++++++++++++++++ arch/powerpc/platforms/83xx/mpc832x_rdb.c | 6 ++++++ 2 files changed, 30 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts index dea3091..4319bd7 100644 --- a/arch/powerpc/boot/dts/mpc832x_rdb.dts +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -152,10 +152,21 @@ }; par_io@1400 { + #address-cells = <1>; + #size-cells = <1>; reg = <0x1400 0x100>; + ranges = <3 0x1448 0x18>; + compatible = "fsl,mpc8323-qe-pario"; device_type = "par_io"; num-ports = <7>; + qe_pio_d: gpio-controller@1448 { + #gpio-cells = <2>; + compatible = "fsl,mpc8323-qe-pario-bank"; + reg = <3 0x18>; + gpio-controller; + }; + ucc2pio:ucc_pin@02 { pio-map = < /* port pin dir open_drain assignment has_irq */ @@ -225,12 +236,25 @@ }; spi@4c0 { + #address-cells = <1>; + #size-cells = <0>; cell-index = <0>; compatible = "fsl,spi"; reg = <0x4c0 0x40>; interrupts = <2>; interrupt-parent = <&qeic>; + gpios = <&qe_pio_d 13 0>; mode = "cpu-qe"; + + mmc-slot@0 { + compatible = "fsl,mpc8323rdb-mmc-slot", + "mmc-spi-slot"; + reg = <0>; + gpios = <&qe_pio_d 14 1 + &qe_pio_d 15 0>; + voltage-ranges = <3300 3300>; + spi-max-frequency = <50000000>; + }; }; spi@500 { diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 17abbd2..567ded7 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -175,6 +175,12 @@ static int __init mpc832x_spi_init(void) par_io_config_pin(3, 14, 2, 0, 0, 0); /* SD_INSERT, I */ par_io_config_pin(3, 15, 2, 0, 0, 0); /* SD_PROTECT,I */ + /* + * Don't bother with legacy stuff when device tree contains + * mmc-spi-slot node. + */ + if (of_find_compatible_node(NULL, NULL, "mmc-spi-slot")) + return 0; return fsl_spi_init(&mpc832x_spi_boardinfo, 1, mpc83xx_spi_cs_control); } machine_device_initcall(mpc832x_rdb, mpc832x_spi_init);