Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752047AbaBKGpo (ORCPT ); Tue, 11 Feb 2014 01:45:44 -0500 Received: from tx2ehsobe005.messaging.microsoft.com ([65.55.88.15]:2955 "EHLO tx2outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751242AbaBKGpO (ORCPT ); Tue, 11 Feb 2014 01:45:14 -0500 X-Forefront-Antispam-Report: CIP:70.37.183.190;KIP:(null);UIP:(null);IPV:NLI;H:mail.freescale.net;RD:none;EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah21bch1fc6hzdchz1de098h8275bh1de097hz2dh2a8h839he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h24afh2327h2336h2438h2461h2487h24d7h2516h2545h255eh1155h) From: Xiubo Li To: , , CC: , , , , Xiubo Li Subject: [PATCH 2/2] ASoC: fsl-esai: big-endian support Date: Tue, 11 Feb 2014 13:41:16 +0800 Message-ID: <1392097276-14705-2-git-send-email-Li.Xiubo@freescale.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1392097276-14705-1-git-send-email-Li.Xiubo@freescale.com> References: <1392097276-14705-1-git-send-email-Li.Xiubo@freescale.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-FOPE-CONNECTOR: Id%0$Dn%FREESCALE.MAIL.ONMICROSOFT.COM$RO%1$TLS%0$FQDN%$TlsDn% Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For most platforms, the CPU and ESAI device is in the same endianess mode. While for the LS1 platform, the CPU is in LE mode and the ESAI is in BE mode. Signed-off-by: Xiubo Li Cc: Nicolin Chen --- Documentation/devicetree/bindings/sound/fsl,esai.txt | 6 ++++++ sound/soc/fsl/fsl_esai.c | 7 ++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/fsl,esai.txt b/Documentation/devicetree/bindings/sound/fsl,esai.txt index d7b99fa..c395371 100644 --- a/Documentation/devicetree/bindings/sound/fsl,esai.txt +++ b/Documentation/devicetree/bindings/sound/fsl,esai.txt @@ -34,6 +34,11 @@ Required properties: that ESAI would work in the synchronous mode, which means all the settings for Receiving would be duplicated from Transmition related registers. + - big-endian : If this property is absent, the native endian mode will + be in use as default, or the big endian mode will be in use for all the + device registers. + + Example: esai: esai@02024000 { @@ -46,5 +51,6 @@ esai: esai@02024000 { dma-names = "rx", "tx"; fsl,fifo-depth = <128>; fsl,esai-synchronous; + big-endian; status = "disabled"; }; diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c index c84026c..e1f2669 100644 --- a/sound/soc/fsl/fsl_esai.c +++ b/sound/soc/fsl/fsl_esai.c @@ -57,6 +57,7 @@ struct fsl_esai { bool sck_div[2]; bool slave_mode; bool synchronous; + bool big_endian; char name[32]; }; @@ -661,7 +662,7 @@ static bool fsl_esai_writeable_reg(struct device *dev, unsigned int reg) } } -static const struct regmap_config fsl_esai_regmap_config = { +static struct regmap_config fsl_esai_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, @@ -687,6 +688,10 @@ static int fsl_esai_probe(struct platform_device *pdev) esai_priv->pdev = pdev; strcpy(esai_priv->name, np->name); + esai_priv->big_endian = of_property_read_bool(np, "big-endian"); + if (esai_priv->big_endian) + fsl_esai_regmap_config.val_format_endian = REGMAP_ENDIAN_BIG; + /* Get the addresses and IRQ */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); regs = devm_ioremap_resource(&pdev->dev, res); -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/