From patchwork Fri Sep 13 12:12:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gareth Williams X-Patchwork-Id: 11144563 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 69F9914E5 for ; Fri, 13 Sep 2019 12:13:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 529302089F for ; Fri, 13 Sep 2019 12:13:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729805AbfIMMNE (ORCPT ); Fri, 13 Sep 2019 08:13:04 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:46470 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729760AbfIMMNE (ORCPT ); Fri, 13 Sep 2019 08:13:04 -0400 X-IronPort-AV: E=Sophos;i="5.64,501,1559487600"; d="scan'208";a="26313271" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 13 Sep 2019 21:13:03 +0900 Received: from renesas-VirtualBox.ree.adwin.renesas.com (unknown [10.226.37.56]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 04D1D4001DDD; Fri, 13 Sep 2019 21:13:01 +0900 (JST) From: Gareth Williams To: Mark Brown Cc: Phil Edworthy , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, Gareth Williams Subject: [PATCH 3/3] spi: dw: Add compatible string for Renesas RZ/N1 SPI Controller Date: Fri, 13 Sep 2019 13:12:00 +0100 Message-Id: <1568376720-7402-4-git-send-email-gareth.williams.jx@renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1568376720-7402-1-git-send-email-gareth.williams.jx@renesas.com> References: <1568376720-7402-1-git-send-email-gareth.williams.jx@renesas.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Phil Edworthy The Renesas RZ/N1 SPI Controller is based on the Synopsys DW SSI, but has additional registers for software CS control and DMA. This patch does not address the changes required for DMA support, it simply adds the compatible string. The CS registers are not needed as Linux can use gpios for the CS signals. Signed-off-by: Gareth Williams Signed-off-by: Phil Edworthy --- drivers/spi/spi-dw-mmio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c index edb3cf6..3640b01 100644 --- a/drivers/spi/spi-dw-mmio.c +++ b/drivers/spi/spi-dw-mmio.c @@ -225,6 +225,7 @@ static const struct of_device_id dw_spi_mmio_of_match[] = { { .compatible = "mscc,ocelot-spi", .data = dw_spi_mscc_ocelot_init}, { .compatible = "mscc,jaguar2-spi", .data = dw_spi_mscc_jaguar2_init}, { .compatible = "amazon,alpine-dw-apb-ssi", .data = dw_spi_alpine_init}, + { .compatible = "renesas,rzn1-spi", }, { /* end of table */} }; MODULE_DEVICE_TABLE(of, dw_spi_mmio_of_match);