From patchwork Thu Jul 5 21:46:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Girish Mahadevan X-Patchwork-Id: 10510347 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8ADA6603D7 for ; Thu, 5 Jul 2018 21:46:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6FEF326242 for ; Thu, 5 Jul 2018 21:46:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 61BC226538; Thu, 5 Jul 2018 21:46:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E03E326242 for ; Thu, 5 Jul 2018 21:46:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753405AbeGEVqx (ORCPT ); Thu, 5 Jul 2018 17:46:53 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:60454 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753363AbeGEVqv (ORCPT ); Thu, 5 Jul 2018 17:46:51 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id AC91860B25; Thu, 5 Jul 2018 21:46:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530827210; bh=4XDknn71TJXEbdJUQWahem0nfth96H3hrm5HRpkV18I=; h=From:To:Cc:Subject:Date:From; b=dlHJw113cKxhJoXszKnnVwz3ltjBC22KMqWO+wSk6NDBl/Jd7uVuaXTWPy0ib+RKb liBd/Tj24k3tiVJih/KS44RgQb9S/ZUKoZ51I+4AO3kC0HcKsW7hhwnYHde2s2ilcW eUcUFVivGEh/2Roj+afS0/zdZfwPFpeTN8A321A4= Received: from girishm-lnx.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: girishm@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id CE9CA60251; Thu, 5 Jul 2018 21:46:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530827209; bh=4XDknn71TJXEbdJUQWahem0nfth96H3hrm5HRpkV18I=; h=From:To:Cc:Subject:Date:From; b=AiMTuGTOu6La/MCITJjuauNhOPHblUtN/+wfx+7+X+541+/8fEyHYqj7VCXCqGPJn vJlGkeKxD+WMTl1wGwasdSUWEeBjRCDsk14B04QbTwqFg9mi9Ht9uxAFs2w6JJoaFo c1+5/1ZurVYK0xc714L+ZGcJr9yGXgn377h1oP/U= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org CE9CA60251 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=girishm@codeaurora.org From: Girish Mahadevan To: broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Girish Mahadevan , dianders@chromium.org, swboyd@chromium.org, sdharia@codeaurora.org, kramasub@codeaurora.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: spi: Qualcomm Quad SPI(QSPI) documentation Date: Thu, 5 Jul 2018 15:46:41 -0600 Message-Id: <1530827202-9997-1-git-send-email-girishm@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Girish Mahadevan --- .../devicetree/bindings/spi/qcom,spi-qcom-qspi.txt | 36 ++++++++++++++++++++++ err.txt | 27 ---------------- 2 files changed, 36 insertions(+), 27 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.txt delete mode 100644 err.txt diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.txt b/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.txt new file mode 100644 index 0000000..3baa893 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.txt @@ -0,0 +1,36 @@ +QTI [Qualcomm Technologies Inc] Quad Serial Peripheral Interface (QSPI) + +QSPI [Quad Serial Peripheral Interface] allows single dual and quad read/write +access to slaves. QTI's QSPI controller implements the QSPI protocol to interface +with slaves like NOR Flash devices. + +Required properties: +- compatible: Should contain: + "qcom,qspi-v1" +- reg: Contains the base register location and length +- interrupts: Interrupt number used by the controller. +- clocks: Contains the core and AHB clock names. +- clock-names: "core" for core clock and "iface" for AHB clock. +- spi-max-frequency: Maximum SPI core clock frequency in Hz. + +SPI slave nodes must be children of the SPI master node and can contain +properties described in Documentation/devicetree/bindings/spi/spi-bus.txt + +Example: + + qspi: qspi@7418000 { + compatible = "qcom,qspi-v1"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x7418000 0x600>; + interrupts = <0 459 0>; + clock-names = "iface", "core"; + clocks = <&clock_gcc clk_gcc_qspi_ahb_clk>, + <&clock_gcc clk_gcc_qspi_ser_clk>; + + device@0 { + compatible = "dummy_device"; + reg = ; /* CS for the device */ + spi-max-frequency = ; /* Max supported frequency of the slave (Hz) */ + }; + }; diff --git a/err.txt b/err.txt deleted file mode 100644 index 09000e4..0000000 --- a/err.txt +++ /dev/null @@ -1,27 +0,0 @@ -Skipping hidl generation -arch/arm64/Makefile:23: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum -arch/arm64/Makefile:44: Detected assembler with broken .inst; disassembly will be unreliable - CHK include/config/kernel.release - CHK include/generated/uapi/linux/version.h - CHK include/generated/utsrelease.h - CHK include/generated/bounds.h - CHK include/generated/timeconst.h - CHK include/generated/asm-offsets.h - CALL scripts/checksyscalls.sh - CHK scripts/mod/devicetable-offsets.h - CHK include/generated/compile.h - CHK kernel/config_data.h - CC drivers/mtd/devices/m25p80.o - AR drivers/mtd/devices/built-in.o - AR drivers/mtd/built-in.o - CC drivers/spi/spi-mem.o -drivers/spi/spi-mem.c:12:23: fatal error: internals.h: No such file or directory - #include "internals.h" - ^ -compilation terminated. -make[2]: *** [drivers/spi/spi-mem.o] Error 1 -make[1]: *** [drivers/spi] Error 2 -make: *** [drivers] Error 2 - -#### failed to build some targets (12 seconds) #### -