From patchwork Wed Sep 25 18:49:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Heiko_St=C3=BCbner?= X-Patchwork-Id: 11161233 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 74FD317D4 for ; Wed, 25 Sep 2019 18:50:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 53E7B222BE for ; Wed, 25 Sep 2019 18:50:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="avaqh+9A" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 53E7B222BE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sntech.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=s4Rt0i4mVkV7D6btBanQwRMEjEh1+UAsh/gRw0C7qE8=; b=avaqh+9Agi5w4M YKZSHPcYalGTuEHSaAmOHRCzOFSV1HKfKRUzpOjCyT17lLKQy1gRAw8gCKxU2PRzOXl2Z5GGB1Y+m 1X4GYvBFxUvQBiPLVeeGSealt+sloqtGZXtO4rbq/XR/LGi8DQEOxC4y/9Ypk3T8bDvmLIZ5NQA8m u8+p4RjikXD+xC55Gk+gNHTPWcux1VZIB2Hk5yIHT5sJXykAGY+xxKhUf9RMFIHsYPZpnZmz0P3oi 4oVH0v9ZS7Sb5TjPtehEkNN7naswPiwqgi5LfP7wTrogfPyN+4/exjPtktGNcVOL8/l0V8taWt+eW w/+hFdQbCe86IZSNuwyw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iDCMi-0002rb-TP; Wed, 25 Sep 2019 18:50:16 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iDCMf-0002qp-HG; Wed, 25 Sep 2019 18:50:14 +0000 Received: from muedsl-82-207-238-254.citykom.de ([82.207.238.254] helo=phil.fritz.box) by gloria.sntech.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1iDCMb-0005K2-1f; Wed, 25 Sep 2019 20:50:09 +0200 From: Heiko Stuebner To: srinivas.kandagatla@linaro.org Subject: [PATCH 1/2] dt-bindings: nvmem: add binding for Rockchip OTP controller Date: Wed, 25 Sep 2019 20:49:56 +0200 Message-Id: <20190925184957.14338-1-heiko@sntech.de> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190925_115013_717400_8F9D0FD9 X-CRM114-Status: GOOD ( 11.28 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, Heiko Stuebner , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, christoph.muellner@theobroma-systems.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Newer Rockchip SoCs use a different IP for accessing special one- time-programmable memory, so add a binding for these controllers. Signed-off-by: Heiko Stuebner Reviewed-by: Rob Herring --- .../bindings/nvmem/rockchip-otp.txt | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/rockchip-otp.txt diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-otp.txt b/Documentation/devicetree/bindings/nvmem/rockchip-otp.txt new file mode 100644 index 000000000000..40f649f7c2e5 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/rockchip-otp.txt @@ -0,0 +1,25 @@ +Rockchip internal OTP (One Time Programmable) memory device tree bindings + +Required properties: +- compatible: Should be one of the following. + - "rockchip,px30-otp" - for PX30 SoCs. + - "rockchip,rk3308-otp" - for RK3308 SoCs. +- reg: Should contain the registers location and size +- clocks: Must contain an entry for each entry in clock-names. +- clock-names: Should be "otp", "apb_pclk" and "phy". +- resets: Must contain an entry for each entry in reset-names. + See ../../reset/reset.txt for details. +- reset-names: Should be "phy". + +See nvmem.txt for more information. + +Example: + otp: otp@ff290000 { + compatible = "rockchip,px30-otp"; + reg = <0x0 0xff290000 0x0 0x4000>; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cru SCLK_OTP_USR>, <&cru PCLK_OTP_NS>, + <&cru PCLK_OTP_PHY>; + clock-names = "otp", "apb_pclk", "phy"; + };