From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Andersson Subject: Re: [PATCH v3 1/7] dt-bindings: reset: Add AOSS reset bindings for SDM845 SoCs Date: Sun, 18 Mar 2018 15:44:59 -0700 Message-ID: <20180318224459.GC5626@tuxbook-pro> References: <1521019283-32212-1-git-send-email-sibis@codeaurora.org> <1521019283-32212-2-git-send-email-sibis@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1521019283-32212-2-git-send-email-sibis@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: Sibi S Cc: p.zabel@pengutronix.de, robh+dt@kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, georgi.djakov@linaro.org, jassisinghbrar@gmail.com, ohad@wizery.com, mark.rutland@arm.com, kyan@codeaurora.org, sricharan@codeaurora.org, akdwived@codeaurora.org, linux-arm-msm@vger.kernel.org, tsoni@codeaurora.org List-Id: devicetree@vger.kernel.org On Wed 14 Mar 02:21 PDT 2018, Sibi S wrote: > +- reg: > + Usage: required > + Value type: > + Definition: must specify the base address and size of the register > + space. > + > + Double empty lines. > +- #reset-cells: > + Usage: required > + Value type: > + Definition: must be 1; cell entry represents the reset index. > + > +example: Please capitalize the initial char. > + > +aoss_reset: qcom,reset-controller@b2e0100 { > + compatible = "qcom,sdm845-aoss-reset"; > + reg = <0xc2b0000 0x20004>; 0x20004 does seem very even, please verify this size. > + #reset-cells = <1>; > +}; > + > + > +Specifying reset lines connected to IP modules "AOSS reset clients" Although you could probably get a way with just referring to reset.txt and the header file. > +============================================== > + > +Device nodes that need access to reset lines should > +specify them as a reset phandle in their corresponding node as > +specified in reset.txt. > + > +For list of all valid reset indicies see > + > + > +Example: > + > +modem-pil@4080000 { > + ... > + > + resets = <&aoss_reset AOSS_CC_MSS_RESTART>; > + reset-names = "mss_restart"; > + > + ... > +}; > diff --git a/include/dt-bindings/reset/qcom,sdm845-aoss.h b/include/dt-bindings/reset/qcom,sdm845-aoss.h > new file mode 100644 > index 0000000..e9b38fc > --- /dev/null > +++ b/include/dt-bindings/reset/qcom,sdm845-aoss.h > @@ -0,0 +1,17 @@ > +// SPDX-License-Identifier: GPL-2.0 For tooling reasons header files should have their SPDX License tag wrapped in /* */ > +/* > + * Copyright (C) 2018 The Linux Foundation. All rights reserved. > + */ > + > +#ifndef _DT_BINDINGS_RESET_AOSS_SDM_845_H > +#define _DT_BINDINGS_RESET_AOSS_SDM_845_H > + > +#define AOSS_CC_MSS_RESTART 0 > +#define AOSS_CC_CAMSS_RESTART 1 > +#define AOSS_CC_VENUS_RESTART 2 > +#define AOSS_CC_GPU_RESTART 3 > +#define AOSS_CC_DISPSS_RESTART 4 > +#define AOSS_CC_WCSS_RESTART 5 > +#define AOSS_CC_LPASS_RESTART 6 > + > +#endif Apart from these nits this looks reasonable. Regards, Bjorn