From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Sibi Sankar <sibis@codeaurora.org>
Cc: p.zabel@pengutronix.de, robh+dt@kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
mark.rutland@arm.com, kyan@codeaurora.org,
akdwived@codeaurora.org, linux-arm-msm@vger.kernel.org,
tsoni@codeaurora.org
Subject: Re: [PATCH v6 1/8] dt-bindings: reset: Add AOSS reset bindings for SDM845 SoCs
Date: Wed, 27 Jun 2018 09:47:14 -0700 [thread overview]
Message-ID: <20180627164714.GK1860@tuxbook-pro> (raw)
In-Reply-To: <20180627142443.1570-1-sibis@codeaurora.org>
On Wed 27 Jun 07:24 PDT 2018, Sibi Sankar wrote:
> Add SDM845 AOSS (always on subsystem) reset controller binding
>
> Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Regards,
Bjorn
> ---
>
> Not including Rob's earlier Reviewed-by due to change in compatible
>
> .../bindings/reset/qcom,aoss-reset.txt | 52 +++++++++++++++++++
> include/dt-bindings/reset/qcom,sdm845-aoss.h | 17 ++++++
> 2 files changed, 69 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/reset/qcom,aoss-reset.txt
> create mode 100644 include/dt-bindings/reset/qcom,sdm845-aoss.h
>
> diff --git a/Documentation/devicetree/bindings/reset/qcom,aoss-reset.txt b/Documentation/devicetree/bindings/reset/qcom,aoss-reset.txt
> new file mode 100644
> index 000000000000..510c748656ec
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/qcom,aoss-reset.txt
> @@ -0,0 +1,52 @@
> +Qualcomm AOSS Reset Controller
> +======================================
> +
> +This binding describes a reset-controller found on AOSS-CC (always on subsystem)
> +for Qualcomm SDM845 SoCs.
> +
> +Required properties:
> +- compatible:
> + Usage: required
> + Value type: <string>
> + Definition: must be:
> + "qcom,sdm845-aoss-cc"
> +
> +- reg:
> + Usage: required
> + Value type: <prop-encoded-array>
> + Definition: must specify the base address and size of the register
> + space.
> +
> +- #reset-cells:
> + Usage: required
> + Value type: <uint>
> + Definition: must be 1; cell entry represents the reset index.
> +
> +Example:
> +
> +aoss_reset: reset-controller@c2a0000 {
> + compatible = "qcom,sdm845-aoss-cc";
> + reg = <0xc2a0000 0x31000>;
> + #reset-cells = <1>;
> +};
> +
> +Specifying reset lines connected to IP modules
> +==============================================
> +
> +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
> +<dt-bindings/reset/qcom,sdm845-aoss.h>
> +
> +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 000000000000..476c5fc873b6
> --- /dev/null
> +++ b/include/dt-bindings/reset/qcom,sdm845-aoss.h
> @@ -0,0 +1,17 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * 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
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
next prev parent reply other threads:[~2018-06-27 16:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-27 14:24 [PATCH v6 1/8] dt-bindings: reset: Add AOSS reset bindings for SDM845 SoCs Sibi Sankar
2018-06-27 14:24 ` [PATCH v6 2/8] reset: qcom: AOSS (always on subsystem) reset controller Sibi Sankar
2018-06-27 16:47 ` Bjorn Andersson [this message]
2018-07-03 2:32 ` [PATCH v6 1/8] dt-bindings: reset: Add AOSS reset bindings for SDM845 SoCs Rob Herring
2018-07-16 10:19 ` Philipp Zabel
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