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SubjectRe: [PATCH v3 1/7] dt-bindings: reset: Add AOSS reset bindings for SDM845 SoCs
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Hi Bjorn,
Thanks for the review.

On 03/19/2018 04:14 AM, Bjorn Andersson wrote:
> On Wed 14 Mar 02:21 PDT 2018, Sibi S wrote:
>> +- reg:
>> + Usage: required
>> + Value type: <prop-encoded-array>
>> + Definition: must specify the base address and size of the register
>> + space.
>> +
>> +
>
> Double empty lines.
>

will remove them

>> +- #reset-cells:
>> + Usage: required
>> + Value type: <uint>
>> + Definition: must be 1; cell entry represents the reset index.
>> +
>> +example:
>
> Please capitalize the initial char.
>

sure

>> +
>> +aoss_reset: qcom,reset-controller@b2e0100 {
>> + compatible = "qcom,sdm845-aoss-reset";
>> + reg = <0xc2b0000 0x20004>;
>
> 0x20004 does seem very even, please verify this size.
>

even though the reg space after that range is unused, the AOSS reset
driver is supposed to control only those listed reset lines

>> + #reset-cells = <1>;
>> +};
>> +
>> +
>> +Specifying reset lines connected to IP modules
>
> "AOSS reset clients"
>

yep this heading makes much more sense

> 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
>> +<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 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 /* */
>

Sure will replace it

>> +/*
>> + * 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
>

--
Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc, is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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