From: Johan Hovold <johan@kernel.org>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: andersson@kernel.org, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, johan+linaro@kernel.org,
agross@kernel.org, konrad.dybcio@linaro.org,
mturquette@baylibre.com, sboyd@kernel.org, conor+dt@kernel.org,
linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/6] clk: qcom: Add lpass clock controller driver for SC8280XP
Date: Fri, 26 May 2023 14:12:14 +0200 [thread overview]
Message-ID: <ZHCiHtVkVL7_ZwaK@hovoldconsulting.com> (raw)
In-Reply-To: <20230525122930.17141-4-srinivas.kandagatla@linaro.org>
On Thu, May 25, 2023 at 01:29:27PM +0100, Srinivas Kandagatla wrote:
> Add support for the lpass clock controller found on SC8280XP based devices.
> This would allow lpass peripheral loader drivers to control the clocks and
> bring the subsystems out of reset.
>
> Currently this patch only supports resets as the Q6DSP is in control of
> LPASS IP which manages most of the clocks via Q6PRM service on GPR rpmsg
> channel.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
> drivers/clk/qcom/Kconfig | 8 ++++
> drivers/clk/qcom/Makefile | 1 +
> drivers/clk/qcom/lpasscc-sc8280xp.c | 63 +++++++++++++++++++++++++++++
> 3 files changed, 72 insertions(+)
> create mode 100644 drivers/clk/qcom/lpasscc-sc8280xp.c
> --- /dev/null
> +++ b/drivers/clk/qcom/lpasscc-sc8280xp.c
> @@ -0,0 +1,63 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2022, Linaro Limited
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/err.h>
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/regmap.h>
Newline?
> +#include <dt-bindings/clock/qcom,lpasscc-sc8280xp.h>
> +
> +#include "common.h"
> +#include "reset.h"
> +
> +static const struct qcom_reset_map lpasscc_sc8280xp_resets[] = {
> + [LPASS_AUDIO_SWR_TX_CGCR] = { 0xc010, 1 },
> +};
> +
> +static struct regmap_config lpasscc_sc8280xp_regmap_config = {
> + .reg_bits = 32,
> + .reg_stride = 4,
> + .val_bits = 32,
> + .name = "lpass-tcsr",
> + .max_register = 0x12000,
> +};
> +
> +static const struct qcom_cc_desc lpasscc_reset_sc8280xp_desc = {
Nit: Isn't "lpasscc_sc8280xp" the prefix you should use throughout
(i.e. this should be lpasscc_sc8280xp_reset_desc or similar).
> + .config = &lpasscc_sc8280xp_regmap_config,
> + .resets = lpasscc_sc8280xp_resets,
> + .num_resets = ARRAY_SIZE(lpasscc_sc8280xp_resets),
> +};
> +
> +static const struct of_device_id lpasscc_sc8280xp_match_table[] = {
> + {
> + .compatible = "qcom,sc8280xp-lpasscc",
> + .data = &lpasscc_reset_sc8280xp_desc,
> + },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, lpasscc_sc8280xp_match_table);
Looks good otherwise:
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
next prev parent reply other threads:[~2023-05-26 12:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-25 12:29 [PATCH v2 0/6] clk: qcom: sc8280xp: add lpasscc reset control Srinivas Kandagatla
2023-05-25 12:29 ` [PATCH v2 1/6] dt-bindings: clock: Add YAML schemas for LPASSCC and reset on SC8280XP Srinivas Kandagatla
2023-05-26 12:04 ` Johan Hovold
2023-06-02 13:17 ` Krzysztof Kozlowski
2023-05-25 12:29 ` [PATCH v2 2/6] dt-bindings: clock: Add YAML schemas for LPASS AUDIOCC " Srinivas Kandagatla
2023-05-26 12:08 ` Johan Hovold
[not found] ` <ebe8dc00-d937-240f-e9a5-e9049fd278ad@linaro.org>
2023-06-07 13:15 ` Srinivas Kandagatla
2023-05-25 12:29 ` [PATCH v2 3/6] clk: qcom: Add lpass clock controller driver for SC8280XP Srinivas Kandagatla
2023-05-26 12:12 ` Johan Hovold [this message]
2023-06-02 13:17 ` Krzysztof Kozlowski
[not found] ` <098883dd-f517-d541-de00-1a7fc0ada017@linaro.org>
2023-06-07 13:19 ` Srinivas Kandagatla
2023-05-25 12:29 ` [PATCH v2 4/6] clk: qcom: Add lpass audio " Srinivas Kandagatla
2023-05-26 12:14 ` Johan Hovold
2023-05-25 12:29 ` [PATCH v2 5/6] arm64: dts: qcom: sc8280xp: add resets for soundwire controllers Srinivas Kandagatla
2023-05-26 12:16 ` Johan Hovold
2023-06-02 13:18 ` Krzysztof Kozlowski
[not found] ` <542a67da-5870-dda0-3604-9367a438e51b@linaro.org>
2023-06-07 13:31 ` Srinivas Kandagatla
2023-05-25 12:29 ` [PATCH v2 6/6] arm64: defconfig: Enable sc828x0xp lpasscc clock controller Srinivas Kandagatla
2023-05-26 12:17 ` Johan Hovold
2023-06-02 13:18 ` Krzysztof Kozlowski
2023-06-02 13:39 ` Konrad Dybcio
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