linux-kernel - Re: [PATCH v2 2/4] clk: qcom: Add SDX55 GCC support

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Date:   Fri, 6 Nov 2020 15:08:19 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     sboyd@...nel.org, mturquette@...libre.com, robh+dt@...nel.org,
        bjorn.andersson@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Naveen Yadav <naveenky@...eaurora.org>
Subject: Re: [PATCH v2 2/4] clk: qcom: Add SDX55 GCC support

On 05-11-20, 16:18, Manivannan Sadhasivam wrote:
> From: Naveen Yadav <naveenky@...eaurora.org>
> 
> Add Global Clock Controller (GCC) support for SDX55 SoCs from Qualcomm.
> 
> Signed-off-by: Naveen Yadav <naveenky@...eaurora.org>
> [mani: converted to parent_data, commented critical clocks, cleanups]
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  drivers/clk/qcom/Kconfig     |    7 +
>  drivers/clk/qcom/Makefile    |    1 +
>  drivers/clk/qcom/gcc-sdx55.c | 1626 ++++++++++++++++++++++++++++++++++
>  3 files changed, 1634 insertions(+)
>  create mode 100644 drivers/clk/qcom/gcc-sdx55.c
> 
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index 3a965bd326d5..7897a3947e6d 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -413,6 +413,13 @@ config SDM_LPASSCC_845
>  	  Say Y if you want to use the LPASS branch clocks of the LPASS clock
>  	  controller to reset the LPASS subsystem.
>  
> +config SDX_GCC_55
> +	tristate "SDX55 Global Clock Controller"
> +	help
> +	  Support for the global clock controller on SDX55 devices.
> +	  Say Y if you want to use peripheral devices such as UART,
> +	  SPI, I2C, USB, SD/UFS, PCIe etc.
> +
>  config SM_DISPCC_8250
>  	tristate "SM8150 and SM8250 Display Clock Controller"
>  	depends on SM_GCC_8150 || SM_GCC_8250
> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> index 11ae86febe87..886b877e70c7 100644
> --- a/drivers/clk/qcom/Makefile
> +++ b/drivers/clk/qcom/Makefile
> @@ -64,6 +64,7 @@ obj-$(CONFIG_SDM_GCC_845) += gcc-sdm845.o
>  obj-$(CONFIG_SDM_GPUCC_845) += gpucc-sdm845.o
>  obj-$(CONFIG_SDM_LPASSCC_845) += lpasscc-sdm845.o
>  obj-$(CONFIG_SDM_VIDEOCC_845) += videocc-sdm845.o
> +obj-$(CONFIG_SDX_GCC_55) += gcc-sdx55.o
>  obj-$(CONFIG_SM_DISPCC_8250) += dispcc-sm8250.o
>  obj-$(CONFIG_SM_GCC_8150) += gcc-sm8150.o
>  obj-$(CONFIG_SM_GCC_8250) += gcc-sm8250.o
> diff --git a/drivers/clk/qcom/gcc-sdx55.c b/drivers/clk/qcom/gcc-sdx55.c
> new file mode 100644
> index 000000000000..bf114165e24b
> --- /dev/null
> +++ b/drivers/clk/qcom/gcc-sdx55.c
> @@ -0,0 +1,1626 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2020, Linaro Ltd.
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/regmap.h>
> +
> +#include <dt-bindings/clock/qcom,gcc-sdx55.h>
> +
> +#include "common.h"
> +#include "clk-alpha-pll.h"
> +#include "clk-branch.h"
> +#include "clk-pll.h"
> +#include "clk-rcg.h"
> +#include "clk-regmap.h"
> +#include "reset.h"
> +
> +enum {
> +	P_BI_TCXO,
> +	P_CORE_BI_PLL_TEST_SE,

This is for test and we removed this for upstream, so can you do that as
well (not parent will decrease for clks below)

With that updated:

Reviewed-by: Vinod Koul <vkoul@...nel.org>

-- 
~Vinod