On 1/13/21 8:38 PM, AngeloGioacchino Del Regno wrote:
> From: Martin Botka <[email protected]>
>
> Add a driver for the multimedia clock controller found on SDM660
> based devices. This should allow most multimedia device drivers
> to probe and control their clocks.
>
> Signed-off-by: Martin Botka <[email protected]>
> Co-developed-by: Konrad Dybcio <[email protected]>
> Signed-off-by: Konrad Dybcio <[email protected]>
> [[email protected]: Cleaned up SDM630 clock fixups]
> Signed-off-by: AngeloGioacchino Del Regno
> <[email protected]>
> ---
> drivers/clk/qcom/Kconfig | 9 +
> drivers/clk/qcom/Makefile | 1 +
> drivers/clk/qcom/mmcc-sdm660.c | 2864 ++++++++++++++++++
> include/dt-bindings/clock/qcom,mmcc-sdm660.h | 162 +
> 4 files changed, 3036 insertions(+)
> create mode 100644 drivers/clk/qcom/mmcc-sdm660.c
> create mode 100644 include/dt-bindings/clock/qcom,mmcc-sdm660.h
>
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index d32bb12cd8d0..eb9746e84556 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -366,6 +366,15 @@ config SDM_GCC_660
> Say Y if you want to use peripheral devices such as UART, SPI,
> i2C, USB, UFS, SDDC, PCIe, etc.
>
> +config SDM_MMCC_660
> + tristate "SDM660 Multimedia Clock Controller"
> + select SDM_GCC_660
> + select QCOM_GDSC
> + help
> + Support for the multimedia clock controller on SDM660 devices.
> + Say Y if you want to support multimedia devices such as display,
> + graphics, video encode/decode, camera, etc.
> +
> config QCS_TURING_404
> tristate "QCS404 Turing Clock Controller"
> help
> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> index 9e5e0e3cb7b4..bfa8350f088d 100644
> --- a/drivers/clk/qcom/Makefile
> +++ b/drivers/clk/qcom/Makefile
> @@ -62,6 +62,7 @@ obj-$(CONFIG_SC_VIDEOCC_7180) += videocc-sc7180.o
> obj-$(CONFIG_SDM_CAMCC_845) += camcc-sdm845.o
> obj-$(CONFIG_SDM_DISPCC_845) += dispcc-sdm845.o
> obj-$(CONFIG_SDM_GCC_660) += gcc-sdm660.o
> +obj-$(CONFIG_SDM_MMCC_660) += mmcc-sdm660.o
> obj-$(CONFIG_SDM_GCC_845) += gcc-sdm845.o
> obj-$(CONFIG_SDM_GPUCC_845) += gpucc-sdm845.o
> obj-$(CONFIG_SDM_LPASSCC_845) += lpasscc-sdm845.o
> diff --git a/drivers/clk/qcom/mmcc-sdm660.c b/drivers/clk/qcom/mmcc-sdm660.c
> new file mode 100644
> index 000000000000..d268e1c89f57
> --- /dev/null
> +++ b/drivers/clk/qcom/mmcc-sdm660.c
> @@ -0,0 +1,2864 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2020, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2020, Martin Botka <[email protected]>
> + * Copyright (c) 2020, Konrad Dybcio <[email protected]>
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/bitops.h>
> +#include <linux/err.h>
> +#include <linux/platform_device.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
> +#include <linux/clk-provider.h>
> +#include <linux/regmap.h>
> +#include <linux/reset-controller.h>
> +#include <linux/clk.h>
> +
> +
> +#include <dt-bindings/clock/qcom,mmcc-sdm660.h>
> +
> +#include "common.h"
> +#include "clk-regmap.h"
> +#include "clk-regmap-divider.h"
> +#include "clk-alpha-pll.h"
> +#include "clk-rcg.h"
> +#include "clk-branch.h"
> +#include "reset.h"
> +#include "gdsc.h"
> +
<cut>
> +
> +static struct gdsc venus_gdsc = {
> + .gdscr = 0x1024,
> + .pd = {
> + .name = "venus",
> + },
> + .pwrsts = PWRSTS_OFF_ON,
> +};
> +
> +static struct gdsc venus_core0_gdsc = {
> + .gdscr = 0x1040,
> + .pd = {
> + .name = "venus_core0",
> + },
> + .parent = &venus_gdsc.pd,
> + .pwrsts = PWRSTS_OFF_ON,
I think this gdsc should be under hw control?
+ .flags = HW_CTRL,
> +};
> +
--
--
regards,
Stan
