Re: [RFC v1 06/11] clk: qcom: Add display clock controller driver for SM8350

[Konrad Dybcio <konrad.dybcio@somainline.org>]

On 16.06.2021 16:11, Robert Foss wrote:
> Add support for the display clock controller found on SM8350.
>
> Signed-off-by: Robert Foss <robert.foss@linaro.org>
> ---
>  drivers/clk/qcom/Kconfig         |    9 +
>  drivers/clk/qcom/Makefile        |    1 +
>  drivers/clk/qcom/dispcc-sm8350.c | 1402 ++++++++++++++++++++++++++++++
>  3 files changed, 1412 insertions(+)
>  create mode 100644 drivers/clk/qcom/dispcc-sm8350.c
>
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index 45646b867cdb..f7c99f97fa57 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -492,6 +492,15 @@ config SM_DISPCC_8250
>  	  Say Y if you want to support display devices and functionality such as
>  	  splash screen.
>  
> +config SM_DISPCC_8350
> +	tristate "SM8350 Display Clock Controller"
> +	depends on SM_GCC_8350
> +	help
> +	  Support for the display clock controller on Qualcomm Technologies, Inc
> +	  SM8350 devices.
> +	  Say Y if you want to support display devices and functionality such as
> +	  splash screen.
> +
>  config SM_GCC_8150
>  	tristate "SM8150 Global Clock Controller"
>  	help
> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> index c8291312e723..69dc2a9f43d7 100644
> --- a/drivers/clk/qcom/Makefile
> +++ b/drivers/clk/qcom/Makefile
> @@ -74,6 +74,7 @@ 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-$(CONFIG_SM_DISPCC_8350) += dispcc-sm8350.o
>  obj-$(CONFIG_SM_GCC_8150) += gcc-sm8150.o
>  obj-$(CONFIG_SM_GCC_8250) += gcc-sm8250.o
>  obj-$(CONFIG_SM_GCC_8350) += gcc-sm8350.o
> diff --git a/drivers/clk/qcom/dispcc-sm8350.c b/drivers/clk/qcom/dispcc-sm8350.c
> new file mode 100644
> index 000000000000..ba53d682e174
> --- /dev/null
> +++ b/drivers/clk/qcom/dispcc-sm8350.c
> @@ -0,0 +1,1402 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/err.h>
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/of.h>
> +#include <linux/regmap.h>
> +#include <linux/pm_runtime.h>
> +
> +#include <dt-bindings/clock/qcom,dispcc-sm8350.h>
> +
> +#include "clk-alpha-pll.h"
> +#include "clk-branch.h"
> +#include "clk-rcg.h"
> +#include "clk-regmap-divider.h"
> +#include "common.h"
> +#include "gdsc.h"
> +#include "reset.h"
> +
> +enum {
> +	P_BI_TCXO,
> +	P_CORE_BI_PLL_TEST_SE,

Is the test clock any useful in practice? Many drivers don't include it.



> +	P_DISP_CC_PLL0_OUT_MAIN,
> +	P_DISP_CC_PLL1_OUT_EVEN,
> +	P_DISP_CC_PLL1_OUT_MAIN,
> +	P_DP_PHY_PLL_LINK_CLK,
> +	P_DP_PHY_PLL_VCO_DIV_CLK,
> +	P_DPTX1_PHY_PLL_LINK_CLK,
> +	P_DPTX1_PHY_PLL_VCO_DIV_CLK,
> +	P_DPTX2_PHY_PLL_LINK_CLK,
> +	P_DPTX2_PHY_PLL_VCO_DIV_CLK,
> +	P_DSI0_PHY_PLL_OUT_BYTECLK,
> +	P_DSI0_PHY_PLL_OUT_DSICLK,
> +	P_DSI1_PHY_PLL_OUT_BYTECLK,
> +	P_DSI1_PHY_PLL_OUT_DSICLK,
> +	P_EDP_PHY_PLL_LINK_CLK,
> +	P_EDP_PHY_PLL_VCO_DIV_CLK,
> +	P_SLEEP_CLK,
> +};
> +
> +static struct pll_vco vco_table[] = {
> +	{ 249600000, 1750000000, 0 },
> +};
> +
> +static const struct alpha_pll_config disp_cc_pll0_config = {
> +	.l = 0x47,

Is the ".cal_l = 0x44," part from downstream not necessary?


> +	.alpha = 0xE000,
> +	.config_ctl_val = 0x20485699,
> +	.config_ctl_hi_val = 0x00002261,
> +	.config_ctl_hi1_val = 0x2A9A699C,
> +	.test_ctl_val = 0x00000000,
> +	.test_ctl_hi_val = 0x00000000,
> +	.test_ctl_hi1_val = 0x01800000,
> +	.user_ctl_val = 0x00000000,
> +	.user_ctl_hi_val = 0x00000805,
> +	.user_ctl_hi1_val = 0x00000000,
> +};
> +
> +static struct clk_init_data disp_cc_pll0_init = {
> +	.name = "disp_cc_pll0",
> +	.parent_data = &(const struct clk_parent_data){
> +		.fw_name = "bi_tcxo",
> +	},
> +	.num_parents = 1,
> +	.ops = &clk_alpha_pll_lucid_5lpe_ops,
> +};
> +
> +static struct clk_alpha_pll disp_cc_pll0 = {
> +	.offset = 0x0,
> +	.vco_table = vco_table,
> +	.num_vco = ARRAY_SIZE(vco_table),
> +	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
> +	.clkr.hw.init = &disp_cc_pll0_init
> +};
> +
> +static const struct alpha_pll_config disp_cc_pll1_config = {
> +	.l = 0x1F,

Ditto



> +	.alpha = 0x4000,
> +	.config_ctl_val = 0x20485699,
> +	.config_ctl_hi_val = 0x00002261,
> +	.config_ctl_hi1_val = 0x2A9A699C,
> +	.test_ctl_val = 0x00000000,
> +	.test_ctl_hi_val = 0x00000000,
> +	.test_ctl_hi1_val = 0x01800000,
> +	.user_ctl_val = 0x00000000,
> +	.user_ctl_hi_val = 0x00000805,
> +	.user_ctl_hi1_val = 0x00000000,
> +};
> +
> +static struct clk_init_data disp_cc_pll1_init = {
> +	.name = "disp_cc_pll1",
> +	.parent_data = &(const struct clk_parent_data){
> +		.fw_name = "bi_tcxo",
> +	},
> +	.num_parents = 1,
> +	.ops = &clk_alpha_pll_lucid_5lpe_ops,
> +};
> +
> +static struct clk_alpha_pll disp_cc_pll1 = {
> +	.offset = 0x1000,
> +	.vco_table = vco_table,
> +	.num_vco = ARRAY_SIZE(vco_table),
> +	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
> +	.clkr.hw.init = &disp_cc_pll1_init
> +};
> +
> +static const struct parent_map disp_cc_parent_map_0[] = {
> +	{ P_BI_TCXO, 0 },
> +	{ P_DP_PHY_PLL_LINK_CLK, 1 },
> +	{ P_DP_PHY_PLL_VCO_DIV_CLK, 2 },
> +	{ P_DPTX1_PHY_PLL_LINK_CLK, 3 },
> +	{ P_DPTX1_PHY_PLL_VCO_DIV_CLK, 4 },
> +	{ P_DPTX2_PHY_PLL_LINK_CLK, 5 },
> +	{ P_DPTX2_PHY_PLL_VCO_DIV_CLK, 6 },
> +	{ P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_0[] = {
> +	{ .fw_name = "bi_tcxo" },
> +	{ .fw_name = "dp_phy_pll_link_clk" },
> +	{ .fw_name = "dp_phy_pll_vco_div_clk" },
> +	{ .fw_name = "dptx1_phy_pll_link_clk" },
> +	{ .fw_name = "dptx1_phy_pll_vco_div_clk" },
> +	{ .fw_name = "dptx2_phy_pll_link_clk" },
> +	{ .fw_name = "dptx2_phy_pll_vco_div_clk" },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct parent_map disp_cc_parent_map_1[] = {
> +	{ P_BI_TCXO, 0 },
> +	{ P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_1[] = {
> +	{ .fw_name = "bi_tcxo" },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_1_ao[] = {
> +	{ .fw_name = "bi_tcxo_ao" },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct parent_map disp_cc_parent_map_2[] = {
> +	{ P_BI_TCXO, 0 },
> +	{ P_DSI0_PHY_PLL_OUT_BYTECLK, 1 },
> +	{ P_DSI1_PHY_PLL_OUT_BYTECLK, 2 },
> +	{ P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_2[] = {
> +	{ .fw_name = "bi_tcxo" },
> +	{ .fw_name = "dsi0_phy_pll_out_byteclk" },
> +	{ .fw_name = "dsi1_phy_pll_out_byteclk", },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct parent_map disp_cc_parent_map_3[] = {
> +	{ P_BI_TCXO, 0 },
> +	{ P_EDP_PHY_PLL_LINK_CLK, 1 },
> +	{ P_EDP_PHY_PLL_VCO_DIV_CLK, 2 },
> +	{ P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_3[] = {
> +	{ .fw_name = "bi_tcxo" },
> +	{ .fw_name = "edp_phy_pll_link_clk" },
> +	{ .fw_name = "edp_phy_pll_vco_div_clk" },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct parent_map disp_cc_parent_map_4[] = {
> +	{ P_BI_TCXO, 0 },
> +	{ P_DISP_CC_PLL0_OUT_MAIN, 1 },
> +	{ P_DISP_CC_PLL1_OUT_MAIN, 4 },
> +	{ P_DISP_CC_PLL1_OUT_EVEN, 5 },
> +	{ P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_4[] = {
> +	{ .fw_name = "bi_tcxo" },
> +	{ .hw = &disp_cc_pll0.clkr.hw },
> +	{ .hw = &disp_cc_pll1.clkr.hw },
> +	{ .hw = &disp_cc_pll1.clkr.hw },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct parent_map disp_cc_parent_map_5[] = {
> +	{ P_BI_TCXO, 0 },
> +	{ P_DSI0_PHY_PLL_OUT_DSICLK, 1 },
> +	{ P_DSI1_PHY_PLL_OUT_DSICLK, 2 },
> +	{ P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_5[] = {
> +	{ .fw_name = "bi_tcxo" },
> +	{ .fw_name = "dsi0_phy_pll_out_dsiclk" },
> +	{ .fw_name = "dsi1_phy_pll_out_dsiclk" },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct parent_map disp_cc_parent_map_6[] = {
> +	{ P_BI_TCXO, 0 },
> +	{ P_DISP_CC_PLL1_OUT_MAIN, 4 },
> +	{ P_DISP_CC_PLL1_OUT_EVEN, 5 },
> +	{ P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_6[] = {
> +	{ .fw_name = "bi_tcxo" },
> +	{ .hw = &disp_cc_pll1.clkr.hw },
> +	{ .hw = &disp_cc_pll1.clkr.hw },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct parent_map disp_cc_parent_map_7[] = {
> +	{ P_SLEEP_CLK, 0 },
> +	{ P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const struct clk_parent_data disp_cc_parent_data_7[] = {
> +	{ .fw_name = "sleep_clk" },
> +	{ .fw_name = "core_bi_pll_test_se" },
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_ahb_clk_src[] = {
> +	F(19200000, P_BI_TCXO, 1, 0, 0),
> +	F(37500000, P_DISP_CC_PLL1_OUT_MAIN, 16, 0, 0),
> +	F(75000000, P_DISP_CC_PLL1_OUT_MAIN, 8, 0, 0),
> +	{ }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_ahb_clk_src = {
> +	.cmd_rcgr = 0x22a0,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_6,
> +	.freq_tbl = ftbl_disp_cc_mdss_ahb_clk_src,
> +	.flags = HW_CLK_CTRL_MODE,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_ahb_clk_src",
> +		.parent_data = disp_cc_parent_data_6,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_6),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_byte0_clk_src[] = {
> +	F(19200000, P_BI_TCXO, 1, 0, 0),
> +	{ }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_byte0_clk_src = {
> +	.cmd_rcgr = 0x210c,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_2,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_byte0_clk_src",
> +		.parent_data = disp_cc_parent_data_2,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_byte2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_byte1_clk_src = {
> +	.cmd_rcgr = 0x2128,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_2,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_byte1_clk_src",
> +		.parent_data = disp_cc_parent_data_2,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_byte2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_aux1_clk_src = {
> +	.cmd_rcgr = 0x223c,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_1,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_dp_aux1_clk_src",
> +		.parent_data = disp_cc_parent_data_1,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_aux_clk_src = {
> +	.cmd_rcgr = 0x21d8,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_1,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_dp_aux_clk_src",
> +		.parent_data = disp_cc_parent_data_1,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_dp_link1_clk_src[] = {
> +	F(162000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> +	F(270000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> +	F(540000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> +	F(810000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> +	{ }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_link1_clk_src = {
> +	.cmd_rcgr = 0x2208,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_0,
> +	.freq_tbl = ftbl_disp_cc_mdss_dp_link1_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_dp_link1_clk_src",
> +		.parent_data = disp_cc_parent_data_0,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_link_clk_src = {
> +	.cmd_rcgr = 0x2174,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_0,
> +	.freq_tbl = ftbl_disp_cc_mdss_dp_link1_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_dp_link_clk_src",
> +		.parent_data = disp_cc_parent_data_0,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_pixel1_clk_src = {
> +	.cmd_rcgr = 0x21c0,
> +	.mnd_width = 16,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_0,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_dp_pixel1_clk_src",
> +		.parent_data = disp_cc_parent_data_0,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_dp_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_pixel2_clk_src = {
> +	.cmd_rcgr = 0x21f0,
> +	.mnd_width = 16,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_0,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_dp_pixel2_clk_src",
> +		.parent_data = disp_cc_parent_data_0,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_dp_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_pixel_clk_src = {
> +	.cmd_rcgr = 0x21a8,
> +	.mnd_width = 16,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_0,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_dp_pixel_clk_src",
> +		.parent_data = disp_cc_parent_data_0,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_dp_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_edp_aux_clk_src = {
> +	.cmd_rcgr = 0x2288,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_1,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_edp_aux_clk_src",
> +		.parent_data = disp_cc_parent_data_1,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_edp_link_clk_src = {
> +	.cmd_rcgr = 0x226c,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_3,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_edp_link_clk_src",
> +		.parent_data = disp_cc_parent_data_3,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_edp_pixel_clk_src = {
> +	.cmd_rcgr = 0x2254,
> +	.mnd_width = 16,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_3,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_edp_pixel_clk_src",
> +		.parent_data = disp_cc_parent_data_3,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_dp_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_esc0_clk_src = {
> +	.cmd_rcgr = 0x2144,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_2,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_esc0_clk_src",
> +		.parent_data = disp_cc_parent_data_2,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_esc1_clk_src = {
> +	.cmd_rcgr = 0x215c,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_2,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_esc1_clk_src",
> +		.parent_data = disp_cc_parent_data_2,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_mdp_clk_src[] = {
> +	F(19200000, P_BI_TCXO, 1, 0, 0),
> +	F(85714286, P_DISP_CC_PLL1_OUT_MAIN, 7, 0, 0),
> +	F(100000000, P_DISP_CC_PLL1_OUT_MAIN, 6, 0, 0),
> +	F(150000000, P_DISP_CC_PLL1_OUT_MAIN, 4, 0, 0),
> +	F(200000000, P_DISP_CC_PLL1_OUT_MAIN, 3, 0, 0),
> +	F(300000000, P_DISP_CC_PLL1_OUT_MAIN, 2, 0, 0),
> +	F(345000000, P_DISP_CC_PLL0_OUT_MAIN, 4, 0, 0),
> +	F(460000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
> +	{ }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_mdp_clk_src = {
> +	.cmd_rcgr = 0x20c4,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_4,
> +	.freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src,
> +	.flags = HW_CLK_CTRL_MODE,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_mdp_clk_src",
> +		.parent_data = disp_cc_parent_data_4,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_4),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_pclk0_clk_src = {
> +	.cmd_rcgr = 0x2094,
> +	.mnd_width = 8,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_5,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_pclk0_clk_src",
> +		.parent_data = disp_cc_parent_data_5,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_5),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_pixel_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_pclk1_clk_src = {
> +	.cmd_rcgr = 0x20ac,
> +	.mnd_width = 8,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_5,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_pclk1_clk_src",
> +		.parent_data = disp_cc_parent_data_5,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_5),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_pixel_ops,
> +	},
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_rot_clk_src[] = {
> +	F(19200000, P_BI_TCXO, 1, 0, 0),
> +	F(200000000, P_DISP_CC_PLL1_OUT_MAIN, 3, 0, 0),
> +	F(300000000, P_DISP_CC_PLL1_OUT_MAIN, 2, 0, 0),
> +	F(345000000, P_DISP_CC_PLL0_OUT_MAIN, 4, 0, 0),
> +	F(460000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
> +	{ }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_rot_clk_src = {
> +	.cmd_rcgr = 0x20dc,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_4,
> +	.freq_tbl = ftbl_disp_cc_mdss_rot_clk_src,
> +	.flags = HW_CLK_CTRL_MODE,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_rot_clk_src",
> +		.parent_data = disp_cc_parent_data_4,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_4),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_vsync_clk_src = {
> +	.cmd_rcgr = 0x20f4,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_1,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_mdss_vsync_clk_src",
> +		.parent_data = disp_cc_parent_data_1,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_sleep_clk_src[] = {
> +	F(32000, P_SLEEP_CLK, 1, 0, 0),
> +	{ }
> +};
> +
> +static struct clk_rcg2 disp_cc_sleep_clk_src = {
> +	.cmd_rcgr = 0x6060,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_7,
> +	.freq_tbl = ftbl_disp_cc_sleep_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_sleep_clk_src",
> +		.parent_data = disp_cc_parent_data_7,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_7),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_rcg2 disp_cc_xo_clk_src = {
> +	.cmd_rcgr = 0x6044,
> +	.mnd_width = 0,
> +	.hid_width = 5,
> +	.parent_map = disp_cc_parent_map_1,
> +	.freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "disp_cc_xo_clk_src",
> +		.parent_data = disp_cc_parent_data_1_ao,
> +		.num_parents = ARRAY_SIZE(disp_cc_parent_data_1_ao),
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_regmap_div disp_cc_mdss_byte0_div_clk_src = {
> +	.reg = 0x2124,
> +	.shift = 0,
> +	.width = 4,
> +	.clkr.hw.init = &(struct clk_init_data) {
> +		.name = "disp_cc_mdss_byte0_div_clk_src",
> +		.parent_data = &(const struct clk_parent_data){
> +			.hw = &disp_cc_mdss_byte0_clk_src.clkr.hw,
> +		},
> +		.num_parents = 1,
> +		.ops = &clk_regmap_div_ops,
> +	},
> +};
> +
> +static struct clk_regmap_div disp_cc_mdss_byte1_div_clk_src = {
> +	.reg = 0x2140,
> +	.shift = 0,
> +	.width = 4,
> +	.clkr.hw.init = &(struct clk_init_data) {
> +		.name = "disp_cc_mdss_byte1_div_clk_src",
> +		.parent_data = &(const struct clk_parent_data){
> +			.hw = &disp_cc_mdss_byte1_clk_src.clkr.hw,
> +		},
> +		.num_parents = 1,
> +		.ops = &clk_regmap_div_ops,
> +	},
> +};
> +
> +static struct clk_regmap_div disp_cc_mdss_dp_link1_div_clk_src = {
> +	.reg = 0x2220,
> +	.shift = 0,
> +	.width = 4,
> +	.clkr.hw.init = &(struct clk_init_data) {
> +		.name = "disp_cc_mdss_dp_link1_div_clk_src",
> +		.parent_data = &(const struct clk_parent_data){
> +			.hw = &disp_cc_mdss_dp_link1_clk_src.clkr.hw,
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_regmap_div_ro_ops,
> +	},
> +};
> +
> +static struct clk_regmap_div disp_cc_mdss_dp_link_div_clk_src = {
> +	.reg = 0x218c,
> +	.shift = 0,
> +	.width = 4,
> +	.clkr.hw.init = &(struct clk_init_data) {
> +		.name = "disp_cc_mdss_dp_link_div_clk_src",
> +		.parent_data = &(const struct clk_parent_data){
> +			.hw = &disp_cc_mdss_dp_link_clk_src.clkr.hw,
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_regmap_div_ro_ops,
> +	},
> +};
> +
> +static struct clk_regmap_div disp_cc_mdss_edp_link_div_clk_src = {
> +	.reg = 0x2284,
> +	.shift = 0,
> +	.width = 4,
> +	.clkr.hw.init = &(struct clk_init_data) {
> +		.name = "disp_cc_mdss_edp_link_div_clk_src",
> +		.parent_data = &(const struct clk_parent_data){
> +			.hw = &disp_cc_mdss_edp_link_clk_src.clkr.hw,
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +		.ops = &clk_regmap_div_ro_ops,
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_ahb_clk = {
> +	.halt_reg = 0x207c,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x207c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_ahb_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_ahb_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_byte0_clk = {
> +	.halt_reg = 0x2028,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2028,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_byte0_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_byte0_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_byte0_intf_clk = {
> +	.halt_reg = 0x202c,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x202c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_byte0_intf_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_byte0_div_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_byte1_clk = {
> +	.halt_reg = 0x2030,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2030,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_byte1_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_byte1_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_byte1_intf_clk = {
> +	.halt_reg = 0x2034,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2034,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_byte1_intf_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_byte1_div_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_aux1_clk = {
> +	.halt_reg = 0x2068,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2068,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_aux1_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_aux1_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_aux_clk = {
> +	.halt_reg = 0x2054,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2054,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_aux_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_aux_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_link1_clk = {
> +	.halt_reg = 0x205c,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x205c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_link1_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_link1_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_link1_intf_clk = {
> +	.halt_reg = 0x2060,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2060,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_link1_intf_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_link1_div_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_link_clk = {
> +	.halt_reg = 0x2040,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2040,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_link_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_link_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_link_intf_clk = {
> +	.halt_reg = 0x2044,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2044,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_link_intf_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_link_div_clk_src.clkr.hw,
> +			},

I think using parent_hws for single-parent clocks is the way to go now.



> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_pixel1_clk = {
> +	.halt_reg = 0x2050,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2050,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_pixel1_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_pixel1_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_pixel2_clk = {
> +	.halt_reg = 0x2058,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2058,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_pixel2_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_pixel2_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_dp_pixel_clk = {
> +	.halt_reg = 0x204c,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x204c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_dp_pixel_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_dp_pixel_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_edp_aux_clk = {
> +	.halt_reg = 0x2078,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2078,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_edp_aux_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_edp_aux_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_edp_link_clk = {
> +	.halt_reg = 0x2070,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2070,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_edp_link_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_edp_link_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_edp_link_intf_clk = {
> +	.halt_reg = 0x2074,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2074,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_edp_link_intf_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_edp_link_div_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_edp_pixel_clk = {
> +	.halt_reg = 0x206c,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x206c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_edp_pixel_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_edp_pixel_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_esc0_clk = {
> +	.halt_reg = 0x2038,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2038,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_esc0_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_esc0_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_esc1_clk = {
> +	.halt_reg = 0x203c,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x203c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_esc1_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_esc1_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_mdp_clk = {
> +	.halt_reg = 0x200c,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x200c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_mdp_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_mdp_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_mdp_lut_clk = {
> +	.halt_reg = 0x201c,
> +	.halt_check = BRANCH_HALT_VOTED,
> +	.clkr = {
> +		.enable_reg = 0x201c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_mdp_lut_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_mdp_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_non_gdsc_ahb_clk = {
> +	.halt_reg = 0x4004,
> +	.halt_check = BRANCH_HALT_VOTED,
> +	.clkr = {
> +		.enable_reg = 0x4004,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_non_gdsc_ahb_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_ahb_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_pclk0_clk = {
> +	.halt_reg = 0x2004,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2004,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_pclk0_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_pclk0_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_pclk1_clk = {
> +	.halt_reg = 0x2008,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2008,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_pclk1_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_pclk1_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_rot_clk = {
> +	.halt_reg = 0x2014,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2014,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_rot_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_rot_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_rscc_ahb_clk = {
> +	.halt_reg = 0x400c,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x400c,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_rscc_ahb_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_ahb_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_rscc_vsync_clk = {
> +	.halt_reg = 0x4008,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x4008,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_rscc_vsync_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_vsync_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_mdss_vsync_clk = {
> +	.halt_reg = 0x2024,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x2024,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_mdss_vsync_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_mdss_vsync_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct clk_branch disp_cc_sleep_clk = {
> +	.halt_reg = 0x6078,
> +	.halt_check = BRANCH_HALT,
> +	.clkr = {
> +		.enable_reg = 0x6078,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "disp_cc_sleep_clk",
> +			.parent_data = &(const struct clk_parent_data){
> +				.hw = &disp_cc_sleep_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_ops,
> +		},
> +	},
> +};
> +
> +static struct gdsc mdss_gdsc = {
> +	.gdscr = 0x3000,
> +	.pd = {
> +		.name = "mdss_gdsc",
> +	},
> +	.pwrsts = PWRSTS_OFF_ON,
> +	.flags = HW_CTRL,

Downstream source [1] has "qcom,retain-regs;" here, doesn't that

imply need for RETAIN_FF_ENABLE?



> +	.supply = "mmcx",
> +};
> +
> +static struct clk_regmap *disp_cc_sm8350_clocks[] = {
> +	[DISP_CC_MDSS_AHB_CLK] = &disp_cc_mdss_ahb_clk.clkr,
> +	[DISP_CC_MDSS_AHB_CLK_SRC] = &disp_cc_mdss_ahb_clk_src.clkr,
> +	[DISP_CC_MDSS_BYTE0_CLK] = &disp_cc_mdss_byte0_clk.clkr,
> +	[DISP_CC_MDSS_BYTE0_CLK_SRC] = &disp_cc_mdss_byte0_clk_src.clkr,
> +	[DISP_CC_MDSS_BYTE0_DIV_CLK_SRC] = &disp_cc_mdss_byte0_div_clk_src.clkr,
> +	[DISP_CC_MDSS_BYTE0_INTF_CLK] = &disp_cc_mdss_byte0_intf_clk.clkr,
> +	[DISP_CC_MDSS_BYTE1_CLK] = &disp_cc_mdss_byte1_clk.clkr,
> +	[DISP_CC_MDSS_BYTE1_CLK_SRC] = &disp_cc_mdss_byte1_clk_src.clkr,
> +	[DISP_CC_MDSS_BYTE1_DIV_CLK_SRC] = &disp_cc_mdss_byte1_div_clk_src.clkr,
> +	[DISP_CC_MDSS_BYTE1_INTF_CLK] = &disp_cc_mdss_byte1_intf_clk.clkr,
> +	[DISP_CC_MDSS_DP_AUX1_CLK] = &disp_cc_mdss_dp_aux1_clk.clkr,
> +	[DISP_CC_MDSS_DP_AUX1_CLK_SRC] = &disp_cc_mdss_dp_aux1_clk_src.clkr,
> +	[DISP_CC_MDSS_DP_AUX_CLK] = &disp_cc_mdss_dp_aux_clk.clkr,
> +	[DISP_CC_MDSS_DP_AUX_CLK_SRC] = &disp_cc_mdss_dp_aux_clk_src.clkr,
> +	[DISP_CC_MDSS_DP_LINK1_CLK] = &disp_cc_mdss_dp_link1_clk.clkr,
> +	[DISP_CC_MDSS_DP_LINK1_CLK_SRC] = &disp_cc_mdss_dp_link1_clk_src.clkr,
> +	[DISP_CC_MDSS_DP_LINK1_DIV_CLK_SRC] = &disp_cc_mdss_dp_link1_div_clk_src.clkr,
> +	[DISP_CC_MDSS_DP_LINK1_INTF_CLK] = &disp_cc_mdss_dp_link1_intf_clk.clkr,
> +	[DISP_CC_MDSS_DP_LINK_CLK] = &disp_cc_mdss_dp_link_clk.clkr,
> +	[DISP_CC_MDSS_DP_LINK_CLK_SRC] = &disp_cc_mdss_dp_link_clk_src.clkr,
> +	[DISP_CC_MDSS_DP_LINK_DIV_CLK_SRC] = &disp_cc_mdss_dp_link_div_clk_src.clkr,
> +	[DISP_CC_MDSS_DP_LINK_INTF_CLK] = &disp_cc_mdss_dp_link_intf_clk.clkr,
> +	[DISP_CC_MDSS_DP_PIXEL1_CLK] = &disp_cc_mdss_dp_pixel1_clk.clkr,
> +	[DISP_CC_MDSS_DP_PIXEL1_CLK_SRC] = &disp_cc_mdss_dp_pixel1_clk_src.clkr,
> +	[DISP_CC_MDSS_DP_PIXEL2_CLK] = &disp_cc_mdss_dp_pixel2_clk.clkr,
> +	[DISP_CC_MDSS_DP_PIXEL2_CLK_SRC] = &disp_cc_mdss_dp_pixel2_clk_src.clkr,
> +	[DISP_CC_MDSS_DP_PIXEL_CLK] = &disp_cc_mdss_dp_pixel_clk.clkr,
> +	[DISP_CC_MDSS_DP_PIXEL_CLK_SRC] = &disp_cc_mdss_dp_pixel_clk_src.clkr,
> +	[DISP_CC_MDSS_EDP_AUX_CLK] = &disp_cc_mdss_edp_aux_clk.clkr,
> +	[DISP_CC_MDSS_EDP_AUX_CLK_SRC] = &disp_cc_mdss_edp_aux_clk_src.clkr,
> +	[DISP_CC_MDSS_EDP_LINK_CLK] = &disp_cc_mdss_edp_link_clk.clkr,
> +	[DISP_CC_MDSS_EDP_LINK_CLK_SRC] = &disp_cc_mdss_edp_link_clk_src.clkr,
> +	[DISP_CC_MDSS_EDP_LINK_DIV_CLK_SRC] = &disp_cc_mdss_edp_link_div_clk_src.clkr,
> +	[DISP_CC_MDSS_EDP_LINK_INTF_CLK] = &disp_cc_mdss_edp_link_intf_clk.clkr,
> +	[DISP_CC_MDSS_EDP_PIXEL_CLK] = &disp_cc_mdss_edp_pixel_clk.clkr,
> +	[DISP_CC_MDSS_EDP_PIXEL_CLK_SRC] = &disp_cc_mdss_edp_pixel_clk_src.clkr,
> +	[DISP_CC_MDSS_ESC0_CLK] = &disp_cc_mdss_esc0_clk.clkr,
> +	[DISP_CC_MDSS_ESC0_CLK_SRC] = &disp_cc_mdss_esc0_clk_src.clkr,
> +	[DISP_CC_MDSS_ESC1_CLK] = &disp_cc_mdss_esc1_clk.clkr,
> +	[DISP_CC_MDSS_ESC1_CLK_SRC] = &disp_cc_mdss_esc1_clk_src.clkr,
> +	[DISP_CC_MDSS_MDP_CLK] = &disp_cc_mdss_mdp_clk.clkr,
> +	[DISP_CC_MDSS_MDP_CLK_SRC] = &disp_cc_mdss_mdp_clk_src.clkr,
> +	[DISP_CC_MDSS_MDP_LUT_CLK] = &disp_cc_mdss_mdp_lut_clk.clkr,
> +	[DISP_CC_MDSS_NON_GDSC_AHB_CLK] = &disp_cc_mdss_non_gdsc_ahb_clk.clkr,
> +	[DISP_CC_MDSS_PCLK0_CLK] = &disp_cc_mdss_pclk0_clk.clkr,
> +	[DISP_CC_MDSS_PCLK0_CLK_SRC] = &disp_cc_mdss_pclk0_clk_src.clkr,
> +	[DISP_CC_MDSS_PCLK1_CLK] = &disp_cc_mdss_pclk1_clk.clkr,
> +	[DISP_CC_MDSS_PCLK1_CLK_SRC] = &disp_cc_mdss_pclk1_clk_src.clkr,
> +	[DISP_CC_MDSS_ROT_CLK] = &disp_cc_mdss_rot_clk.clkr,
> +	[DISP_CC_MDSS_ROT_CLK_SRC] = &disp_cc_mdss_rot_clk_src.clkr,
> +	[DISP_CC_MDSS_RSCC_AHB_CLK] = &disp_cc_mdss_rscc_ahb_clk.clkr,
> +	[DISP_CC_MDSS_RSCC_VSYNC_CLK] = &disp_cc_mdss_rscc_vsync_clk.clkr,
> +	[DISP_CC_MDSS_VSYNC_CLK] = &disp_cc_mdss_vsync_clk.clkr,
> +	[DISP_CC_MDSS_VSYNC_CLK_SRC] = &disp_cc_mdss_vsync_clk_src.clkr,
> +	[DISP_CC_PLL0] = &disp_cc_pll0.clkr,
> +	[DISP_CC_PLL1] = &disp_cc_pll1.clkr,
> +	[DISP_CC_SLEEP_CLK] = &disp_cc_sleep_clk.clkr,
> +	[DISP_CC_SLEEP_CLK_SRC] = &disp_cc_sleep_clk_src.clkr,
> +	[DISP_CC_XO_CLK_SRC] = &disp_cc_xo_clk_src.clkr,
> +};
> +
> +static const struct qcom_reset_map disp_cc_sm8350_resets[] = {
> +	[DISP_CC_MDSS_CORE_BCR] = { 0x2000 },
> +	[DISP_CC_MDSS_RSCC_BCR] = { 0x4000 },
> +};
> +
> +static struct gdsc *disp_cc_sm8350_gdscs[] = {
> +	[MDSS_GDSC] = &mdss_gdsc,
> +};
> +
> +static const struct regmap_config disp_cc_sm8350_regmap_config = {
> +	.reg_bits = 32,
> +	.reg_stride = 4,
> +	.val_bits = 32,
> +	.max_register = 0x10000,
> +	.fast_io = true,
> +};
> +
> +static struct qcom_cc_desc disp_cc_sm8350_desc = {
> +	.config = &disp_cc_sm8350_regmap_config,
> +	.clks = disp_cc_sm8350_clocks,
> +	.num_clks = ARRAY_SIZE(disp_cc_sm8350_clocks),
> +	.resets = disp_cc_sm8350_resets,
> +	.num_resets = ARRAY_SIZE(disp_cc_sm8350_resets),
> +	.gdscs = disp_cc_sm8350_gdscs,
> +	.num_gdscs = ARRAY_SIZE(disp_cc_sm8350_gdscs),
> +};
> +
> +static const struct of_device_id disp_cc_sm8350_match_table[] = {
> +	{ .compatible = "qcom,sm8350-dispcc" },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, disp_cc_sm8350_match_table);
> +
> +static int disp_cc_sm8350_probe(struct platform_device *pdev)
> +{
> +	struct regmap *regmap;
> +	int ret;
> +
> +	regmap = qcom_cc_map(pdev, &disp_cc_sm8350_desc);
> +	if (IS_ERR(regmap))
> +		return PTR_ERR(regmap);
> +
> +	ret = qcom_cc_runtime_init(pdev, &disp_cc_sm8350_desc);
> +	if (ret)
> +		return ret;
> +
> +	ret = pm_runtime_resume_and_get(&pdev->dev);
> +	if (ret)
> +		goto err_pm;
> +
> +	clk_lucid_5lpe_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config);
> +	clk_lucid_5lpe_pll_configure(&disp_cc_pll1, regmap, &disp_cc_pll1_config);
> +
> +	/* Enable clock gating for MDP clocks */
> +	regmap_update_bits(regmap, 0x8000, 0x10, 0x10);
> +
> +	/*
> +	 * Keep clocks always enabled:
> +	 *	disp_cc_xo_clk
> +	 */
> +	regmap_update_bits(regmap, 0x605c, BIT(0), BIT(0));
> +
> +	ret = qcom_cc_really_probe(pdev, &disp_cc_sm8350_desc, regmap);
> +	if (ret) {
> +		dev_err(&pdev->dev, "Failed to register DISPCC clocks\n");

qcom_cc_really_probe already has a fail message I think.


> +		goto err_pm;
> +	}
> +
> +	pm_runtime_put_sync(&pdev->dev);

What's up with all that pm_ stuff on 8350 specifically? Does it apply

to other SoCs too?



> +	dev_info(&pdev->dev, "Registered DISPCC clocks\n");

That's redundant.


[1] https://github.com/MiCode/kernel_devicetree/blob/venus-r-oss/qcom/lahaina.dtsi#L2369


Konrad

> +
> +	return ret;
> +
> +err_pm:
> +	pm_runtime_disable(&pdev->dev);
> +
> +	return ret;
> +}
> +
> +static const struct dev_pm_ops disp_cc_sm8350_pm_ops = {
> +	SET_RUNTIME_PM_OPS(qcom_cc_runtime_suspend, qcom_cc_runtime_resume, NULL)
> +	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
> +				     pm_runtime_force_resume)
> +};
> +
> +static struct platform_driver disp_cc_sm8350_driver = {
> +	.probe = disp_cc_sm8350_probe,
> +	.driver = {
> +		.name = "dispcc-sm8350",
> +		.of_match_table = disp_cc_sm8350_match_table,
> +		.pm = &disp_cc_sm8350_pm_ops,
> +	},
> +};
> +
> +static int __init disp_cc_sm8350_init(void)
> +{
> +	return platform_driver_register(&disp_cc_sm8350_driver);
> +}
> +subsys_initcall(disp_cc_sm8350_init);
> +
> +static void __exit disp_cc_sm8350_exit(void)
> +{
> +	platform_driver_unregister(&disp_cc_sm8350_driver);
> +}
> +module_exit(disp_cc_sm8350_exit);
> +
> +MODULE_DESCRIPTION("QTI DISP_CC SM8350 Driver");
> +MODULE_LICENSE("GPL v2");
>