From e2e0d2f3dab4e9838cfe3d94a5cb42aa7b51fddb Mon Sep 17 00:00:00 2001 From: Taniya Das Date: Mon, 2 Feb 2026 16:26:53 +0530 Subject: [PATCH] clk: qcom: videocc-glymur: Add video clock controller driver for Glymur Add support for the video clock controller for video clients to be able to request for videocc clocks on Glymur platform. Signed-off-by: Taniya Das Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20260202-glymur_videocc-v2-4-8f7d8b4d8edd@oss.qualcomm.com Signed-off-by: Bjorn Andersson --- drivers/clk/qcom/Kconfig | 9 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/videocc-glymur.c | 533 ++++++++++++++++++++++++++++++ 3 files changed, 543 insertions(+) create mode 100644 drivers/clk/qcom/videocc-glymur.c diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 3bc60958d721..f23280219d56 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -55,6 +55,15 @@ config CLK_GLYMUR_TCSRCC Support for the TCSR clock controller on Glymur devices. Say Y if you want to use peripheral devices such as USB/PCIe/EDP. +config CLK_GLYMUR_VIDEOCC + tristate "Glymur Video Clock Controller" + depends on ARM64 || COMPILE_TEST + select CLK_GLYMUR_GCC + help + Support for the video clock controller on Glymur devices. + Say Y if you want to support video devices and functionality such as + video encode and decode. + config CLK_KAANAPALI_CAMCC tristate "Kaanapali Camera Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index d871d21b5dc9..90ea21c3b7cf 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_CLK_GLYMUR_DISPCC) += dispcc-glymur.o obj-$(CONFIG_CLK_GLYMUR_GCC) += gcc-glymur.o obj-$(CONFIG_CLK_GLYMUR_GPUCC) += gpucc-glymur.o gxclkctl-kaanapali.o obj-$(CONFIG_CLK_GLYMUR_TCSRCC) += tcsrcc-glymur.o +obj-$(CONFIG_CLK_GLYMUR_VIDEOCC) += videocc-glymur.o obj-$(CONFIG_CLK_KAANAPALI_CAMCC) += cambistmclkcc-kaanapali.o camcc-kaanapali.o obj-$(CONFIG_CLK_KAANAPALI_DISPCC) += dispcc-kaanapali.o obj-$(CONFIG_CLK_KAANAPALI_GCC) += gcc-kaanapali.o diff --git a/drivers/clk/qcom/videocc-glymur.c b/drivers/clk/qcom/videocc-glymur.c new file mode 100644 index 000000000000..5dea01f9e20d --- /dev/null +++ b/drivers/clk/qcom/videocc-glymur.c @@ -0,0 +1,533 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-pll.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "clk-regmap-mux.h" +#include "common.h" +#include "gdsc.h" +#include "reset.h" + +enum { + DT_BI_TCXO, + DT_BI_TCXO_AO, + DT_SLEEP_CLK, +}; + +enum { + P_BI_TCXO, + P_SLEEP_CLK, + P_VIDEO_CC_PLL0_OUT_MAIN, +}; + +static const struct pll_vco taycan_eko_t_vco[] = { + { 249600000, 2500000000, 0 }, +}; + +/* 720.0 MHz Configuration */ +static const struct alpha_pll_config video_cc_pll0_config = { + .l = 0x25, + .alpha = 0x8000, + .config_ctl_val = 0x25c400e7, + .config_ctl_hi_val = 0x0a8060e0, + .config_ctl_hi1_val = 0xf51dea20, + .user_ctl_val = 0x00000008, + .user_ctl_hi_val = 0x00000002, +}; + +static struct clk_alpha_pll video_cc_pll0 = { + .offset = 0x0, + .config = &video_cc_pll0_config, + .vco_table = taycan_eko_t_vco, + .num_vco = ARRAY_SIZE(taycan_eko_t_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_TAYCAN_EKO_T], + .clkr = { + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_pll0", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_taycan_eko_t_ops, + }, + }, +}; + +static const struct parent_map video_cc_parent_map_0[] = { + { P_BI_TCXO, 0 }, +}; + +static const struct clk_parent_data video_cc_parent_data_0[] = { + { .index = DT_BI_TCXO }, +}; + +static const struct parent_map video_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_VIDEO_CC_PLL0_OUT_MAIN, 1 }, +}; + +static const struct clk_parent_data video_cc_parent_data_1[] = { + { .index = DT_BI_TCXO }, + { .hw = &video_cc_pll0.clkr.hw }, +}; + +static const struct parent_map video_cc_parent_map_2[] = { + { P_SLEEP_CLK, 0 }, +}; + +static const struct clk_parent_data video_cc_parent_data_2[] = { + { .index = DT_SLEEP_CLK }, +}; + +static const struct freq_tbl ftbl_video_cc_ahb_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_ahb_clk_src = { + .cmd_rcgr = 0x8018, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_0, + .freq_tbl = ftbl_video_cc_ahb_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_ahb_clk_src", + .parent_data = video_cc_parent_data_0, + .num_parents = ARRAY_SIZE(video_cc_parent_data_0), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static const struct freq_tbl ftbl_video_cc_mvs0_clk_src[] = { + F(720000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(1014000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(1098000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(1332000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(1600000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(1965000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_mvs0_clk_src = { + .cmd_rcgr = 0x8000, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_1, + .freq_tbl = ftbl_video_cc_mvs0_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0_clk_src", + .parent_data = video_cc_parent_data_1, + .num_parents = ARRAY_SIZE(video_cc_parent_data_1), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static const struct freq_tbl ftbl_video_cc_sleep_clk_src[] = { + F(32000, P_SLEEP_CLK, 1, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_sleep_clk_src = { + .cmd_rcgr = 0x8120, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_2, + .freq_tbl = ftbl_video_cc_sleep_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_sleep_clk_src", + .parent_data = video_cc_parent_data_2, + .num_parents = ARRAY_SIZE(video_cc_parent_data_2), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_rcg2 video_cc_xo_clk_src = { + .cmd_rcgr = 0x80f8, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_0, + .freq_tbl = ftbl_video_cc_ahb_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_xo_clk_src", + .parent_data = video_cc_parent_data_0, + .num_parents = ARRAY_SIZE(video_cc_parent_data_0), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_regmap_div video_cc_mvs0_div_clk_src = { + .reg = 0x809c, + .shift = 0, + .width = 4, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0_div_clk_src", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs0_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_regmap_div video_cc_mvs0c_div2_div_clk_src = { + .reg = 0x8060, + .shift = 0, + .width = 4, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0c_div2_div_clk_src", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs0_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_regmap_div video_cc_mvs1_div_clk_src = { + .reg = 0x80d8, + .shift = 0, + .width = 4, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_div_clk_src", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs0_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_branch video_cc_mvs0_clk = { + .halt_reg = 0x807c, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0x807c, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x807c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs0_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs0_freerun_clk = { + .halt_reg = 0x808c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x808c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0_freerun_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs0_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs0_shift_clk = { + .halt_reg = 0x8114, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0x8114, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x8114, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0_shift_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_xo_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs0c_clk = { + .halt_reg = 0x804c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x804c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0c_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs0c_div2_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs0c_freerun_clk = { + .halt_reg = 0x805c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x805c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0c_freerun_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs0c_div2_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs0c_shift_clk = { + .halt_reg = 0x811c, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0x811c, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x811c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0c_shift_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_xo_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs1_clk = { + .halt_reg = 0x80b8, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0x80b8, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x80b8, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs1_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs1_freerun_clk = { + .halt_reg = 0x80c8, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x80c8, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_freerun_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs1_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs1_shift_clk = { + .halt_reg = 0x8118, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0x8118, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x8118, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_shift_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_xo_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc video_cc_mvs0c_gdsc = { + .gdscr = 0x8034, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "video_cc_mvs0c_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = POLL_CFG_GDSCR | RETAIN_FF_ENABLE, +}; + +static struct gdsc video_cc_mvs0_gdsc = { + .gdscr = 0x8068, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "video_cc_mvs0_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = HW_CTRL_TRIGGER | POLL_CFG_GDSCR | RETAIN_FF_ENABLE, + .parent = &video_cc_mvs0c_gdsc.pd, +}; + +static struct gdsc video_cc_mvs1_gdsc = { + .gdscr = 0x80a4, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "video_cc_mvs1_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = HW_CTRL_TRIGGER | POLL_CFG_GDSCR | RETAIN_FF_ENABLE, +}; + +static struct clk_regmap *video_cc_glymur_clocks[] = { + [VIDEO_CC_AHB_CLK_SRC] = &video_cc_ahb_clk_src.clkr, + [VIDEO_CC_MVS0_CLK] = &video_cc_mvs0_clk.clkr, + [VIDEO_CC_MVS0_CLK_SRC] = &video_cc_mvs0_clk_src.clkr, + [VIDEO_CC_MVS0_DIV_CLK_SRC] = &video_cc_mvs0_div_clk_src.clkr, + [VIDEO_CC_MVS0_FREERUN_CLK] = &video_cc_mvs0_freerun_clk.clkr, + [VIDEO_CC_MVS0_SHIFT_CLK] = &video_cc_mvs0_shift_clk.clkr, + [VIDEO_CC_MVS0C_CLK] = &video_cc_mvs0c_clk.clkr, + [VIDEO_CC_MVS0C_DIV2_DIV_CLK_SRC] = &video_cc_mvs0c_div2_div_clk_src.clkr, + [VIDEO_CC_MVS0C_FREERUN_CLK] = &video_cc_mvs0c_freerun_clk.clkr, + [VIDEO_CC_MVS0C_SHIFT_CLK] = &video_cc_mvs0c_shift_clk.clkr, + [VIDEO_CC_MVS1_CLK] = &video_cc_mvs1_clk.clkr, + [VIDEO_CC_MVS1_DIV_CLK_SRC] = &video_cc_mvs1_div_clk_src.clkr, + [VIDEO_CC_MVS1_FREERUN_CLK] = &video_cc_mvs1_freerun_clk.clkr, + [VIDEO_CC_MVS1_SHIFT_CLK] = &video_cc_mvs1_shift_clk.clkr, + [VIDEO_CC_PLL0] = &video_cc_pll0.clkr, + [VIDEO_CC_SLEEP_CLK_SRC] = &video_cc_sleep_clk_src.clkr, + [VIDEO_CC_XO_CLK_SRC] = &video_cc_xo_clk_src.clkr, +}; + +static struct gdsc *video_cc_glymur_gdscs[] = { + [VIDEO_CC_MVS0_GDSC] = &video_cc_mvs0_gdsc, + [VIDEO_CC_MVS0C_GDSC] = &video_cc_mvs0c_gdsc, + [VIDEO_CC_MVS1_GDSC] = &video_cc_mvs1_gdsc, +}; + +static const struct qcom_reset_map video_cc_glymur_resets[] = { + [VIDEO_CC_INTERFACE_BCR] = { 0x80dc }, + [VIDEO_CC_MVS0_BCR] = { 0x8064 }, + [VIDEO_CC_MVS0C_FREERUN_CLK_ARES] = { 0x805c, 2 }, + [VIDEO_CC_MVS0C_BCR] = { 0x8030 }, + [VIDEO_CC_MVS0_FREERUN_CLK_ARES] = { 0x808c, 2 }, + [VIDEO_CC_MVS1_FREERUN_CLK_ARES] = { 0x80c8, 2 }, + [VIDEO_CC_MVS1_BCR] = { 0x80a0 }, +}; + +static struct clk_alpha_pll *video_cc_glymur_plls[] = { + &video_cc_pll0, +}; + +static u32 video_cc_glymur_critical_cbcrs[] = { + 0x80e0, /* VIDEO_CC_AHB_CLK */ + 0x8138, /* VIDEO_CC_SLEEP_CLK */ + 0x8110, /* VIDEO_CC_XO_CLK */ +}; + +static const struct regmap_config video_cc_glymur_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x9f54, + .fast_io = true, +}; + +static void clk_glymur_regs_configure(struct device *dev, struct regmap *regmap) +{ + /* Update CTRL_IN register */ + regmap_update_bits(regmap, 0x9f24, BIT(0), BIT(0)); +} + +static struct qcom_cc_driver_data video_cc_glymur_driver_data = { + .alpha_plls = video_cc_glymur_plls, + .num_alpha_plls = ARRAY_SIZE(video_cc_glymur_plls), + .clk_cbcrs = video_cc_glymur_critical_cbcrs, + .num_clk_cbcrs = ARRAY_SIZE(video_cc_glymur_critical_cbcrs), + .clk_regs_configure = clk_glymur_regs_configure, +}; + +static struct qcom_cc_desc video_cc_glymur_desc = { + .config = &video_cc_glymur_regmap_config, + .clks = video_cc_glymur_clocks, + .num_clks = ARRAY_SIZE(video_cc_glymur_clocks), + .resets = video_cc_glymur_resets, + .num_resets = ARRAY_SIZE(video_cc_glymur_resets), + .gdscs = video_cc_glymur_gdscs, + .num_gdscs = ARRAY_SIZE(video_cc_glymur_gdscs), + .use_rpm = true, + .driver_data = &video_cc_glymur_driver_data, +}; + +static const struct of_device_id video_cc_glymur_match_table[] = { + { .compatible = "qcom,glymur-videocc" }, + { } +}; +MODULE_DEVICE_TABLE(of, video_cc_glymur_match_table); + +static int video_cc_glymur_probe(struct platform_device *pdev) +{ + return qcom_cc_probe(pdev, &video_cc_glymur_desc); +} + +static struct platform_driver video_cc_glymur_driver = { + .probe = video_cc_glymur_probe, + .driver = { + .name = "videocc-glymur", + .of_match_table = video_cc_glymur_match_table, + }, +}; + +module_platform_driver(video_cc_glymur_driver); + +MODULE_DESCRIPTION("QTI VIDEOCC Glymur Driver"); +MODULE_LICENSE("GPL");