Add support for the video clock controller found on Milos (e.g. SM7635) based devices.
Signed-off-by: Luca Weiss <[email protected]> --- drivers/clk/qcom/Kconfig | 11 ++ drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/videocc-milos.c | 403 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 415 insertions(+) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 9063ee3831efd2dad99611cb90ea79e0cd04f8bf..774e152bc154293b8409e5af52ff944964ce73fb 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -1394,6 +1394,17 @@ config SM_VIDEOCC_7150 Say Y if you want to support video devices and functionality such as video encode and decode. +config SM_VIDEOCC_MILOS + tristate "Milos Video Clock Controller" + depends on ARM64 || COMPILE_TEST + select SM_GCC_MILOS + select QCOM_GDSC + help + Support for the video clock controller on Qualcomm Technologies, Inc. + Milos devices. + Say Y if you want to support video devices and functionality such as + video encode/decode. + config SM_VIDEOCC_8150 tristate "SM8150 Video Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 07ab4128e9d30012127ba3a138c9f18d117cb787..cf978290516a05c999ff1a53e5d6820658bc4b6c 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -176,6 +176,7 @@ obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o obj-$(CONFIG_SM_VIDEOCC_8350) += videocc-sm8350.o obj-$(CONFIG_SM_VIDEOCC_8450) += videocc-sm8450.o obj-$(CONFIG_SM_VIDEOCC_8550) += videocc-sm8550.o +obj-$(CONFIG_SM_VIDEOCC_MILOS) += videocc-milos.o obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o obj-$(CONFIG_KPSS_XCC) += kpss-xcc.o obj-$(CONFIG_QCOM_HFPLL) += hfpll.o diff --git a/drivers/clk/qcom/videocc-milos.c b/drivers/clk/qcom/videocc-milos.c new file mode 100644 index 0000000000000000000000000000000000000000..998301e0ba887e192b2a3873eb81fa88962834cf --- /dev/null +++ b/drivers/clk/qcom/videocc-milos.c @@ -0,0 +1,403 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2025, Luca Weiss <[email protected]> + */ + +#include <linux/clk-provider.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#include <dt-bindings/clock/qcom,milos-videocc.h> + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "common.h" +#include "gdsc.h" +#include "reset.h" + +/* Need to match the order of clocks in DT binding */ +enum { + DT_BI_TCXO, + DT_BI_TCXO_AO, + DT_SLEEP_CLK, + DT_IFACE, +}; + +enum { + P_BI_TCXO, + P_SLEEP_CLK, + P_VIDEO_CC_PLL0_OUT_MAIN, +}; + +static const struct pll_vco lucid_ole_vco[] = { + { 249600000, 2300000000, 0 }, +}; + +/* 604.8 MHz Configuration */ +static const struct alpha_pll_config video_cc_pll0_config = { + .l = 0x1f, + .alpha = 0x8000, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00182261, + .config_ctl_hi1_val = 0x82aa299c, + .test_ctl_val = 0x00000000, + .test_ctl_hi_val = 0x00000003, + .test_ctl_hi1_val = 0x00009000, + .test_ctl_hi2_val = 0x00000034, + .user_ctl_val = 0x00000000, + .user_ctl_hi_val = 0x00000005, +}; + +static struct clk_alpha_pll video_cc_pll0 = { + .offset = 0x0, + .config = &video_cc_pll0_config, + .vco_table = lucid_ole_vco, + .num_vco = ARRAY_SIZE(lucid_ole_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE], + .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_lucid_evo_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 clk_parent_data video_cc_parent_data_0_ao[] = { + { .index = DT_BI_TCXO_AO }, +}; + +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_ao[] = { + { .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 = 0x8030, + .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_ao, + .num_parents = ARRAY_SIZE(video_cc_parent_data_0_ao), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static const struct freq_tbl ftbl_video_cc_mvs0_clk_src[] = { + F(604800000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + 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(1656000000, 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 = 0x8128, + .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_ao, + .num_parents = ARRAY_SIZE(video_cc_parent_data_2_ao), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_ops, + }, +}; + +static struct clk_rcg2 video_cc_xo_clk_src = { + .cmd_rcgr = 0x810c, + .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_ops, + }, +}; + +static struct clk_regmap_div video_cc_mvs0_div_clk_src = { + .reg = 0x80c4, + .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 = 0x8070, + .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_branch video_cc_mvs0_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_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_shift_clk = { + .halt_reg = 0x8144, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0x8144, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x8144, + .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 = 0x8064, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x8064, + .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_shift_clk = { + .halt_reg = 0x8148, + .halt_check = BRANCH_HALT_VOTED, + .hwcg_reg = 0x8148, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x8148, + .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 gdsc video_cc_mvs0c_gdsc = { + .gdscr = 0x804c, + .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 = 0x80a4, + .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, + .parent = &video_cc_mvs0c_gdsc.pd, + .flags = POLL_CFG_GDSCR | RETAIN_FF_ENABLE | HW_CTRL_TRIGGER, +}; + +static struct clk_regmap *video_cc_milos_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_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_SHIFT_CLK] = &video_cc_mvs0c_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_milos_gdscs[] = { + [VIDEO_CC_MVS0C_GDSC] = &video_cc_mvs0c_gdsc, + [VIDEO_CC_MVS0_GDSC] = &video_cc_mvs0_gdsc, +}; + +static const struct qcom_reset_map video_cc_milos_resets[] = { + [VIDEO_CC_INTERFACE_BCR] = { 0x80f0 }, + [VIDEO_CC_MVS0_BCR] = { 0x80a0 }, + [VIDEO_CC_MVS0C_CLK_ARES] = { 0x8064, 2 }, + [VIDEO_CC_MVS0C_BCR] = { 0x8048 }, +}; + +static struct clk_alpha_pll *video_cc_milos_plls[] = { + &video_cc_pll0, +}; + +static u32 video_cc_milos_critical_cbcrs[] = { + 0x80f4, /* VIDEO_CC_AHB_CLK */ + 0x8140, /* VIDEO_CC_SLEEP_CLK */ + 0x8124, /* VIDEO_CC_XO_CLK */ +}; + +static const struct regmap_config video_cc_milos_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x9f50, + .fast_io = true, +}; + +static struct qcom_cc_driver_data video_cc_milos_driver_data = { + .alpha_plls = video_cc_milos_plls, + .num_alpha_plls = ARRAY_SIZE(video_cc_milos_plls), + .clk_cbcrs = video_cc_milos_critical_cbcrs, + .num_clk_cbcrs = ARRAY_SIZE(video_cc_milos_critical_cbcrs), +}; + +static struct qcom_cc_desc video_cc_milos_desc = { + .config = &video_cc_milos_regmap_config, + .clks = video_cc_milos_clocks, + .num_clks = ARRAY_SIZE(video_cc_milos_clocks), + .resets = video_cc_milos_resets, + .num_resets = ARRAY_SIZE(video_cc_milos_resets), + .gdscs = video_cc_milos_gdscs, + .num_gdscs = ARRAY_SIZE(video_cc_milos_gdscs), + .use_rpm = true, + .driver_data = &video_cc_milos_driver_data, +}; + +static const struct of_device_id video_cc_milos_match_table[] = { + { .compatible = "qcom,milos-videocc" }, + { } +}; +MODULE_DEVICE_TABLE(of, video_cc_milos_match_table); + +static int video_cc_milos_probe(struct platform_device *pdev) +{ + return qcom_cc_probe(pdev, &video_cc_milos_desc); +} + +static struct platform_driver video_cc_milos_driver = { + .probe = video_cc_milos_probe, + .driver = { + .name = "video_cc-milos", + .of_match_table = video_cc_milos_match_table, + }, +}; + +module_platform_driver(video_cc_milos_driver); + +MODULE_DESCRIPTION("QTI VIDEO_CC Milos Driver"); +MODULE_LICENSE("GPL"); -- 2.50.0
