--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2025, Luca Weiss <luca.weiss@fairphone.com>
+ */
+
+#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-gpucc.h>
+
+#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"
+
+/* Need to match the order of clocks in DT binding */
+enum {
+ DT_BI_TCXO,
+ DT_GPLL0_OUT_MAIN,
+ DT_GPLL0_OUT_MAIN_DIV,
+};
+
+enum {
+ P_BI_TCXO,
+ P_GPLL0_OUT_MAIN,
+ P_GPLL0_OUT_MAIN_DIV,
+ P_GPU_CC_PLL0_OUT_EVEN,
+ P_GPU_CC_PLL0_OUT_MAIN,
+ P_GPU_CC_PLL0_OUT_ODD,
+};
+
+static const struct pll_vco lucid_ole_vco[] = {
+ { 249600000, 2300000000, 0 },
+};
+
+/* 700.0 MHz Configuration */
+static const struct alpha_pll_config gpu_cc_pll0_config = {
+ .l = 0x24,
+ .alpha = 0x7555,
+ .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 = 0x00000400,
+ .user_ctl_hi_val = 0x00000005,
+};
+
+static struct clk_alpha_pll gpu_cc_pll0 = {
+ .offset = 0x0,
+ .config = &gpu_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 = "gpu_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 clk_div_table post_div_table_gpu_cc_pll0_out_even[] = {
+ { 0x1, 2 },
+ { }
+};
+
+static struct clk_alpha_pll_postdiv gpu_cc_pll0_out_even = {
+ .offset = 0x0,
+ .post_div_shift = 10,
+ .post_div_table = post_div_table_gpu_cc_pll0_out_even,
+ .num_post_div = ARRAY_SIZE(post_div_table_gpu_cc_pll0_out_even),
+ .width = 4,
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE],
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_pll0_out_even",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_pll0.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_alpha_pll_postdiv_lucid_ole_ops,
+ },
+};
+
+static const struct parent_map gpu_cc_parent_map_0[] = {
+ { P_BI_TCXO, 0 },
+ { P_GPLL0_OUT_MAIN, 5 },
+ { P_GPLL0_OUT_MAIN_DIV, 6 },
+};
+
+static const struct clk_parent_data gpu_cc_parent_data_0[] = {
+ { .index = DT_BI_TCXO },
+ { .index = DT_GPLL0_OUT_MAIN },
+ { .index = DT_GPLL0_OUT_MAIN_DIV },
+};
+
+static const struct parent_map gpu_cc_parent_map_1[] = {
+ { P_BI_TCXO, 0 },
+ { P_GPU_CC_PLL0_OUT_MAIN, 1 },
+ { P_GPU_CC_PLL0_OUT_EVEN, 2 },
+ { P_GPU_CC_PLL0_OUT_ODD, 3 },
+ { P_GPLL0_OUT_MAIN, 5 },
+ { P_GPLL0_OUT_MAIN_DIV, 6 },
+};
+
+static const struct clk_parent_data gpu_cc_parent_data_1[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &gpu_cc_pll0.clkr.hw },
+ { .hw = &gpu_cc_pll0_out_even.clkr.hw },
+ { .hw = &gpu_cc_pll0.clkr.hw },
+ { .index = DT_GPLL0_OUT_MAIN },
+ { .index = DT_GPLL0_OUT_MAIN_DIV },
+};
+
+static const struct freq_tbl ftbl_gpu_cc_ff_clk_src[] = {
+ F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 gpu_cc_ff_clk_src = {
+ .cmd_rcgr = 0x9474,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = gpu_cc_parent_map_0,
+ .freq_tbl = ftbl_gpu_cc_ff_clk_src,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_ff_clk_src",
+ .parent_data = gpu_cc_parent_data_0,
+ .num_parents = ARRAY_SIZE(gpu_cc_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
+ F(19200000, P_BI_TCXO, 1, 0, 0),
+ F(350000000, P_GPU_CC_PLL0_OUT_EVEN, 1, 0, 0),
+ F(650000000, P_GPU_CC_PLL0_OUT_EVEN, 1, 0, 0),
+ F(687500000, P_GPU_CC_PLL0_OUT_EVEN, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 gpu_cc_gmu_clk_src = {
+ .cmd_rcgr = 0x9318,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = gpu_cc_parent_map_1,
+ .freq_tbl = ftbl_gpu_cc_gmu_clk_src,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_gmu_clk_src",
+ .parent_data = gpu_cc_parent_data_1,
+ .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = {
+ F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0),
+ F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
+ F(400000000, P_GPLL0_OUT_MAIN, 1.5, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 gpu_cc_hub_clk_src = {
+ .cmd_rcgr = 0x93ec,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = gpu_cc_parent_map_1,
+ .freq_tbl = ftbl_gpu_cc_hub_clk_src,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_hub_clk_src",
+ .parent_data = gpu_cc_parent_data_1,
+ .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static struct clk_regmap_div gpu_cc_hub_div_clk_src = {
+ .reg = 0x942c,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_hub_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_hub_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_branch gpu_cc_ahb_clk = {
+ .halt_reg = 0x90bc,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x90bc,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_ahb_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_hub_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_accu_shift_clk = {
+ .halt_reg = 0x910c,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x910c,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_cx_accu_shift_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_ff_clk = {
+ .halt_reg = 0x90ec,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x90ec,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_cx_ff_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_ff_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_gmu_clk = {
+ .halt_reg = 0x90d4,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x90d4,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_cx_gmu_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_gmu_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_aon_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cxo_clk = {
+ .halt_reg = 0x90e4,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x90e4,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_cxo_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_dpm_clk = {
+ .halt_reg = 0x9110,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x9110,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_dpm_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_freq_measure_clk = {
+ .halt_reg = 0x900c,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x900c,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_freq_measure_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_gx_accu_shift_clk = {
+ .halt_reg = 0x9070,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x9070,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_gx_accu_shift_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_gx_acd_ahb_ff_clk = {
+ .halt_reg = 0x9068,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x9068,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_gx_acd_ahb_ff_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_ff_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_gx_gmu_clk = {
+ .halt_reg = 0x9060,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x9060,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_gx_gmu_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_gmu_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_gx_rcg_ahb_ff_clk = {
+ .halt_reg = 0x906c,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x906c,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_gx_rcg_ahb_ff_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_ff_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = {
+ .halt_reg = 0x7000,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x7000,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_hlos1_vote_gpu_smmu_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_hub_aon_clk = {
+ .halt_reg = 0x93e8,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x93e8,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_hub_aon_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_hub_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_aon_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_hub_cx_int_clk = {
+ .halt_reg = 0x90e8,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x90e8,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_hub_cx_int_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_hub_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_aon_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_memnoc_gfx_clk = {
+ .halt_reg = 0x90f4,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x90f4,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_memnoc_gfx_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct gdsc gpu_cc_cx_gdsc = {
+ .gdscr = 0x9080,
+ .gds_hw_ctrl = 0x9094,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0x8,
+ .pd = {
+ .name = "gpu_cc_cx_gdsc",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = RETAIN_FF_ENABLE | VOTABLE,
+};
+
+static struct clk_regmap *gpu_cc_milos_clocks[] = {
+ [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
+ [GPU_CC_CX_ACCU_SHIFT_CLK] = &gpu_cc_cx_accu_shift_clk.clkr,
+ [GPU_CC_CX_FF_CLK] = &gpu_cc_cx_ff_clk.clkr,
+ [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
+ [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
+ [GPU_CC_DPM_CLK] = &gpu_cc_dpm_clk.clkr,
+ [GPU_CC_FF_CLK_SRC] = &gpu_cc_ff_clk_src.clkr,
+ [GPU_CC_FREQ_MEASURE_CLK] = &gpu_cc_freq_measure_clk.clkr,
+ [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
+ [GPU_CC_GX_ACCU_SHIFT_CLK] = &gpu_cc_gx_accu_shift_clk.clkr,
+ [GPU_CC_GX_ACD_AHB_FF_CLK] = &gpu_cc_gx_acd_ahb_ff_clk.clkr,
+ [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
+ [GPU_CC_GX_RCG_AHB_FF_CLK] = &gpu_cc_gx_rcg_ahb_ff_clk.clkr,
+ [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr,
+ [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
+ [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
+ [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
+ [GPU_CC_HUB_DIV_CLK_SRC] = &gpu_cc_hub_div_clk_src.clkr,
+ [GPU_CC_MEMNOC_GFX_CLK] = &gpu_cc_memnoc_gfx_clk.clkr,
+ [GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
+ [GPU_CC_PLL0_OUT_EVEN] = &gpu_cc_pll0_out_even.clkr,
+};
+
+static struct gdsc *gpu_cc_milos_gdscs[] = {
+ [GPU_CC_CX_GDSC] = &gpu_cc_cx_gdsc,
+};
+
+static const struct qcom_reset_map gpu_cc_milos_resets[] = {
+ [GPU_CC_CB_BCR] = { 0x93a0 },
+ [GPU_CC_CX_BCR] = { 0x907c },
+ [GPU_CC_FAST_HUB_BCR] = { 0x93e4 },
+ [GPU_CC_FF_BCR] = { 0x9470 },
+ [GPU_CC_GMU_BCR] = { 0x9314 },
+ [GPU_CC_GX_BCR] = { 0x905c },
+ [GPU_CC_RBCPR_BCR] = { 0x91e0 },
+ [GPU_CC_XO_BCR] = { 0x9000 },
+};
+
+static struct clk_alpha_pll *gpu_cc_milos_plls[] = {
+ &gpu_cc_pll0,
+};
+
+static u32 gpu_cc_milos_critical_cbcrs[] = {
+ 0x93a4, /* GPU_CC_CB_CLK */
+ 0x9008, /* GPU_CC_CXO_AON_CLK */
+ 0x9010, /* GPU_CC_DEMET_CLK */
+ 0x9064, /* GPU_CC_GX_AHB_FF_CLK */
+ 0x93a8, /* GPU_CC_RSCC_HUB_AON_CLK */
+ 0x9004, /* GPU_CC_RSCC_XO_AON_CLK */
+ 0x90cc, /* GPU_CC_SLEEP_CLK */
+};
+
+static const struct regmap_config gpu_cc_milos_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x95e8,
+ .fast_io = true,
+};
+
+static struct qcom_cc_driver_data gpu_cc_milos_driver_data = {
+ .alpha_plls = gpu_cc_milos_plls,
+ .num_alpha_plls = ARRAY_SIZE(gpu_cc_milos_plls),
+ .clk_cbcrs = gpu_cc_milos_critical_cbcrs,
+ .num_clk_cbcrs = ARRAY_SIZE(gpu_cc_milos_critical_cbcrs),
+};
+
+static const struct qcom_cc_desc gpu_cc_milos_desc = {
+ .config = &gpu_cc_milos_regmap_config,
+ .clks = gpu_cc_milos_clocks,
+ .num_clks = ARRAY_SIZE(gpu_cc_milos_clocks),
+ .resets = gpu_cc_milos_resets,
+ .num_resets = ARRAY_SIZE(gpu_cc_milos_resets),
+ .gdscs = gpu_cc_milos_gdscs,
+ .num_gdscs = ARRAY_SIZE(gpu_cc_milos_gdscs),
+ .use_rpm = true,
+ .driver_data = &gpu_cc_milos_driver_data,
+};
+
+static const struct of_device_id gpu_cc_milos_match_table[] = {
+ { .compatible = "qcom,milos-gpucc" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, gpu_cc_milos_match_table);
+
+static int gpu_cc_milos_probe(struct platform_device *pdev)
+{
+ return qcom_cc_probe(pdev, &gpu_cc_milos_desc);
+}
+
+static struct platform_driver gpu_cc_milos_driver = {
+ .probe = gpu_cc_milos_probe,
+ .driver = {
+ .name = "gpu_cc-milos",
+ .of_match_table = gpu_cc_milos_match_table,
+ },
+};
+
+module_platform_driver(gpu_cc_milos_driver);
+
+MODULE_DESCRIPTION("QTI GPU_CC Milos Driver");
+MODULE_LICENSE("GPL");
projects / thirdparty / kernel / linux.git / commitdiff
