@@ -486,6 +486,14 @@ config QCS_GCC_404
Say Y if you want to use multimedia devices or peripheral
devices such as UART, SPI, I2C, USB, SD/eMMC, PCIe etc.
+config QCS_GPUCC_615
+ tristate "QCS615 Graphics clock controller"
+ select QCS_GCC_615
+ help
+ Support for the graphics clock controller on QCS615 devices.
+ Say Y if you want to support graphics controller devices and
+ functionality such as 3D graphics.
+
config SC_CAMCC_7180
tristate "SC7180 Camera Clock Controller"
depends on ARM64 || COMPILE_TEST
@@ -72,6 +72,7 @@ obj-$(CONFIG_QCM_DISPCC_2290) += dispcc-qcm2290.o
obj-$(CONFIG_QCS_DISPCC_615) += dispcc-qcs615.o
obj-$(CONFIG_QCS_CAMCC_615) += camcc-qcs615.o
obj-$(CONFIG_QCS_GCC_404) += gcc-qcs404.o
+obj-$(CONFIG_QCS_GPUCC_615) += gpucc-qcs615.o
obj-$(CONFIG_QCS_Q6SSTOP_404) += q6sstop-qcs404.o
obj-$(CONFIG_QCS_TURING_404) += turingcc-qcs404.o
obj-$(CONFIG_QDU_ECPRICC_1000) += ecpricc-qdu1000.o
new file mode 100644
@@ -0,0 +1,525 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,qcs615-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"
+
+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_2X_CLK,
+ P_CRC_DIV_PLL0_OUT_AUX2,
+ P_GPU_CC_PLL0_OUT_MAIN,
+ P_GPU_CC_PLL1_OUT_AUX,
+ P_CRC_DIV_PLL1_OUT_AUX2,
+ P_GPU_CC_PLL1_OUT_MAIN,
+};
+
+static const struct pll_vco gpu_cc_pll0_vco[] = {
+ { 1000000000, 2100000000, 0 },
+};
+
+static struct pll_vco gpu_cc_pll1_vco[] = {
+ { 500000000, 1000000000, 2 },
+};
+
+/* 1020MHz configuration VCO - 0 */
+static struct alpha_pll_config gpu_cc_pll0_config = {
+ .l = 0x35,
+ .config_ctl_val = 0x4001055b,
+ .test_ctl_hi_val = 0x1,
+ .test_ctl_hi_mask = 0x1,
+ .alpha_hi = 0x20,
+ .alpha = 0x00,
+ .alpha_en_mask = BIT(24),
+ .vco_val = 0x0,
+ .vco_mask = GENMASK(21, 20),
+ .aux2_output_mask = BIT(2),
+};
+
+static struct clk_alpha_pll gpu_cc_pll0 = {
+ .offset = 0x0,
+ .vco_table = gpu_cc_pll0_vco,
+ .num_vco = ARRAY_SIZE(gpu_cc_pll0_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
+ .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_slew_ops,
+ },
+ },
+};
+
+/* 930MHz configuration VCO - 2 */
+static struct alpha_pll_config gpu_cc_pll1_config = {
+ .l = 0x30,
+ .config_ctl_val = 0x4001055b,
+ .test_ctl_hi_val = 0x1,
+ .test_ctl_hi_mask = 0x1,
+ .alpha_hi = 0x70,
+ .alpha = 0x00,
+ .alpha_en_mask = BIT(24),
+ .vco_val = BIT(21),
+ .vco_mask = GENMASK(21, 20),
+ .aux2_output_mask = BIT(2),
+};
+
+static struct clk_alpha_pll gpu_cc_pll1 = {
+ .offset = 0x100,
+ .vco_table = gpu_cc_pll1_vco,
+ .num_vco = ARRAY_SIZE(gpu_cc_pll1_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
+ .clkr = {
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_pll1",
+ .parent_data = &(const struct clk_parent_data) {
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_slew_ops,
+ },
+ }
+};
+
+/* Clock Ramp Controller */
+static struct clk_fixed_factor crc_div_pll0 = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "crc_div_pll0",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_pll0.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_fixed_factor_ops,
+ },
+};
+
+/* Clock Ramp Controller */
+static struct clk_fixed_factor crc_div_pll1 = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "crc_div_pll1",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_pll1.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_fixed_factor_ops,
+ },
+};
+
+static const struct parent_map gpu_cc_parent_map_0[] = {
+ { P_BI_TCXO, 0 },
+ { P_GPU_CC_PLL0_OUT_MAIN, 1 },
+ { P_GPU_CC_PLL1_OUT_MAIN, 3 },
+ { 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 },
+ { .hw = &gpu_cc_pll0.clkr.hw },
+ { .hw = &gpu_cc_pll1.clkr.hw },
+ { .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_2X_CLK, 1 },
+ { P_CRC_DIV_PLL0_OUT_AUX2, 2 },
+ { P_GPU_CC_PLL1_OUT_AUX, 3 },
+ { P_CRC_DIV_PLL1_OUT_AUX2, 4 },
+ { P_GPLL0_OUT_MAIN, 5 },
+};
+
+static const struct clk_parent_data gpu_cc_parent_data_1[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &gpu_cc_pll0.clkr.hw },
+ { .hw = &crc_div_pll0.hw },
+ { .hw = &gpu_cc_pll1.clkr.hw },
+ { .hw = &crc_div_pll1.hw },
+ { .index = DT_GPLL0_OUT_MAIN },
+};
+
+static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
+ F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 gpu_cc_gmu_clk_src = {
+ .cmd_rcgr = 0x1120,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = gpu_cc_parent_map_0,
+ .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_0,
+ .num_parents = ARRAY_SIZE(gpu_cc_parent_data_0),
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_gpu_cc_gx_gfx3d_clk_src[] = {
+ F(290000000, P_CRC_DIV_PLL1_OUT_AUX2, 1, 0, 0),
+ F(350000000, P_CRC_DIV_PLL1_OUT_AUX2, 1, 0, 0),
+ F(435000000, P_CRC_DIV_PLL1_OUT_AUX2, 1, 0, 0),
+ F(500000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0),
+ F(550000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0),
+ F(650000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0),
+ F(700000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0),
+ F(745000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0),
+ F(845000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0),
+ F(895000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 gpu_cc_gx_gfx3d_clk_src = {
+ .cmd_rcgr = 0x101c,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = gpu_cc_parent_map_1,
+ .freq_tbl = ftbl_gpu_cc_gx_gfx3d_clk_src,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_gx_gfx3d_clk_src",
+ .parent_data = gpu_cc_parent_data_1,
+ .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1),
+ .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static struct clk_branch gpu_cc_crc_ahb_clk = {
+ .halt_reg = 0x107c,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x107c,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_crc_ahb_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_gfx3d_clk = {
+ .halt_reg = 0x10a4,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x10a4,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_cx_gfx3d_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_gx_gfx3d_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_gfx3d_slv_clk = {
+ .halt_reg = 0x10a8,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x10a8,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_cx_gfx3d_slv_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_gx_gfx3d_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 = 0x1098,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x1098,
+ .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_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_snoc_dvm_clk = {
+ .halt_reg = 0x108c,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x108c,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_cx_snoc_dvm_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cxo_aon_clk = {
+ .halt_reg = 0x1004,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1004,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cxo_aon_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cxo_clk = {
+ .halt_reg = 0x109c,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x109c,
+ .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_gx_gfx3d_clk = {
+ .halt_reg = 0x1054,
+ .halt_check = BRANCH_HALT_SKIP,
+ .clkr = {
+ .enable_reg = 0x1054,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_gx_gfx3d_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &gpu_cc_gx_gfx3d_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 = 0x1064,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x1064,
+ .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_hlos1_vote_gpu_smmu_clk = {
+ .halt_reg = 0x5000,
+ .halt_check = BRANCH_VOTED,
+ .clkr = {
+ .enable_reg = 0x5000,
+ .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_sleep_clk = {
+ .halt_reg = 0x1090,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1090,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "gpu_cc_sleep_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+struct clk_hw *gpu_cc_sm6150_hws[] = {
+ [CRC_DIV_PLL0] = &crc_div_pll0.hw,
+ [CRC_DIV_PLL1] = &crc_div_pll1.hw,
+};
+
+static struct gdsc cx_gdsc = {
+ .gdscr = 0x106c,
+ .gds_hw_ctrl = 0x1540,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0x8,
+ .pd = {
+ .name = "cx_gdsc",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = POLL_CFG_GDSCR,
+};
+
+static struct gdsc gx_gdsc = {
+ .gdscr = 0x100c,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0x2,
+ .pd = {
+ .name = "gx_gdsc",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = POLL_CFG_GDSCR,
+};
+
+static struct clk_regmap *gpu_cc_qcs615_clocks[] = {
+ [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr,
+ [GPU_CC_CX_GFX3D_CLK] = &gpu_cc_cx_gfx3d_clk.clkr,
+ [GPU_CC_CX_GFX3D_SLV_CLK] = &gpu_cc_cx_gfx3d_slv_clk.clkr,
+ [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
+ [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr,
+ [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr,
+ [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
+ [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
+ [GPU_CC_GX_GFX3D_CLK] = &gpu_cc_gx_gfx3d_clk.clkr,
+ [GPU_CC_GX_GFX3D_CLK_SRC] = &gpu_cc_gx_gfx3d_clk_src.clkr,
+ [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
+ [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr,
+ [GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
+ [GPU_CC_PLL1] = &gpu_cc_pll1.clkr,
+ [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr,
+};
+
+static struct gdsc *gpu_cc_qcs615_gdscs[] = {
+ [CX_GDSC] = &cx_gdsc,
+ [GX_GDSC] = &gx_gdsc,
+};
+
+static const struct qcom_reset_map gpu_cc_qcs615_resets[] = {
+ [GPU_CC_CX_BCR] = { 0x1068 },
+ [GPU_CC_GFX3D_AON_BCR] = { 0x10a0 },
+ [GPU_CC_GMU_BCR] = { 0x111c },
+ [GPU_CC_GX_BCR] = { 0x1008 },
+ [GPU_CC_XO_BCR] = { 0x1000 },
+};
+
+static const struct regmap_config gpu_cc_qcs615_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x7008,
+ .fast_io = true,
+};
+
+static const struct qcom_cc_desc gpu_cc_qcs615_desc = {
+ .config = &gpu_cc_qcs615_regmap_config,
+ .clks = gpu_cc_qcs615_clocks,
+ .num_clks = ARRAY_SIZE(gpu_cc_qcs615_clocks),
+ .clk_hws = gpu_cc_sm6150_hws,
+ .num_clk_hws = ARRAY_SIZE(gpu_cc_sm6150_hws),
+ .resets = gpu_cc_qcs615_resets,
+ .num_resets = ARRAY_SIZE(gpu_cc_qcs615_resets),
+ .gdscs = gpu_cc_qcs615_gdscs,
+ .num_gdscs = ARRAY_SIZE(gpu_cc_qcs615_gdscs),
+};
+
+static const struct of_device_id gpu_cc_qcs615_match_table[] = {
+ { .compatible = "qcom,qcs615-gpucc" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, gpu_cc_qcs615_match_table);
+
+static void configure_crc(struct regmap *regmap)
+{
+ /* Recommended WAKEUP/SLEEP settings for the gpu_cc_cx_gmu_clk */
+ regmap_update_bits(regmap, gpu_cc_cx_gmu_clk.clkr.enable_reg, 0xff0, 0xff0);
+
+ /*
+ * After POR, Clock Ramp Controller(CRC) will be in bypass mode.
+ * Software needs to do the following operation to enable the CRC
+ * for GFX3D clock and divide the input clock by div by 2.
+ */
+ regmap_update_bits(regmap, 0x1028, 0x00015011, 0x00015011);
+ regmap_update_bits(regmap, 0x1024, 0x00800000, 0x00800000);
+}
+
+static int gpu_cc_qcs615_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+
+ regmap = qcom_cc_map(pdev, &gpu_cc_qcs615_desc);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ clk_alpha_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config);
+ clk_alpha_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);
+
+ /* Keep some clocks always enabled */
+ qcom_branch_set_clk_en(regmap, 0x1078); /* GPU_CC_AHB_CLK */
+
+ configure_crc(regmap);
+
+ return qcom_cc_really_probe(&pdev->dev, &gpu_cc_qcs615_desc, regmap);
+}
+
+static struct platform_driver gpu_cc_qcs615_driver = {
+ .probe = gpu_cc_qcs615_probe,
+ .driver = {
+ .name = "gpucc-qcs615",
+ .of_match_table = gpu_cc_qcs615_match_table,
+ },
+};
+
+module_platform_driver(gpu_cc_qcs615_driver);
+
+MODULE_DESCRIPTION("QTI GPUCC QCS615 Driver");
+MODULE_LICENSE("GPL");