diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 2804eb9d2340..43a2e68b4b9e 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -710,6 +710,15 @@ config SM_DISPCC_6150 Say Y if you want to support display devices and functionality such as splash pictures. +config SM_GPUCC_6150 + tristate "SM6150 Graphics Clock Controller" + select SM_GCC_6150 + help + Support for the graphics clock controller on Qualcomm Technologies, Inc. + sm6150 devices. + Say Y if you want to support graphics controller devices and + functionality such as 3D graphics. + endif config VIRTIO_CLK diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 67cc4a1709bb..1921a7ef81e0 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -89,6 +89,7 @@ obj-$(CONFIG_SM_GCC_8150) += gcc-sm8150.o obj-$(CONFIG_SM_GCC_HOLI) += gcc-holi.o obj-$(CONFIG_SM_GCC_SHIMA) += gcc-shima.o obj-$(CONFIG_SM_GCC_YUPIK) += gcc-yupik.o +obj-$(CONFIG_SM_GPUCC_6150) += gpucc-sm6150.o obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o obj-$(CONFIG_SM_GPUCC_HOLI) += gpucc-holi.o obj-$(CONFIG_SM_GPUCC_SHIMA) += gpucc-shima.o diff --git a/drivers/clk/qcom/gpucc-sm6150.c b/drivers/clk/qcom/gpucc-sm6150.c new file mode 100644 index 000000000000..6d0e81641162 --- /dev/null +++ b/drivers/clk/qcom/gpucc-sm6150.c @@ -0,0 +1,607 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2020, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "common.h" +#include "vdd-level-sm6150.h" + +static DEFINE_VDD_REGULATORS(vdd_cx, VDD_NUM, 1, vdd_corner); +static DEFINE_VDD_REGULATORS(vdd_mx, VDD_NUM, 1, vdd_corner); + +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 struct pll_vco gpu_cc_pll0_vco[] = { + { 1000000000, 2000000000, 0 }, +}; + +static struct pll_vco gpu_cc_pll1_vco[] = { + { 500000000, 1000000000, 2 }, +}; + +/* 1020MHz configuration */ +static struct alpha_pll_config gpu_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 << 20, + .vco_mask = 0x3 << 20, + .aux2_output_mask = BIT(2), +}; + +static struct clk_init_data gpu_cc_pll0_sa6155 = { + .name = "gpu_cc_pll0", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_slew_ops, +}; + +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], + .flags = SUPPORTS_DYNAMIC_UPDATE, + .config = &gpu_pll0_config, + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_pll0", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_ops, + }, + .vdd_data = { + .vdd_class = &vdd_mx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_MIN] = 1100000000, + [VDD_NOMINAL] = 2000000000}, + }, + }, +}; + +/* 930MHz configuration */ +static struct alpha_pll_config gpu_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 = 0x2 << 20, + .vco_mask = 0x3 << 20, + .aux2_output_mask = BIT(2), +}; + +static struct clk_init_data gpu_cc_pll1_sa6155 = { + .name = "gpu_cc_pll1", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_slew_ops, +}; + +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], + .flags = SUPPORTS_DYNAMIC_UPDATE, + .config = &gpu_pll1_config, + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_pll1", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_ops, + }, + .vdd_data = { + .vdd_class = &vdd_mx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_MIN] = 1100000000, + [VDD_NOMINAL] = 2000000000}, + }, + }, +}; + +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, + }, +}; + +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[] = { + { .fw_name = "bi_tcxo"}, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .fw_name = "gpll0"}, + { .fw_name = "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[] = { + { .fw_name = "bi_tcxo"}, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &crc_div_pll0.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .hw = &crc_div_pll1.hw }, + { .fw_name = "gpll0"}, +}; + +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, + .enable_safe_config = true, + .clkr.hw.init = &(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_ops, + }, + .clkr.vdd_data = { + .vdd_class = &vdd_cx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_LOWER] = 200000000}, + }, +}; + +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, + .flags = FORCE_ENABLE_RCG, + .clkr.hw.init = &(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, + .ops = &clk_rcg2_ops, + }, + .clkr.vdd_data = { + .vdd_class = &vdd_cx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_LOWER] = 290000000, + [VDD_LOW] = 435000000, + [VDD_LOW_L1] = 550000000, + [VDD_NOMINAL] = 700000000, + [VDD_NOMINAL_L1] = 745000000, + [VDD_HIGH] = 845000000, + [VDD_HIGH_L1] = 895000000}, + }, +}; + +static struct clk_branch gpu_cc_ahb_clk = { + .halt_reg = 0x1078, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1078, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_ahb_clk", + .flags = CLK_IS_CRITICAL, + .ops = &clk_branch2_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 = &(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 = &(struct clk_init_data){ + .name = "gpu_cc_cx_gfx3d_clk", + .parent_data = &(const struct clk_parent_data){ + .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, + .clkr = { + .enable_reg = 0x10a8, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_gfx3d_slv_clk", + .parent_data = &(const struct clk_parent_data){ + .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 = &(struct clk_init_data){ + .name = "gpu_cc_cx_gmu_clk", + .parent_data = &(const struct clk_parent_data){ + .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 = &(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 = &(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 = &(struct clk_init_data){ + .name = "gpu_cc_gx_gfx3d_clk", + .parent_data = &(const struct clk_parent_data){ + .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 = &(struct clk_init_data){ + .name = "gpu_cc_gx_gmu_clk", + .parent_data = &(const struct clk_parent_data){ + .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 = &(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 = &(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 clk_regmap *gpu_cc_sm6150_clocks[] = { + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr, + [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 const struct regmap_config gpu_cc_sm6150_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_sm6150_desc = { + .config = &gpu_cc_sm6150_regmap_config, + .clks = gpu_cc_sm6150_clocks, + .num_clks = ARRAY_SIZE(gpu_cc_sm6150_clocks), + .clk_hws = gpu_cc_sm6150_hws, + .num_clk_hws = ARRAY_SIZE(gpu_cc_sm6150_hws), + +}; + +static const struct of_device_id gpu_cc_sm6150_match_table[] = { + { .compatible = "qcom,sm6150-gpucc" }, + { .compatible = "qcom,sa6155-gpucc" }, + { } +}; +MODULE_DEVICE_TABLE(of, gpu_cc_sm6150_match_table); + +static void configure_crc(struct regmap *regmap) +{ + unsigned int value, mask; + + /* Recommended WAKEUP/SLEEP settings for the gpu_cc_cx_gmu_clk */ + mask = 0xf << 8; + mask |= 0xf << 4; + value = 0xf << 8 | 0xf << 4; + regmap_update_bits(regmap, gpu_cc_cx_gmu_clk.clkr.enable_reg, + mask, value); + + /* + * 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 void gpucc_sm6150_fixup_sa6155(struct platform_device *pdev) +{ + vdd_cx.num_levels = VDD_NUM_SA6155; + vdd_cx.cur_level = VDD_NUM_SA6155; + vdd_mx.num_levels = VDD_NUM_SA6155; + vdd_mx.cur_level = VDD_NUM_SA6155; + gpu_cc_gx_gfx3d_clk_src.clkr.vdd_data.rate_max[VDD_HIGH_L1] = 0; + + gpu_cc_pll0.clkr.hw.init = &gpu_cc_pll0_sa6155; + gpu_cc_pll1.clkr.hw.init = &gpu_cc_pll1_sa6155; +} + +static int gpu_cc_sm6150_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + int ret, is_sa6155; + + /* Get CX voltage regulator for CX and GMU clocks. */ + vdd_cx.regulator[0] = devm_regulator_get(&pdev->dev, "vdd_cx"); + if (IS_ERR(vdd_cx.regulator[0])) { + if (!(PTR_ERR(vdd_cx.regulator[0]) == -EPROBE_DEFER)) + dev_err(&pdev->dev, + "Unable to get vdd_cx regulator\n"); + return PTR_ERR(vdd_cx.regulator[0]); + } + + /* Get MX voltage regulator for GPU PLL graphic clock. */ + vdd_mx.regulator[0] = devm_regulator_get(&pdev->dev, "vdd_mx"); + if (IS_ERR(vdd_mx.regulator[0])) { + if (!(PTR_ERR(vdd_mx.regulator[0]) == -EPROBE_DEFER)) + dev_err(&pdev->dev, + "Unable to get vdd_mx regulator\n"); + return PTR_ERR(vdd_mx.regulator[0]); + } + + is_sa6155 = of_device_is_compatible(pdev->dev.of_node, + "qcom,sa6155-gpucc"); + if (is_sa6155) + gpucc_sm6150_fixup_sa6155(pdev); + + regmap = qcom_cc_map(pdev, &gpu_cc_sm6150_desc); + if (IS_ERR(regmap)) { + pr_err("Failed to map the gpu_cc registers\n"); + 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); + + ret = qcom_cc_really_probe(pdev, &gpu_cc_sm6150_desc, regmap); + if (ret) { + dev_err(&pdev->dev, "Failed to register GPU CC clocks\n"); + return ret; + } + + configure_crc(regmap); + + dev_info(&pdev->dev, "Registered GPU CC clocks\n"); + + return ret; +} + +static struct platform_driver gpu_cc_sm6150_driver = { + .probe = gpu_cc_sm6150_probe, + .driver = { + .name = "gpu_cc-sm6150", + .of_match_table = gpu_cc_sm6150_match_table, + }, +}; + +static int __init gpu_cc_sm6150_init(void) +{ + return platform_driver_register(&gpu_cc_sm6150_driver); +} +subsys_initcall(gpu_cc_sm6150_init); + +static void __exit gpu_cc_sm6150_exit(void) +{ + platform_driver_unregister(&gpu_cc_sm6150_driver); +} +module_exit(gpu_cc_sm6150_exit); + +MODULE_DESCRIPTION("QTI GPU_CC SM6150 Driver"); +MODULE_LICENSE("GPL v2");