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path: root/drivers/clk/qcom/videocc-sm8150.c
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-rw-r--r--drivers/clk/qcom/videocc-sm8150.c277
1 files changed, 277 insertions, 0 deletions
diff --git a/drivers/clk/qcom/videocc-sm8150.c b/drivers/clk/qcom/videocc-sm8150.c
new file mode 100644
index 0000000000..52a9a453a1
--- /dev/null
+++ b/drivers/clk/qcom/videocc-sm8150.c
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,videocc-sm8150.h>
+
+#include "common.h"
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "reset.h"
+#include "gdsc.h"
+
+enum {
+ P_BI_TCXO,
+ P_VIDEO_PLL0_OUT_MAIN,
+};
+
+static struct pll_vco trion_vco[] = {
+ { 249600000, 2000000000, 0 },
+};
+
+static struct alpha_pll_config video_pll0_config = {
+ .l = 0x14,
+ .alpha = 0xD555,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00002267,
+ .config_ctl_hi1_val = 0x00000024,
+ .test_ctl_hi1_val = 0x00000020,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00000805,
+ .user_ctl_hi1_val = 0x000000D0,
+};
+
+static struct clk_alpha_pll video_pll0 = {
+ .offset = 0x42c,
+ .vco_table = trion_vco,
+ .num_vco = ARRAY_SIZE(trion_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_TRION],
+ .clkr = {
+ .hw.init = &(struct clk_init_data){
+ .name = "video_pll0",
+ .parent_data = &(const struct clk_parent_data){
+ .fw_name = "bi_tcxo",
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_trion_ops,
+ },
+ },
+};
+
+static const struct parent_map video_cc_parent_map_0[] = {
+ { P_BI_TCXO, 0 },
+ { P_VIDEO_PLL0_OUT_MAIN, 1 },
+};
+
+static const struct clk_parent_data video_cc_parent_data_0[] = {
+ { .fw_name = "bi_tcxo" },
+ { .hw = &video_pll0.clkr.hw },
+};
+
+static const struct freq_tbl ftbl_video_cc_iris_clk_src[] = {
+ F(19200000, P_BI_TCXO, 1, 0, 0),
+ F(200000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
+ F(240000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
+ F(338000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
+ F(365000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
+ F(444000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
+ F(533000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 video_cc_iris_clk_src = {
+ .cmd_rcgr = 0x7f0,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = video_cc_parent_map_0,
+ .freq_tbl = ftbl_video_cc_iris_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "video_cc_iris_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_branch video_cc_iris_ahb_clk = {
+ .halt_reg = 0x8f4,
+ .halt_check = BRANCH_VOTED,
+ .clkr = {
+ .enable_reg = 0x8f4,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_iris_ahb_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_iris_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch video_cc_mvs0_core_clk = {
+ .halt_reg = 0x890,
+ .halt_check = BRANCH_VOTED,
+ .clkr = {
+ .enable_reg = 0x890,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs0_core_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_iris_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch video_cc_mvs1_core_clk = {
+ .halt_reg = 0x8d0,
+ .halt_check = BRANCH_VOTED,
+ .clkr = {
+ .enable_reg = 0x8d0,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs1_core_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_iris_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch video_cc_mvsc_core_clk = {
+ .halt_reg = 0x850,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x850,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvsc_core_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_iris_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct gdsc venus_gdsc = {
+ .gdscr = 0x814,
+ .pd = {
+ .name = "venus_gdsc",
+ },
+ .flags = 0,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc vcodec0_gdsc = {
+ .gdscr = 0x874,
+ .pd = {
+ .name = "vcodec0_gdsc",
+ },
+ .flags = HW_CTRL,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc vcodec1_gdsc = {
+ .gdscr = 0x8b4,
+ .pd = {
+ .name = "vcodec1_gdsc",
+ },
+ .flags = HW_CTRL,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+static struct clk_regmap *video_cc_sm8150_clocks[] = {
+ [VIDEO_CC_IRIS_AHB_CLK] = &video_cc_iris_ahb_clk.clkr,
+ [VIDEO_CC_IRIS_CLK_SRC] = &video_cc_iris_clk_src.clkr,
+ [VIDEO_CC_MVS0_CORE_CLK] = &video_cc_mvs0_core_clk.clkr,
+ [VIDEO_CC_MVS1_CORE_CLK] = &video_cc_mvs1_core_clk.clkr,
+ [VIDEO_CC_MVSC_CORE_CLK] = &video_cc_mvsc_core_clk.clkr,
+ [VIDEO_CC_PLL0] = &video_pll0.clkr,
+};
+
+static struct gdsc *video_cc_sm8150_gdscs[] = {
+ [VENUS_GDSC] = &venus_gdsc,
+ [VCODEC0_GDSC] = &vcodec0_gdsc,
+ [VCODEC1_GDSC] = &vcodec1_gdsc,
+};
+
+static const struct regmap_config video_cc_sm8150_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0xb94,
+ .fast_io = true,
+};
+
+static const struct qcom_reset_map video_cc_sm8150_resets[] = {
+ [VIDEO_CC_MVSC_CORE_CLK_BCR] = { 0x850, 2 },
+ [VIDEO_CC_INTERFACE_BCR] = { 0x8f0 },
+ [VIDEO_CC_MVS0_BCR] = { 0x870 },
+ [VIDEO_CC_MVS1_BCR] = { 0x8b0 },
+ [VIDEO_CC_MVSC_BCR] = { 0x810 },
+};
+
+static const struct qcom_cc_desc video_cc_sm8150_desc = {
+ .config = &video_cc_sm8150_regmap_config,
+ .clks = video_cc_sm8150_clocks,
+ .num_clks = ARRAY_SIZE(video_cc_sm8150_clocks),
+ .resets = video_cc_sm8150_resets,
+ .num_resets = ARRAY_SIZE(video_cc_sm8150_resets),
+ .gdscs = video_cc_sm8150_gdscs,
+ .num_gdscs = ARRAY_SIZE(video_cc_sm8150_gdscs),
+};
+
+static const struct of_device_id video_cc_sm8150_match_table[] = {
+ { .compatible = "qcom,sm8150-videocc" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, video_cc_sm8150_match_table);
+
+static int video_cc_sm8150_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+
+ regmap = qcom_cc_map(pdev, &video_cc_sm8150_desc);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ clk_trion_pll_configure(&video_pll0, regmap, &video_pll0_config);
+
+ /* Keep VIDEO_CC_XO_CLK ALWAYS-ON */
+ regmap_update_bits(regmap, 0x984, 0x1, 0x1);
+
+ return qcom_cc_really_probe(pdev, &video_cc_sm8150_desc, regmap);
+}
+
+static struct platform_driver video_cc_sm8150_driver = {
+ .probe = video_cc_sm8150_probe,
+ .driver = {
+ .name = "video_cc-sm8150",
+ .of_match_table = video_cc_sm8150_match_table,
+ },
+};
+
+static int __init video_cc_sm8150_init(void)
+{
+ return platform_driver_register(&video_cc_sm8150_driver);
+}
+subsys_initcall(video_cc_sm8150_init);
+
+static void __exit video_cc_sm8150_exit(void)
+{
+ platform_driver_unregister(&video_cc_sm8150_driver);
+}
+module_exit(video_cc_sm8150_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("QTI VIDEOCC SM8150 Driver");