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path: root/drivers/clk/qcom/gcc-sc7280.c
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Diffstat (limited to 'drivers/clk/qcom/gcc-sc7280.c')
-rw-r--r--drivers/clk/qcom/gcc-sc7280.c190
1 files changed, 47 insertions, 143 deletions
diff --git a/drivers/clk/qcom/gcc-sc7280.c b/drivers/clk/qcom/gcc-sc7280.c
index 6cefcdc86990..4502926a2691 100644
--- a/drivers/clk/qcom/gcc-sc7280.c
+++ b/drivers/clk/qcom/gcc-sc7280.c
@@ -1,13 +1,14 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/clk-provider.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/of_device.h>
#include <linux/of.h>
+#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <dt-bindings/clock/qcom,gcc-sc7280.h>
@@ -17,6 +18,7 @@
#include "clk-rcg.h"
#include "clk-regmap-divider.h"
#include "clk-regmap-mux.h"
+#include "clk-regmap-phy-mux.h"
#include "common.h"
#include "gdsc.h"
#include "reset.h"
@@ -197,12 +199,6 @@ static const struct clk_parent_data gcc_parent_data_0[] = {
{ .hw = &gcc_gpll0_out_even.clkr.hw },
};
-static const struct clk_parent_data gcc_parent_data_0_ao[] = {
- { .fw_name = "bi_tcxo_ao" },
- { .hw = &gcc_gpll0.clkr.hw },
- { .hw = &gcc_gpll0_out_even.clkr.hw },
-};
-
static const struct parent_map gcc_parent_map_1[] = {
{ P_BI_TCXO, 0 },
{ P_GCC_GPLL0_OUT_MAIN, 1 },
@@ -261,26 +257,6 @@ static const struct clk_parent_data gcc_parent_data_5[] = {
{ .hw = &gcc_gpll0_out_even.clkr.hw },
};
-static const struct parent_map gcc_parent_map_6[] = {
- { P_PCIE_0_PIPE_CLK, 0 },
- { P_BI_TCXO, 2 },
-};
-
-static const struct clk_parent_data gcc_parent_data_6[] = {
- { .fw_name = "pcie_0_pipe_clk", .name = "pcie_0_pipe_clk" },
- { .fw_name = "bi_tcxo" },
-};
-
-static const struct parent_map gcc_parent_map_7[] = {
- { P_PCIE_1_PIPE_CLK, 0 },
- { P_BI_TCXO, 2 },
-};
-
-static const struct clk_parent_data gcc_parent_data_7[] = {
- { .fw_name = "pcie_1_pipe_clk", .name = "pcie_1_pipe_clk" },
- { .fw_name = "bi_tcxo" },
-};
-
static const struct parent_map gcc_parent_map_8[] = {
{ P_BI_TCXO, 0 },
{ P_GCC_GPLL0_OUT_MAIN, 1 },
@@ -375,32 +351,32 @@ static const struct clk_parent_data gcc_parent_data_15[] = {
{ .hw = &gcc_mss_gpll0_main_div_clk_src.clkr.hw },
};
-static struct clk_regmap_mux gcc_pcie_0_pipe_clk_src = {
+static struct clk_regmap_phy_mux gcc_pcie_0_pipe_clk_src = {
.reg = 0x6b054,
- .shift = 0,
- .width = 2,
- .parent_map = gcc_parent_map_6,
.clkr = {
.hw.init = &(struct clk_init_data){
.name = "gcc_pcie_0_pipe_clk_src",
- .parent_data = gcc_parent_data_6,
- .num_parents = ARRAY_SIZE(gcc_parent_data_6),
- .ops = &clk_regmap_mux_closest_ops,
+ .parent_data = &(const struct clk_parent_data){
+ .fw_name = "pcie_0_pipe_clk",
+ .name = "pcie_0_pipe_clk",
+ },
+ .num_parents = 1,
+ .ops = &clk_regmap_phy_mux_ops,
},
},
};
-static struct clk_regmap_mux gcc_pcie_1_pipe_clk_src = {
+static struct clk_regmap_phy_mux gcc_pcie_1_pipe_clk_src = {
.reg = 0x8d054,
- .shift = 0,
- .width = 2,
- .parent_map = gcc_parent_map_7,
.clkr = {
.hw.init = &(struct clk_init_data){
.name = "gcc_pcie_1_pipe_clk_src",
- .parent_data = gcc_parent_data_7,
- .num_parents = ARRAY_SIZE(gcc_parent_data_7),
- .ops = &clk_regmap_mux_closest_ops,
+ .parent_data = &(const struct clk_parent_data){
+ .fw_name = "pcie_1_pipe_clk",
+ .name = "pcie_1_pipe_clk",
+ },
+ .num_parents = 1,
+ .ops = &clk_regmap_phy_mux_ops,
},
},
};
@@ -479,24 +455,6 @@ static struct clk_regmap_mux gcc_usb3_sec_phy_pipe_clk_src = {
},
},
};
-static const struct freq_tbl ftbl_gcc_cpuss_ahb_clk_src[] = {
- F(19200000, P_BI_TCXO, 1, 0, 0),
- { }
-};
-
-static struct clk_rcg2 gcc_cpuss_ahb_clk_src = {
- .cmd_rcgr = 0x4800c,
- .mnd_width = 0,
- .hid_width = 5,
- .parent_map = gcc_parent_map_0,
- .freq_tbl = ftbl_gcc_cpuss_ahb_clk_src,
- .clkr.hw.init = &(struct clk_init_data){
- .name = "gcc_cpuss_ahb_clk_src",
- .parent_data = gcc_parent_data_0_ao,
- .num_parents = ARRAY_SIZE(gcc_parent_data_0_ao),
- .ops = &clk_rcg2_ops,
- },
-};
static const struct freq_tbl ftbl_gcc_gp1_clk_src[] = {
F(50000000, P_GCC_GPLL0_OUT_EVEN, 6, 0, 0),
@@ -1239,21 +1197,6 @@ static struct clk_rcg2 gcc_sec_ctrl_clk_src = {
},
};
-static struct clk_regmap_div gcc_cpuss_ahb_postdiv_clk_src = {
- .reg = 0x48024,
- .shift = 0,
- .width = 4,
- .clkr.hw.init = &(struct clk_init_data) {
- .name = "gcc_cpuss_ahb_postdiv_clk_src",
- .parent_hws = (const struct clk_hw*[]){
- &gcc_cpuss_ahb_clk_src.clkr.hw,
- },
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ro_ops,
- },
-};
-
static struct clk_regmap_div gcc_usb30_prim_mock_utmi_postdiv_clk_src = {
.reg = 0xf050,
.shift = 0,
@@ -1500,27 +1443,6 @@ static struct clk_branch gcc_cfg_noc_usb3_sec_axi_clk = {
},
};
-/* For CPUSS functionality the AHB clock needs to be left enabled */
-static struct clk_branch gcc_cpuss_ahb_clk = {
- .halt_reg = 0x48000,
- .halt_check = BRANCH_HALT_VOTED,
- .hwcg_reg = 0x48000,
- .hwcg_bit = 1,
- .clkr = {
- .enable_reg = 0x52000,
- .enable_mask = BIT(21),
- .hw.init = &(struct clk_init_data){
- .name = "gcc_cpuss_ahb_clk",
- .parent_hws = (const struct clk_hw*[]){
- &gcc_cpuss_ahb_postdiv_clk_src.clkr.hw,
- },
- .num_parents = 1,
- .flags = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT,
- .ops = &clk_branch2_ops,
- },
- },
-};
-
static struct clk_branch gcc_ddrss_gpu_axi_clk = {
.halt_reg = 0x71154,
.halt_check = BRANCH_HALT_SKIP,
@@ -2608,27 +2530,6 @@ static struct clk_branch gcc_sdcc4_apps_clk = {
},
};
-/* For CPUSS functionality the AHB clock needs to be left enabled */
-static struct clk_branch gcc_sys_noc_cpuss_ahb_clk = {
- .halt_reg = 0x48178,
- .halt_check = BRANCH_HALT_VOTED,
- .hwcg_reg = 0x48178,
- .hwcg_bit = 1,
- .clkr = {
- .enable_reg = 0x52000,
- .enable_mask = BIT(0),
- .hw.init = &(struct clk_init_data){
- .name = "gcc_sys_noc_cpuss_ahb_clk",
- .parent_hws = (const struct clk_hw*[]){
- &gcc_cpuss_ahb_postdiv_clk_src.clkr.hw,
- },
- .num_parents = 1,
- .flags = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT,
- .ops = &clk_branch2_ops,
- },
- },
-};
-
static struct clk_branch gcc_throttle_pcie_ahb_clk = {
.halt_reg = 0x9001c,
.halt_check = BRANCH_HALT,
@@ -2860,9 +2761,8 @@ static struct clk_branch gcc_usb30_prim_mock_utmi_clk = {
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_usb30_prim_mock_utmi_clk",
- .parent_data = &(const struct clk_parent_data){
- .hw =
- &gcc_usb30_prim_mock_utmi_postdiv_clk_src.clkr.hw,
+ .parent_hws = (const struct clk_hw*[]) {
+ &gcc_usb30_prim_mock_utmi_postdiv_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
@@ -2910,9 +2810,8 @@ static struct clk_branch gcc_usb30_sec_mock_utmi_clk = {
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_usb30_sec_mock_utmi_clk",
- .parent_data = &(const struct clk_parent_data){
- .hw =
- &gcc_usb30_sec_mock_utmi_postdiv_clk_src.clkr.hw,
+ .parent_hws = (const struct clk_hw*[]) {
+ &gcc_usb30_sec_mock_utmi_postdiv_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
@@ -2998,7 +2897,7 @@ static struct clk_branch gcc_cfg_noc_lpass_clk = {
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_cfg_noc_lpass_clk",
- .ops = &clk_branch2_ops,
+ .ops = &clk_branch2_aon_ops,
},
},
};
@@ -3196,6 +3095,9 @@ static struct clk_branch gcc_wpss_rscp_clk = {
static struct gdsc gcc_pcie_0_gdsc = {
.gdscr = 0x6b004,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
.pd = {
.name = "gcc_pcie_0_gdsc",
},
@@ -3208,12 +3110,15 @@ static struct gdsc gcc_pcie_1_gdsc = {
.pd = {
.name = "gcc_pcie_1_gdsc",
},
- .pwrsts = PWRSTS_OFF_ON,
+ .pwrsts = PWRSTS_RET_ON,
.flags = VOTABLE,
};
static struct gdsc gcc_ufs_phy_gdsc = {
.gdscr = 0x77004,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
.pd = {
.name = "gcc_ufs_phy_gdsc",
},
@@ -3223,10 +3128,13 @@ static struct gdsc gcc_ufs_phy_gdsc = {
static struct gdsc gcc_usb30_prim_gdsc = {
.gdscr = 0xf004,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
.pd = {
.name = "gcc_usb30_prim_gdsc",
},
- .pwrsts = PWRSTS_OFF_ON,
+ .pwrsts = PWRSTS_RET_ON,
.flags = VOTABLE,
};
@@ -3235,7 +3143,7 @@ static struct gdsc gcc_usb30_sec_gdsc = {
.pd = {
.name = "gcc_usb30_sec_gdsc",
},
- .pwrsts = PWRSTS_OFF_ON,
+ .pwrsts = PWRSTS_RET_ON,
.flags = VOTABLE,
};
@@ -3294,9 +3202,6 @@ static struct clk_regmap *gcc_sc7280_clocks[] = {
[GCC_CAMERA_SF_AXI_CLK] = &gcc_camera_sf_axi_clk.clkr,
[GCC_CFG_NOC_USB3_PRIM_AXI_CLK] = &gcc_cfg_noc_usb3_prim_axi_clk.clkr,
[GCC_CFG_NOC_USB3_SEC_AXI_CLK] = &gcc_cfg_noc_usb3_sec_axi_clk.clkr,
- [GCC_CPUSS_AHB_CLK] = &gcc_cpuss_ahb_clk.clkr,
- [GCC_CPUSS_AHB_CLK_SRC] = &gcc_cpuss_ahb_clk_src.clkr,
- [GCC_CPUSS_AHB_POSTDIV_CLK_SRC] = &gcc_cpuss_ahb_postdiv_clk_src.clkr,
[GCC_DDRSS_GPU_AXI_CLK] = &gcc_ddrss_gpu_axi_clk.clkr,
[GCC_DDRSS_PCIE_SF_CLK] = &gcc_ddrss_pcie_sf_clk.clkr,
[GCC_DISP_GPLL0_CLK_SRC] = &gcc_disp_gpll0_clk_src.clkr,
@@ -3403,7 +3308,6 @@ static struct clk_regmap *gcc_sc7280_clocks[] = {
[GCC_SDCC4_AHB_CLK] = &gcc_sdcc4_ahb_clk.clkr,
[GCC_SDCC4_APPS_CLK] = &gcc_sdcc4_apps_clk.clkr,
[GCC_SDCC4_APPS_CLK_SRC] = &gcc_sdcc4_apps_clk_src.clkr,
- [GCC_SYS_NOC_CPUSS_AHB_CLK] = &gcc_sys_noc_cpuss_ahb_clk.clkr,
[GCC_THROTTLE_PCIE_AHB_CLK] = &gcc_throttle_pcie_ahb_clk.clkr,
[GCC_TITAN_NRT_THROTTLE_CORE_CLK] =
&gcc_titan_nrt_throttle_core_clk.clkr,
@@ -3559,25 +3463,25 @@ static int gcc_sc7280_probe(struct platform_device *pdev)
if (IS_ERR(regmap))
return PTR_ERR(regmap);
- /*
- * Keep the clocks always-ON
- * GCC_CAMERA_AHB_CLK/XO_CLK, GCC_DISP_AHB_CLK/XO_CLK
- * GCC_VIDEO_AHB_CLK/XO_CLK, GCC_GPU_CFG_AHB_CLK
- */
- regmap_update_bits(regmap, 0x26004, BIT(0), BIT(0));
- regmap_update_bits(regmap, 0x26028, BIT(0), BIT(0));
- regmap_update_bits(regmap, 0x27004, BIT(0), BIT(0));
- regmap_update_bits(regmap, 0x2701C, BIT(0), BIT(0));
- regmap_update_bits(regmap, 0x28004, BIT(0), BIT(0));
- regmap_update_bits(regmap, 0x28014, BIT(0), BIT(0));
- regmap_update_bits(regmap, 0x71004, BIT(0), BIT(0));
+ /* Keep some clocks always-on */
+ qcom_branch_set_clk_en(regmap, 0x26004);/* GCC_CAMERA_AHB_CLK */
+ qcom_branch_set_clk_en(regmap, 0x26028);/* GCC_CAMERA_XO_CLK */
+ qcom_branch_set_clk_en(regmap, 0x27004);/* GCC_DISP_AHB_CLK */
+ qcom_branch_set_clk_en(regmap, 0x2701c);/* GCC_DISP_XO_CLK */
+ qcom_branch_set_clk_en(regmap, 0x28004);/* GCC_VIDEO_AHB_CLK */
+ qcom_branch_set_clk_en(regmap, 0x28014);/* GCC_VIDEO_XO_CLK */
+ qcom_branch_set_clk_en(regmap, 0x71004);/* GCC_GPU_CFG_AHB_CLK */
+ regmap_update_bits(regmap, 0x7100C, BIT(13), BIT(13));
+
+ /* FORCE_MEM_CORE_ON for ufs phy ice core clocks */
+ qcom_branch_set_force_mem_core(regmap, gcc_ufs_phy_ice_core_clk, true);
ret = qcom_cc_register_rcg_dfs(regmap, gcc_dfs_clocks,
ARRAY_SIZE(gcc_dfs_clocks));
if (ret)
return ret;
- return qcom_cc_really_probe(pdev, &gcc_sc7280_desc, regmap);
+ return qcom_cc_really_probe(&pdev->dev, &gcc_sc7280_desc, regmap);
}
static struct platform_driver gcc_sc7280_driver = {
generated by cgit (git 2.34.1) at 2025-12-25 04:04:06 +0000