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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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clk: qcom: debugcc: Add debug clock controller support for QCS404
Add debug clock controller to support measure functionality for all clock controllers. Change-Id: I83605f40ef92f9c3ee1bce2cb3639660630d4cd0 Signed-off-by: Veera Vegivada <vvegivad@codeaurora.org>
This commit is contained in:
parent
0522611287
commit
d18ec3a55e
3 changed files with 377 additions and 0 deletions
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@ -230,6 +230,15 @@ config MSM_GCC_8998
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Say Y if you want to use peripheral devices such as UART, SPI,
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i2c, USB, UFS, SD/eMMC, PCIe, etc.
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config QCS_DEBUGCC_404
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tristate "QCS404 Debug Clock Controller"
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depends on QCS_GCC_404
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help
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Support for the debug clock controller on Qualcomm Technologies, Inc.
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QCS404 devices.
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Say Y if you want to support the debug clocks such as clock measurement
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functionality.
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config QCS_GCC_404
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tristate "QCS404 Global Clock Controller"
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help
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@ -55,6 +55,7 @@ obj-$(CONFIG_QCOM_CLK_RPM) += clk-rpm.o
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obj-$(CONFIG_QCOM_CLK_RPMH) += clk-rpmh.o
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obj-$(CONFIG_QCOM_CLK_SMD_RPM) += clk-smd-rpm.o
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obj-$(CONFIG_QCS_CMN_BLK_PLL) += cmn-blk-pll.o
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obj-$(CONFIG_QCS_DEBUGCC_404) += debugcc-qcs404.o
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obj-$(CONFIG_QCS_GCC_404) += gcc-qcs404.o
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obj-$(CONFIG_QCS_TURING_404) += turingcc-qcs404.o
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obj-$(CONFIG_SA_DEBUGCC_DIREWOLF) += debugcc-direwolf.o
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367
drivers/clk/qcom/debugcc-qcs404.c
Normal file
367
drivers/clk/qcom/debugcc-qcs404.c
Normal file
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@ -0,0 +1,367 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2021, The Linux Foundation. All rights reserved.
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*/
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#define pr_fmt(fmt) "clk: %s: " fmt, __func__
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#include <linux/clk.h>
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#include <linux/clk-provider.h>
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#include <linux/err.h>
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#include <linux/kernel.h>
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#include <linux/mfd/syscon.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/regmap.h>
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#include "clk-debug.h"
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#include "common.h"
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static struct measure_clk_data debug_mux_priv = {
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.ctl_reg = 0x74004,
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.status_reg = 0x74008,
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.xo_div4_cbcr = 0x30034,
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};
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static const char *const apcs_debug_mux_parent_names[] = {
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"measure_only_apcs_clk",
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};
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static int apcs_debug_mux_sels[] = {
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0x0, /* measure_only_apcs_clk */
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};
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static int apcs_debug_mux_pre_divs[] = {
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0x1, /* measure_only_apcs_clk */
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};
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static struct clk_debug_mux apcs_debug_mux = {
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.priv = &debug_mux_priv,
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.debug_offset = 0x0,
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.post_div_offset = 0x0,
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.cbcr_offset = U32_MAX,
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.src_sel_mask = 0x300,
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.src_sel_shift = 8,
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.post_div_mask = 0x1E0000,
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.post_div_shift = 11,
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.post_div_val = 1,
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.mux_sels = apcs_debug_mux_sels,
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.pre_div_vals = apcs_debug_mux_pre_divs,
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.hw.init = &(struct clk_init_data){
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.name = "apcs_debug_mux",
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.ops = &clk_debug_mux_ops,
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.parent_names = apcs_debug_mux_parent_names,
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.num_parents = ARRAY_SIZE(apcs_debug_mux_parent_names),
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.flags = CLK_IS_MEASURE,
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},
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};
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static const char *const gcc_debug_mux_parent_names[] = {
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"gcc_apss_ahb_clk",
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"gcc_bimc_gfx_clk",
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"gcc_bimc_gpu_clk",
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"gcc_bimc_mdss_clk",
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"gcc_blsp1_ahb_clk",
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"gcc_blsp1_qup0_i2c_apps_clk",
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"gcc_blsp1_qup0_spi_apps_clk",
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"gcc_blsp1_qup1_i2c_apps_clk",
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"gcc_blsp1_qup1_spi_apps_clk",
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"gcc_blsp1_qup2_i2c_apps_clk",
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"gcc_blsp1_qup2_spi_apps_clk",
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"gcc_blsp1_qup3_i2c_apps_clk",
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"gcc_blsp1_qup3_spi_apps_clk",
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"gcc_blsp1_qup4_i2c_apps_clk",
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"gcc_blsp1_qup4_spi_apps_clk",
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"gcc_blsp1_uart0_apps_clk",
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"gcc_blsp1_uart1_apps_clk",
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"gcc_blsp1_uart2_apps_clk",
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"gcc_blsp1_uart3_apps_clk",
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"gcc_blsp2_ahb_clk",
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"gcc_blsp2_qup0_i2c_apps_clk",
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"gcc_blsp2_qup0_spi_apps_clk",
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"gcc_blsp2_uart0_apps_clk",
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"gcc_boot_rom_ahb_clk",
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"gcc_dcc_clk",
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"gcc_eth_axi_clk",
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"gcc_eth_ptp_clk",
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"gcc_eth_rgmii_clk",
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"gcc_eth_slave_ahb_clk",
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"gcc_geni_ir_s_clk",
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"gcc_gfx_tbu_clk",
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"gcc_gfx_tcu_clk",
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"gcc_gp1_clk",
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"gcc_gp2_clk",
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"gcc_gp3_clk",
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"gcc_gtcu_ahb_clk",
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"gcc_mdss_ahb_clk",
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"gcc_mdss_axi_clk",
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"gcc_mdss_byte0_clk",
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"gcc_mdss_esc0_clk",
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"gcc_mdss_hdmi_app_clk",
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"gcc_mdss_hdmi_pclk_clk",
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"gcc_mdss_mdp_clk",
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"gcc_mdss_pclk0_clk",
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"gcc_mdss_vsync_clk",
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"gcc_oxili_ahb_clk",
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"gcc_oxili_gfx3d_clk",
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"gcc_pcie_0_aux_clk",
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"gcc_pcie_0_cfg_ahb_clk",
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"gcc_pcie_0_mstr_axi_clk",
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"gcc_pcie_0_pipe_clk",
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"gcc_pcie_0_slv_axi_clk",
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"gcc_pcnoc_usb2_clk",
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"gcc_pcnoc_usb3_clk",
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"gcc_pdm2_clk",
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"gcc_pdm_ahb_clk",
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"gcc_prng_ahb_clk",
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"gcc_pwm0_xo512_clk",
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"gcc_pwm1_xo512_clk",
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"gcc_pwm2_xo512_clk",
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"gcc_sdcc1_ahb_clk",
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"gcc_sdcc1_apps_clk",
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"gcc_sdcc1_ice_core_clk",
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"gcc_sdcc2_ahb_clk",
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"gcc_sdcc2_apps_clk",
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"gcc_smmu_cfg_clk",
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"gcc_sys_noc_usb3_clk",
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"gcc_usb20_mock_utmi_clk",
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"gcc_usb2a_phy_sleep_clk",
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"gcc_usb30_master_clk",
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"gcc_usb30_mock_utmi_clk",
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"gcc_usb30_phy_pipe_clk",
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"gcc_usb30_sleep_clk",
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"gcc_usb3_phy_aux_clk",
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"gcc_usb_hs_inactivity_timers_clk",
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"gcc_usb_hs_phy_cfg_ahb_clk",
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"gcc_usb_hs_system_clk",
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"gcc_apss_tcu_clk",
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"gcc_crypto_ahb_clk",
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"gcc_crypto_axi_clk",
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"gcc_mdp_tbu_clk",
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"gcc_qdss_dap_clk",
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"gcc_geni_ir_h_clk",
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"gcc_dcc_xo_clk",
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"pnoc_clk",
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"qpic_clk",
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"snoc_clk",
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"bimc_clk",
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"ce1_clk",
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"apcs_debug_mux",
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};
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static int gcc_debug_mux_sels[] = {
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0x168, /* gcc_apss_ahb_clk */
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0x2D, /* gcc_bimc_gfx_clk */
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0x157, /* gcc_bimc_gpu_clk */
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0x15F, /* gcc_bimc_mdss_clk */
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0x88, /* gcc_blsp1_ahb_clk */
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0x99, /* gcc_blsp1_qup0_i2c_apps_clk */
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0x98, /* gcc_blsp1_qup0_spi_apps_clk */
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0x8B, /* gcc_blsp1_qup1_i2c_apps_clk */
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0x8A, /* gcc_blsp1_qup1_spi_apps_clk */
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0x8F, /* gcc_blsp1_qup2_i2c_apps_clk */
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0x8E, /* gcc_blsp1_qup2_spi_apps_clk */
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0x93, /* gcc_blsp1_qup3_i2c_apps_clk */
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0x92, /* gcc_blsp1_qup3_spi_apps_clk */
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0x95, /* gcc_blsp1_qup4_i2c_apps_clk */
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0x94, /* gcc_blsp1_qup4_spi_apps_clk */
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0x9A, /* gcc_blsp1_uart0_apps_clk */
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0x8C, /* gcc_blsp1_uart1_apps_clk */
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0x90, /* gcc_blsp1_uart2_apps_clk */
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0x96, /* gcc_blsp1_uart3_apps_clk */
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0xA0, /* gcc_blsp2_ahb_clk */
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0xA3, /* gcc_blsp2_qup0_i2c_apps_clk */
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0xA2, /* gcc_blsp2_qup0_spi_apps_clk */
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0xA4, /* gcc_blsp2_uart0_apps_clk */
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0xF8, /* gcc_boot_rom_ahb_clk */
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0x1B9, /* gcc_dcc_clk */
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0x80, /* gcc_eth_axi_clk */
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0x83, /* gcc_eth_ptp_clk */
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0x81, /* gcc_eth_rgmii_clk */
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0x82, /* gcc_eth_slave_ahb_clk */
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0xEE, /* gcc_geni_ir_s_clk */
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0x52, /* gcc_gfx_tbu_clk */
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0x53, /* gcc_gfx_tcu_clk */
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0x10, /* gcc_gp1_clk */
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0x11, /* gcc_gp2_clk */
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0x12, /* gcc_gp3_clk */
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0x58, /* gcc_gtcu_ahb_clk */
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0x1F6, /* gcc_mdss_ahb_clk */
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0x1F7, /* gcc_mdss_axi_clk */
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0x1FC, /* gcc_mdss_byte0_clk */
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0x1FD, /* gcc_mdss_esc0_clk */
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0x1F2, /* gcc_mdss_hdmi_app_clk */
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0x1F1, /* gcc_mdss_hdmi_pclk_clk */
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0x1F9, /* gcc_mdss_mdp_clk */
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0x1F8, /* gcc_mdss_pclk0_clk */
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0x1FB, /* gcc_mdss_vsync_clk */
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0x1EB, /* gcc_oxili_ahb_clk */
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0x1EA, /* gcc_oxili_gfx3d_clk */
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0xAB, /* gcc_pcie_0_aux_clk */
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0xAA, /* gcc_pcie_0_cfg_ahb_clk */
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0xA9, /* gcc_pcie_0_mstr_axi_clk */
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0xAC, /* gcc_pcie_0_pipe_clk */
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0xA8, /* gcc_pcie_0_slv_axi_clk */
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0x9, /* gcc_pcnoc_usb2_clk */
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0xA, /* gcc_pcnoc_usb3_clk */
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0xD2, /* gcc_pdm2_clk */
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0xD0, /* gcc_pdm_ahb_clk */
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0xD8, /* gcc_prng_ahb_clk */
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0xD3, /* gcc_pwm0_xo512_clk */
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0xD4, /* gcc_pwm1_xo512_clk */
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0xD5, /* gcc_pwm2_xo512_clk */
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0x69, /* gcc_sdcc1_ahb_clk */
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0x68, /* gcc_sdcc1_apps_clk */
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0x6A, /* gcc_sdcc1_ice_core_clk */
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0x71, /* gcc_sdcc2_ahb_clk */
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0x70, /* gcc_sdcc2_apps_clk */
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0x5B, /* gcc_smmu_cfg_clk */
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0x1, /* gcc_sys_noc_usb3_clk */
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0x65, /* gcc_usb20_mock_utmi_clk */
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0x63, /* gcc_usb2a_phy_sleep_clk */
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0x78, /* gcc_usb30_master_clk */
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0x7A, /* gcc_usb30_mock_utmi_clk */
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0x7B, /* gcc_usb30_phy_pipe_clk */
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0x79, /* gcc_usb30_sleep_clk */
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0x7C, /* gcc_usb3_phy_aux_clk */
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0x62, /* gcc_usb_hs_inactivity_timers_clk */
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0x64, /* gcc_usb_hs_phy_cfg_ahb_clk */
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0x60, /* gcc_usb_hs_system_clk */
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0x159, /* gcc_apss_tcu_clk */
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0x13A, /* gcc_crypto_ahb_clk */
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0x139, /* gcc_crypto_axi_clk */
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0x051, /* gcc_mdp_tbu_clk */
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0x049, /* gcc_qdss_dap_clk */
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0x0EC, /* gcc_geni_ir_h_clk */
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0x1B8, /* gcc_dcc_xo_clk */
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0x008, /* pnoc_clk */
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0xC0, /* qpic_clk */
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0x0, /* snoc_clk */
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0x15A, /* bimc_clk */
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0x138, /* ce1_clk */
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0x16A, /* apcs_debug_mux */
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};
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static struct clk_debug_mux gcc_debug_mux = {
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.priv = &debug_mux_priv,
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.debug_offset = 0x74000,
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.post_div_offset = 0x74000,
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.cbcr_offset = 0x74000,
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.src_sel_mask = 0x1FF,
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.src_sel_shift = 0,
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.post_div_mask = 0xF000,
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.post_div_shift = 12,
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.post_div_val = 1,
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.en_mask = BIT(16),
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.mux_sels = gcc_debug_mux_sels,
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.hw.init = &(struct clk_init_data){
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.name = "gcc_debug_mux",
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.ops = &clk_debug_mux_ops,
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.parent_names = gcc_debug_mux_parent_names,
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.num_parents = ARRAY_SIZE(gcc_debug_mux_parent_names),
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.flags = CLK_IS_MEASURE,
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},
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};
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static struct mux_regmap_names mux_list[] = {
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{ .mux = &gcc_debug_mux, .regmap_name = "qcom,gcc" },
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{ .mux = &apcs_debug_mux, .regmap_name = "qcom,cpucc" },
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};
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static struct clk_dummy measure_only_apcs_clk = {
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.rrate = 1000,
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.hw.init = &(struct clk_init_data){
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.name = "measure_only_apcs_clk",
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.ops = &clk_dummy_ops,
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},
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};
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static struct clk_hw *debugcc_qcs404_hws[] = {
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&measure_only_apcs_clk.hw,
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};
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static const struct of_device_id clk_debug_match_table[] = {
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{ .compatible = "qcom,qcs404-debugcc" },
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{ }
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};
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static int clk_debug_qcs404_probe(struct platform_device *pdev)
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{
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struct clk *clk;
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int ret, i;
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BUILD_BUG_ON(ARRAY_SIZE(gcc_debug_mux_parent_names) != ARRAY_SIZE(gcc_debug_mux_sels));
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BUILD_BUG_ON(ARRAY_SIZE(apcs_debug_mux_parent_names) != ARRAY_SIZE(apcs_debug_mux_sels));
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clk = devm_clk_get(&pdev->dev, "xo_clk_src");
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if (IS_ERR(clk)) {
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if (PTR_ERR(clk) != -EPROBE_DEFER)
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dev_err(&pdev->dev, "Unable to get xo clock\n");
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return PTR_ERR(clk);
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}
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debug_mux_priv.cxo = clk;
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for (i = 0; i < ARRAY_SIZE(mux_list); i++) {
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if (IS_ERR_OR_NULL(mux_list[i].mux->regmap)) {
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ret = map_debug_bases(pdev,
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mux_list[i].regmap_name, mux_list[i].mux);
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if (ret == -EBADR)
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continue;
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else if (ret)
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return ret;
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}
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}
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for (i = 0; i < ARRAY_SIZE(mux_list); i++) {
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if (!mux_list[i].mux->regmap)
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continue;
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clk = devm_clk_register(&pdev->dev, &mux_list[i].mux->hw);
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if (IS_ERR(clk)) {
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dev_err(&pdev->dev, "Unable to register mux clk %s, err:(%d)\n",
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clk_hw_get_name(&mux_list[i].mux->hw),
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PTR_ERR(clk));
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return PTR_ERR(clk);
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}
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}
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for (i = 0; i < ARRAY_SIZE(debugcc_qcs404_hws); i++) {
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clk = devm_clk_register(&pdev->dev, debugcc_qcs404_hws[i]);
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if (IS_ERR(clk)) {
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dev_err(&pdev->dev, "Unable to register %s, err:(%d)\n",
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clk_hw_get_name(debugcc_qcs404_hws[i]),
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PTR_ERR(clk));
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return PTR_ERR(clk);
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}
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}
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ret = clk_debug_measure_register(&gcc_debug_mux.hw);
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if (ret) {
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dev_err(&pdev->dev, "Could not register Measure clocks\n");
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return ret;
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}
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dev_info(&pdev->dev, "Registered debug measure clocks\n");
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return ret;
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}
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static struct platform_driver clk_debug_driver = {
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.probe = clk_debug_qcs404_probe,
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.driver = {
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.name = "qcs404-debugcc",
|
||||
.of_match_table = clk_debug_match_table,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init clk_debug_qcs404_init(void)
|
||||
{
|
||||
return platform_driver_register(&clk_debug_driver);
|
||||
}
|
||||
fs_initcall(clk_debug_qcs404_init);
|
||||
|
||||
MODULE_DESCRIPTION("QTI DEBUG CC QCS404 Driver");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
Loading…
Reference in a new issue