| /* |
| * Copyright (c) 2015-2016, 2018-2019 The Linux Foundation. All rights reserved. |
| |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <common.h> |
| #include <asm/arch-ipq5018/clk.h> |
| #include <asm/io.h> |
| #include <asm/errno.h> |
| |
| #ifdef CONFIG_IPQ5018_I2C |
| void i2c_clock_config(void) |
| { |
| int cfg; |
| |
| /* Configure qup1_i2c_apps_clk_src */ |
| cfg = (GCC_BLSP1_QUP3_I2C_APPS_CFG_RCGR_SRC_SEL | |
| GCC_BLSP1_QUP3_I2C_APPS_CFG_RCGR_SRC_DIV); |
| writel(cfg, GCC_BLSP1_QUP3_I2C_APPS_CFG_RCGR); |
| |
| writel(CMD_UPDATE, GCC_BLSP1_QUP3_I2C_APPS_CMD_RCGR); |
| mdelay(100); |
| writel(ROOT_EN, GCC_BLSP1_QUP3_I2C_APPS_CMD_RCGR); |
| |
| /* Configure CBCR */ |
| writel(CLK_ENABLE, GCC_BLSP1_QUP3_I2C_APPS_CBCR); |
| } |
| #endif |
| |
| #ifdef CONFIG_IPQ_BT_SUPPORT |
| void enable_btss_lpo_clk(void) |
| { |
| writel(CLK_ENABLE, GCC_BTSS_LPO_CBCR); |
| } |
| #endif |