426 lines
12 KiB
C
426 lines
12 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#include <linux/mfd/mt6315/registers.h>
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#include <linux/pmif.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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#include <linux/regulator/mt6315-misc.h>
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#include <linux/regulator/mt6315-regulator.h>
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#define LP_INIT_SETTING_VERIFIED 1
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#define MT6315_DECL_CHIP(_mid, _saddr)\
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{ \
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.master_idx = _mid, \
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.slave_addr = _saddr, \
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.regmap = NULL, \
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}
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static struct mt6315_misc mt6315_misc[] = {
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#if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) \
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|| defined(CONFIG_MACH_MT6893)
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MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_6),
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MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_7),
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MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_3),
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#elif defined(CONFIG_MACH_MT6833) || defined(CONFIG_MACH_MT6853)
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MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_3),
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#elif defined(CONFIG_MACH_MT6877)
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MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_6),
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MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_3),
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#endif
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};
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static struct mt6315_misc *mt6315_find_chip_sid(u32 sid)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(mt6315_misc); i++) {
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if (mt6315_misc[i].slave_addr == sid)
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return &mt6315_misc[i];
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}
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return NULL;
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}
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static unsigned int g_vmodem_vosel;
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static unsigned int g_vnr_vosel;
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static unsigned int g_vsram_md_vosel;
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static void mt6315_S3_default_vosel(void)
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{
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struct mt6315_misc *mt6315;
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struct regmap *regmap;
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mt6315 = mt6315_find_chip_sid(MT6315_SLAVE_ID_3);
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if (!mt6315) {
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pr_info("%s MT6315S3 not ready.\n", __func__);
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return;
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}
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regmap = mt6315->regmap;
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if (!regmap) {
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pr_info("%s null regmap.\n", __func__);
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return;
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}
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if (g_vmodem_vosel != 0) {
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#if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) \
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|| defined(CONFIG_MACH_MT6893)
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regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK1_VOSEL_ADDR,
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g_vmodem_vosel);
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regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK3_VOSEL_ADDR,
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g_vnr_vosel);
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regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK4_VOSEL_ADDR,
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g_vsram_md_vosel);
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#elif defined(CONFIG_MACH_MT6833) || defined(CONFIG_MACH_MT6853) \
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|| defined(CONFIG_MACH_MT6877)
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regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK4_VOSEL_ADDR,
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g_vsram_md_vosel);
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regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK1_VOSEL_ADDR,
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g_vmodem_vosel);
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#endif
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pr_info("[%s] set vmodem=0x%x, vnr=0x%x, vsram_md=0x%x\n"
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, __func__, g_vmodem_vosel, g_vnr_vosel,
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g_vsram_md_vosel);
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} else {
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#if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) \
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|| defined(CONFIG_MACH_MT6893)
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regmap_read(regmap, MT6315_PMIC_DA_VBUCK1_VOSEL_ADDR,
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&g_vmodem_vosel);
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regmap_read(regmap, MT6315_PMIC_DA_VBUCK3_VOSEL_ADDR,
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&g_vnr_vosel);
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regmap_read(regmap, MT6315_PMIC_DA_VBUCK4_VOSEL_ADDR,
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&g_vsram_md_vosel);
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#elif defined(CONFIG_MACH_MT6833) || defined(CONFIG_MACH_MT6853) \
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|| defined(CONFIG_MACH_MT6877)
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regmap_read(regmap, MT6315_PMIC_DA_VBUCK1_VOSEL_ADDR,
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&g_vmodem_vosel);
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g_vnr_vosel = g_vmodem_vosel;
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regmap_read(regmap, MT6315_PMIC_DA_VBUCK4_VOSEL_ADDR,
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&g_vsram_md_vosel);
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#endif
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pr_info("[%s] record vmodem=0x%x, vnr=0x%x, vsram_md=0x%x\n"
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, __func__, g_vmodem_vosel, g_vnr_vosel,
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g_vsram_md_vosel);
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}
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}
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void mt6315_vmd1_pmic_setting_on(void)
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{
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/* Reset VMODEM/VNR/VSRAM_MD default voltage */
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mt6315_S3_default_vosel();
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}
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static int is_mt6315_S3_exist(void)
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{
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int ret = 0;
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struct regulator *reg;
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reg = regulator_get_optional(NULL, "3_vbuck1");
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if (IS_ERR(reg))
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return 0;
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if (regulator_is_enabled(reg))
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ret = 1;
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regulator_put(reg);
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return ret;
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}
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#if !(defined(CONFIG_MACH_MT6833) || defined(CONFIG_MACH_MT6853))
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static int is_mt6315_S6_exist(void)
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{
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int ret = 0;
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struct regulator *reg;
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reg = regulator_get_optional(NULL, "6_vbuck1");
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if (IS_ERR(reg))
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return 0;
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if (regulator_is_enabled(reg))
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ret = 1;
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regulator_put(reg);
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return ret;
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}
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#endif
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#if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) \
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|| defined(CONFIG_MACH_MT6893)
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static int is_mt6315_S7_exist(void)
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{
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int ret = 0;
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struct regulator *reg;
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reg = regulator_get_optional(NULL, "7_vbuck1");
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if (IS_ERR(reg))
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return 0;
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if (regulator_is_enabled(reg))
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ret = 1;
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regulator_put(reg);
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return ret;
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}
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#endif
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int is_mt6315_exist(void)
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{
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#if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) \
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|| defined(CONFIG_MACH_MT6893)
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pr_info("%s S3:%d S6:%d S7:%d\n", __func__, is_mt6315_S3_exist()
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, is_mt6315_S6_exist(), is_mt6315_S7_exist());
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if (is_mt6315_S3_exist() && is_mt6315_S6_exist() &&
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is_mt6315_S7_exist())
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return 1;
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#elif defined(CONFIG_MACH_MT6833) || defined(CONFIG_MACH_MT6853)
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pr_info("%s S3:%d\n", __func__, is_mt6315_S3_exist());
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return is_mt6315_S3_exist();
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#elif defined(CONFIG_MACH_MT6877)
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pr_info("%s S3:%d S6:%d\n", __func__, is_mt6315_S3_exist()
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, is_mt6315_S6_exist());
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if (is_mt6315_S3_exist() && is_mt6315_S6_exist())
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return 1;
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#endif
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return 0;
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}
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#if LP_INIT_SETTING_VERIFIED
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static void mt6315_vbuck1_lp_setting(struct regmap *regmap,
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enum MT6315_BUCK_EN_USER user, unsigned char mode,
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unsigned char en, unsigned char cfg)
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{
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if (user == MT6315_SRCLKEN0) {
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_MODE_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_MODE_SHIFT,
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mode << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_MODE_SHIFT);
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_EN_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_EN_SHIFT,
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en << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_EN_SHIFT);
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_CFG_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_CFG_SHIFT,
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cfg << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_CFG_SHIFT);
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} else {
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pr_info("%s non support user control(%d).\n", __func__, user);
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}
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}
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static void mt6315_vbuck2_lp_setting(struct regmap *regmap,
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enum MT6315_BUCK_EN_USER user, unsigned char mode,
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unsigned char en, unsigned char cfg)
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{
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if (user == MT6315_SRCLKEN0) {
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_MODE_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_MODE_SHIFT,
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mode << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_MODE_SHIFT);
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_EN_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_EN_SHIFT,
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en << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_EN_SHIFT);
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_CFG_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_CFG_SHIFT,
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cfg << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_CFG_SHIFT);
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} else {
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pr_info("%s non support user control(%d).\n", __func__, user);
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}
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}
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static void mt6315_vbuck3_lp_setting(struct regmap *regmap,
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enum MT6315_BUCK_EN_USER user, unsigned char mode,
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unsigned char en, unsigned char cfg)
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{
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if (user == MT6315_SRCLKEN0) {
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_MODE_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_MODE_SHIFT,
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mode << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_MODE_SHIFT);
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_EN_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_EN_SHIFT,
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en << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_EN_SHIFT);
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_CFG_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_CFG_SHIFT,
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cfg << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_CFG_SHIFT);
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} else {
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pr_info("%s non support user control(%d).\n", __func__, user);
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}
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}
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static void mt6315_vbuck4_lp_setting(struct regmap *regmap,
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enum MT6315_BUCK_EN_USER user, unsigned char mode,
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unsigned char en, unsigned char cfg)
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{
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if (user == MT6315_SRCLKEN0) {
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_MODE_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_MODE_SHIFT,
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mode << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_MODE_SHIFT);
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_EN_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_EN_SHIFT,
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en << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_EN_SHIFT);
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regmap_update_bits(regmap,
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MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_CFG_ADDR,
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0x1 << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_CFG_SHIFT,
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cfg << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_CFG_SHIFT);
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} else {
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pr_info("%s non support user control(%d).\n", __func__, user);
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}
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}
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static void mt6315_lp_set(unsigned char slave_id, unsigned char buck_id,
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enum MT6315_BUCK_EN_USER user, unsigned char op_mode,
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unsigned char op_en, unsigned char op_cfg)
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{
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struct mt6315_misc *mt6315;
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struct regmap *regmap;
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mt6315 = mt6315_find_chip_sid(slave_id);
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if (!mt6315) {
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pr_info("%s MT6315S%d not ready\n", __func__, slave_id);
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return;
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}
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regmap = mt6315->regmap;
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if (!regmap) {
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pr_info("%s null regmap.\n", __func__);
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return;
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}
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if (buck_id == 1)
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mt6315_vbuck1_lp_setting(regmap, user, op_mode, op_en, op_cfg);
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else if (buck_id == 2)
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mt6315_vbuck2_lp_setting(regmap, user, op_mode, op_en, op_cfg);
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else if (buck_id == 3)
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mt6315_vbuck3_lp_setting(regmap, user, op_mode, op_en, op_cfg);
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else if (buck_id == 4)
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mt6315_vbuck4_lp_setting(regmap, user, op_mode, op_en, op_cfg);
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else
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pr_info("%s invalid buck_id=%d.\n", __func__, buck_id);
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}
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/* enable VDIG18 SRCLKEN low power mode */
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static void mt6315_vdig18_hw_op_set(unsigned char slave_id, unsigned char en)
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|
{
|
||
|
|
struct mt6315_misc *mt6315;
|
||
|
|
struct regmap *regmap;
|
||
|
|
|
||
|
|
mt6315 = mt6315_find_chip_sid(slave_id);
|
||
|
|
if (!mt6315) {
|
||
|
|
pr_info("%s MT6315S%d not ready\n", __func__, slave_id);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
regmap = mt6315->regmap;
|
||
|
|
if (!regmap) {
|
||
|
|
pr_info("%s null regmap.\n", __func__);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
regmap_write(regmap, MT6315_PMIC_DIG_WPK_KEY_H_ADDR, 0x63);
|
||
|
|
regmap_write(regmap, MT6315_PMIC_DIG_WPK_KEY_ADDR, 0x15);
|
||
|
|
regmap_update_bits(regmap,
|
||
|
|
MT6315_PMIC_RG_LDO_VDIG18_HW_OP_EN_ADDR,
|
||
|
|
0x1 << MT6315_PMIC_RG_LDO_VDIG18_HW_OP_EN_SHIFT,
|
||
|
|
en << MT6315_PMIC_RG_LDO_VDIG18_HW_OP_EN_SHIFT);
|
||
|
|
regmap_write(regmap, MT6315_PMIC_DIG_WPK_KEY_ADDR, 0x0);
|
||
|
|
regmap_write(regmap, MT6315_PMIC_DIG_WPK_KEY_H_ADDR, 0x0);
|
||
|
|
}
|
||
|
|
#endif /* End of LP_INIT_SETTING_VERIFIED */
|
||
|
|
|
||
|
|
static void mt6315_S3_lp_initial_setting(void)
|
||
|
|
{
|
||
|
|
#if LP_INIT_SETTING_VERIFIED
|
||
|
|
#if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) \
|
||
|
|
|| defined(CONFIG_MACH_MT6893)
|
||
|
|
mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_3, 1);
|
||
|
|
/* vmodem/vnr/vsram_md */
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_3, 1, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_3, 3, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_3, 4, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
#elif defined(CONFIG_MACH_MT6833) || defined(CONFIG_MACH_MT6853)
|
||
|
|
mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_3, 1);
|
||
|
|
/* vmodem/vpu/vsram_md */
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_3, 1, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_3, 3, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_3, 4, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
#elif defined(CONFIG_MACH_MT6877)
|
||
|
|
mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_3, 1);
|
||
|
|
/* vmodem/vsram_md */
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_3, 1, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_3, 4, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static void mt6315_S6_lp_initial_setting(void)
|
||
|
|
{
|
||
|
|
#if LP_INIT_SETTING_VERIFIED
|
||
|
|
#if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) \
|
||
|
|
|| defined(CONFIG_MACH_MT6893)
|
||
|
|
mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_6, 1);
|
||
|
|
#elif defined(CONFIG_MACH_MT6877)
|
||
|
|
mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_6, 1);
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_6, 4, MT6315_SRCLKEN0, 1, 1, HW_OFF);
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static void mt6315_S7_lp_initial_setting(void)
|
||
|
|
{
|
||
|
|
#if LP_INIT_SETTING_VERIFIED
|
||
|
|
#if defined(CONFIG_MACH_MT6893)
|
||
|
|
mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_7, 1);
|
||
|
|
/* vsram_core */
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_7, 4, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
#elif defined(CONFIG_MACH_MT6885)
|
||
|
|
mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_7, 1);
|
||
|
|
/* vsram_core */
|
||
|
|
mt6315_lp_set(MT6315_SLAVE_ID_7, 3, MT6315_SRCLKEN0, 1, 1, HW_LP);
|
||
|
|
#elif defined(CONFIG_MACH_MT6873)
|
||
|
|
mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_7, 1);
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static void mt6315_misc_initial_setting(u32 sid)
|
||
|
|
{
|
||
|
|
switch (sid) {
|
||
|
|
case MT6315_SLAVE_ID_3:
|
||
|
|
mt6315_S3_lp_initial_setting();
|
||
|
|
mt6315_S3_default_vosel();
|
||
|
|
break;
|
||
|
|
|
||
|
|
case MT6315_SLAVE_ID_6:
|
||
|
|
mt6315_S6_lp_initial_setting();
|
||
|
|
break;
|
||
|
|
|
||
|
|
case MT6315_SLAVE_ID_7:
|
||
|
|
mt6315_S7_lp_initial_setting();
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
pr_info("unsupported chip sid: %d\n", sid);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void mt6315_misc_init(u32 sid, struct regmap *regmap)
|
||
|
|
{
|
||
|
|
struct mt6315_misc *mt6315;
|
||
|
|
|
||
|
|
mt6315 = mt6315_find_chip_sid(sid);
|
||
|
|
if (mt6315)
|
||
|
|
mt6315->regmap = regmap;
|
||
|
|
|
||
|
|
mt6315_misc_initial_setting(sid);
|
||
|
|
|
||
|
|
pr_info("%s sid=%d done\n", __func__, sid);
|
||
|
|
}
|