integrate samsung RN4V NFC driver

integrate samsung RN4V NFC driver
this driver support RN4V and SN4V

Change-Id: Ibea9dcded110f0d058fcbc84516912a1be9d1915
Signed-off-by: Yunxian He <heyx6@motorola.com>
Reviewed-on: https://gerrit.mot.com/2533690
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Yunxian He 2023-03-09 11:24:38 +08:00 • committed by Xiaojun Ji
commit bf8cede7f6
6 changed files with 1372 additions and 0 deletions

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@ -59,6 +59,7 @@ source "drivers/nfc/st-nci/Kconfig"
source "drivers/nfc/nxp-nci/Kconfig"
source "drivers/nfc/s3fwrn5/Kconfig"
source "drivers/nfc/st95hf/Kconfig"
source "drivers/nfc/samsung/Kconfig"
endmenu
config NFC_QTI_I2C

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@ -17,4 +17,5 @@ obj-$(CONFIG_NFC_ST_NCI) += st-nci/
obj-$(CONFIG_NFC_NXP_NCI) += nxp-nci/
obj-$(CONFIG_NFC_S3FWRN5) += s3fwrn5/
obj-$(CONFIG_NFC_ST95HF) += st95hf/
obj-$(CONFIG_SEC_NFC) += samsung/
obj-y += qti/

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@ -0,0 +1,67 @@
#
# Near Field Communication (NFC) devices
#
menu "Near Field Communication (NFC) devices"
depends on NFC
config SEC_NFC
tristate "Samsung NFC driver"
default m
help
SAMSUNG NFC Driver.
This driver provides support for SAMSUNG NFC products.
You should select your NFC product and interface.
Say Y here to compile support for SAMSUNG NFC driver into the
kernel.
choice
prompt "SEC NFC Products"
depends on SEC_NFC
default SEC_NFC_PRODUCT_N5
config SEC_NFC_PRODUCT_N3
bool "RN3"
config SEC_NFC_PRODUCT_N5
bool "RN5/RNx"
endchoice
choice
prompt "SEC NFC Interface"
depends on SEC_NFC
default SEC_NFC_IF_I2C
config SEC_NFC_IF_UART
bool "UART"
config SEC_NFC_IF_I2C
bool "I2C"
config SEC_NFC_IF_I2C_GPIO
bool "I2C-GPIO (S/W-I2C)"
select I2C_CHARDEV
select I2C_MUX
select I2C_MUX_GPIO
select I2C_ARB_GPIO_CHALLENGE
select I2C_ALGOBIT
select I2C_GPIO
endchoice
config SEC_NFC_GPIO_CLK
bool "SEC NFC GPIO CLK"
default n
help
SAMSUNG NFC CLR REQ feature.
This feature provides support for SAMSUNG NFC products.
You should select this feature if your NFC product uses AP CLK.
Say Y here to compile support for SAMSUNG NFC CLK REQ feature into the
kernel.
config SEC_NFC_DEDICATED_CLK
tristate "SEC NFC DEDICATED CLK"
default m
config SEC_NFC_LDO_EN
tristate "SEC NFC LDO"
default m
config SEC_NFC_PMIC_LDO
tristate "SEC NFC PMIC LDO"
default m
config SEC_ESE_COLDRESET
tristate "eSE Cold reset"
default m
endmenu

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@ -0,0 +1,7 @@
#
# Makefile for Samsung NRNx NFC driver
#
obj-$(CONFIG_SEC_NFC) += sec_nfc.o
ccflags-$(CONFIG_NFC_DEBUG) := -DDEBUG

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@ -0,0 +1,142 @@
/*
* SAMSUNG NFC Controller
*
* Copyright (C) 2013 Samsung Electronics Co.Ltd
* Author: Woonki Lee <woonki84.lee@samsung.com>
* Author: Heejae Kim <heejae12.kim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* Last update: 2016-01-14
*/
#include <linux/platform_device.h>
#ifdef CONFIG_SEC_NFC_GPIO_CLK
#include <linux/clk.h>
#endif
#ifdef CONFIG_SEC_NFC_PMIC_LDO
#include <linux/regulator/consumer.h>
#include <linux/err.h>
#endif
#ifdef CONFIG_SEC_NFC_I2C /* support old driver configuration */
#ifndef CONFIG_SEC_NFC
#define CONFIG_SEC_NFC
#endif
#if !defined(CONFIG_SEC_NFC_IF_I2C) && !defined(CONFIG_SEC_NFC_IF_UART)
#define CONFIG_SEC_NFC_IF_I2C
#endif
#if !defined(CONFIG_SEC_NFC_PRODUCT_N3) && !defined(CONFIG_SEC_NFC_PRODUCT_N5)
#define CONFIG_SEC_NFC_PRODUCT_N3
#endif
#endif /* CONFIG_SEC_NFC_I2C */
#define SEC_NFC_DRIVER_NAME "sec-nfc"
#define SEC_NFC_MAX_BUFFER_SIZE 512
/* ioctl */
#define SEC_NFC_MAGIC 'S'
#define SEC_NFC_GET_MODE _IOW(SEC_NFC_MAGIC, 0, unsigned int)
#define SEC_NFC_SET_MODE _IOW(SEC_NFC_MAGIC, 1, unsigned int)
#define SEC_NFC_SLEEP _IOW(SEC_NFC_MAGIC, 2, unsigned int)
#define SEC_NFC_WAKEUP _IOW(SEC_NFC_MAGIC, 3, unsigned int)
#ifdef CONFIG_SEC_ESE_COLDRESET
#define SEC_NFC_COLD_RESET _IOW(SEC_NFC_MAGIC, 5, unsigned int)
#define SEC_NFC_SHUTDOWN _IOW(SEC_NFC_MAGIC, 6, unsigned int)
#endif
/* size */
#define SEC_NFC_MSG_MAX_SIZE (256 + 4)
/* wait for device stable */
#ifdef CONFIG_SEC_NFC_MARGINTIME
#define SEC_NFC_VEN_WAIT_TIME (150)
#else
#define SEC_NFC_VEN_WAIT_TIME (20)
#endif
/* gpio pin configuration */
struct sec_nfc_platform_data {
int irq;
int ven;
int firm;
int wake;
int pvdd_en;
unsigned int tvdd;
unsigned int avdd;
#ifdef CONFIG_SEC_ESE_COLDRESET
unsigned int coldreset;
#endif
#ifdef CONFIG_SEC_NFC_GPIO_CLK
unsigned int clk_req;
struct clk *clk;
#endif
void (*cfg_gpio)(void);
u32 ven_gpio_flags;
u32 firm_gpio_flags;
u32 irq_gpio_flags;
const char *nfc_pvdd;
#ifdef CONFIG_SEC_NFC_PMIC_LDO
const char *pvdd_regulator_name;
struct regulator *pvdd_regulator;
#endif
#ifdef CONFIG_SEC_NFC_DEDICATED_CLK
phys_addr_t clkctrl_addr;
#endif
};
enum sec_nfc_mode {
SEC_NFC_MODE_OFF = 0,
SEC_NFC_MODE_FIRMWARE,
SEC_NFC_MODE_BOOTLOADER,
SEC_NFC_MODE_COUNT,
};
#ifdef CONFIG_SEC_NFC_PRODUCT_N3
enum sec_nfc_power {
SEC_NFC_PW_OFF = 0,
SEC_NFC_PW_ON,
};
#else /* CONFIG_SEC_NFC_PRODUCT_N3 */
enum sec_nfc_power {
SEC_NFC_PW_ON = 0,
SEC_NFC_PW_OFF,
};
#endif
enum sec_nfc_firmpin {
SEC_NFC_FW_OFF = 0,
SEC_NFC_FW_ON,
};
enum sec_nfc_wake {
SEC_NFC_WAKE_SLEEP = 0,
SEC_NFC_WAKE_UP,
};
#ifdef CONFIG_SEC_ESE_COLDRESET
enum sec_nfc_coldreset{
SEC_NFC_COLDRESET_OFF = 0,
SEC_NFC_COLDRESET_ON,
};
#define FIRMWARE_GUARD_TIME (4)
#define DEVICEHOST_ID (0x00)
#define ESE_ID (0x02)
#define IDX_SLEEP_WAKEUP_NFC 0
#define IDX_SLEEP_WAKEUP_ESE 1
#endif
bool is_charging_mode;
#define NFC_I2C_LDO_ON 1
#define NFC_I2C_LDO_OFF 0