On 08/02/2017 05:17 AM, Chen Zhong wrote:
This patch add support to handle MediaTek PMIC MT6397/MT6323 key interrupts including pwrkey and homekey, also add setting for long press key shutdown behavior. Signed-off-by: Chen Zhong <[email protected]> --- drivers/input/keyboard/mtk-pmic-keys.c | 320 ++++++++++++++++++++++++++++++++ 1 file changed, 320 insertions(+) create mode 100644 drivers/input/keyboard/mtk-pmic-keys.c diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c new file mode 100644 index 0000000..0ea7d17 --- /dev/null +++ b/drivers/input/keyboard/mtk-pmic-keys.c @@ -0,0 +1,320 @@ +/* + * Copyright (C) 2017 MediaTek, Inc. + * + * Author: Chen Zhong <[email protected]> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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 <linux/ioctl.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/regmap.h> +#include <linux/mfd/mt6323/registers.h> +#include <linux/mfd/mt6397/registers.h> +#include <linux/mfd/mt6397/core.h> +#include <linux/slab.h> +#include <linux/irqdomain.h> + +#define PWRKEY_RST_EN_MASK 0x1 +#define PWRKEY_RST_EN_SHIFT 6 +#define HOMEKEY_RST_EN_MASK 0x1 +#define HOMEKEY_RST_EN_SHIFT 5 +#define RST_DU_MASK 0x3 +#define RST_DU_SHIFT 8 + +struct pmic_keys_regs { + u32 deb_reg; + u32 deb_mask; + u32 intsel_reg; + u32 intsel_mask; +}; + +#define PMIC_KEYS_REGS(_deb_reg, _deb_mask, _intsel_reg, _intsel_mask) \ +{ \ + .deb_reg = _deb_reg, \ + .deb_mask = _deb_mask, \ + .intsel_reg = _intsel_reg, \ + .intsel_mask = _intsel_mask, \ +} + +struct pmic_regs { + const struct pmic_keys_regs pwrkey_regs; + const struct pmic_keys_regs homekey_regs; + u32 pmic_rst_reg; +}; + +static const struct pmic_regs mt6397_regs = { + .pwrkey_regs = PMIC_KEYS_REGS(MT6397_CHRSTATUS, + 0x8, MT6397_INT_RSV, 0x10), + .homekey_regs = PMIC_KEYS_REGS(MT6397_OCSTATUS2, + 0x10, MT6397_INT_RSV, 0x8), + .pmic_rst_reg = MT6397_TOP_RST_MISC, +}; + +static const struct pmic_regs mt6323_regs = { + .pwrkey_regs = PMIC_KEYS_REGS(MT6323_CHRSTATUS, + 0x2, MT6323_INT_MISC_CON, 0x10), + .homekey_regs = PMIC_KEYS_REGS(MT6323_CHRSTATUS, + 0x4, MT6323_INT_MISC_CON, 0x8), + .pmic_rst_reg = MT6323_TOP_RST_MISC, +};
Where are this MTxxxx_CHRSTATUS defined? Regards, Matthias
