This patch provides chip-specific support for Crystal Cove. Crystal Cove is the PMIC in Baytrail-T platform.
Signed-off-by: Yang, Bin <bin.y...@intel.com> Signed-off-by: Zhu, Lejun <lejun....@linux.intel.com> --- v2: - Add regmap_config for Crystal Cove. v3: - Convert IRQ config to regmap_irq_chip. v4: - Cleanup include files. - Remove useless init() function. - Remove useless .label and .init from struct intel_soc_pmic_config. - Fix various coding style issues. --- drivers/mfd/intel_soc_pmic_crc.c | 160 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 drivers/mfd/intel_soc_pmic_crc.c diff --git a/drivers/mfd/intel_soc_pmic_crc.c b/drivers/mfd/intel_soc_pmic_crc.c new file mode 100644 index 0000000..43dbfcd --- /dev/null +++ b/drivers/mfd/intel_soc_pmic_crc.c @@ -0,0 +1,160 @@ +/* + * intel_soc_pmic_crc.c - Device access for Crystal Cove PMIC + * + * Copyright (C) 2013, 2014 Intel Corporation. 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 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. + * + * Author: Yang, Bin <bin.y...@intel.com> + * Author: Zhu, Lejun <lejun....@linux.intel.com> + */ + +#include <linux/mfd/core.h> +#include <linux/interrupt.h> +#include <linux/regmap.h> +#include <linux/mfd/intel_soc_pmic.h> +#include "intel_soc_pmic_core.h" + +#define CRYSTAL_COVE_MAX_REGISTER 0xC6 + +#define REG_IRQLVL1 0x02 +#define REG_MIRQLVL1 0x0E + +enum crystal_cove_irq { + PWRSRC_IRQ = 0, + THRM_IRQ, + BCU_IRQ, + ADC_IRQ, + CHGR_IRQ, + GPIO_IRQ, + VHDMIOCP_IRQ +}; + +static struct resource gpio_resources[] = { + { + .name = "GPIO", + .start = GPIO_IRQ, + .end = GPIO_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource pwrsrc_resources[] = { + { + .name = "PWRSRC", + .start = PWRSRC_IRQ, + .end = PWRSRC_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource adc_resources[] = { + { + .name = "ADC", + .start = ADC_IRQ, + .end = ADC_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource thermal_resources[] = { + { + .name = "THERMAL", + .start = THRM_IRQ, + .end = THRM_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource bcu_resources[] = { + { + .name = "BCU", + .start = BCU_IRQ, + .end = BCU_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mfd_cell crystal_cove_dev[] = { + { + .name = "crystal_cove_pwrsrc", + .num_resources = ARRAY_SIZE(pwrsrc_resources), + .resources = pwrsrc_resources, + }, + { + .name = "crystal_cove_adc", + .num_resources = ARRAY_SIZE(adc_resources), + .resources = adc_resources, + }, + { + .name = "crystal_cove_thermal", + .num_resources = ARRAY_SIZE(thermal_resources), + .resources = thermal_resources, + }, + { + .name = "crystal_cove_bcu", + .num_resources = ARRAY_SIZE(bcu_resources), + .resources = bcu_resources, + }, + { + .name = "crystal_cove_gpio", + .num_resources = ARRAY_SIZE(gpio_resources), + .resources = gpio_resources, + }, +}; + +static struct regmap_config crystal_cove_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = CRYSTAL_COVE_MAX_REGISTER, + .cache_type = REGCACHE_NONE, +}; + +static const struct regmap_irq crystal_cove_irqs[] = { + [PWRSRC_IRQ] = { + .mask = BIT(PWRSRC_IRQ), + }, + [THRM_IRQ] = { + .mask = BIT(THRM_IRQ), + }, + [BCU_IRQ] = { + .mask = BIT(BCU_IRQ), + }, + [ADC_IRQ] = { + .mask = BIT(ADC_IRQ), + }, + [CHGR_IRQ] = { + .mask = BIT(CHGR_IRQ), + }, + [GPIO_IRQ] = { + .mask = BIT(GPIO_IRQ), + }, + [VHDMIOCP_IRQ] = { + .mask = BIT(VHDMIOCP_IRQ), + }, +}; + +static struct regmap_irq_chip crystal_cove_irq_chip = { + .name = "Crystal Cove", + .irqs = crystal_cove_irqs, + .num_irqs = ARRAY_SIZE(crystal_cove_irqs), + .num_regs = 1, + .status_base = REG_IRQLVL1, + .mask_base = REG_MIRQLVL1, +}; + +struct intel_soc_pmic_config intel_soc_pmic_config_crc = { + .irq_flags = IRQF_TRIGGER_RISING, + .cell_dev = crystal_cove_dev, + .n_cell_devs = ARRAY_SIZE(crystal_cove_dev), + .regmap_config = &crystal_cove_regmap_config, + .irq_chip = &crystal_cove_irq_chip, +}; -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/