diff options
Diffstat (limited to 'drivers')
40 files changed, 3637 insertions, 1234 deletions
diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig index c1eda67d1ad2..267b9000782e 100644 --- a/drivers/mtd/spi-nor/Kconfig +++ b/drivers/mtd/spi-nor/Kconfig @@ -52,14 +52,6 @@ config SPI_HISI_SFC help This enables support for HiSilicon FMC SPI-NOR flash controller. -config SPI_MTK_QUADSPI - tristate "MediaTek Quad SPI controller" - depends on HAS_IOMEM - help - This enables support for the Quad SPI controller in master mode. - This controller does not support generic SPI. It only supports - SPI NOR. - config SPI_NXP_SPIFI tristate "NXP SPI Flash Interface (SPIFI)" depends on OF && (ARCH_LPC18XX || COMPILE_TEST) diff --git a/drivers/mtd/spi-nor/Makefile b/drivers/mtd/spi-nor/Makefile index 9c5ed03cdc19..738dfd74cf76 100644 --- a/drivers/mtd/spi-nor/Makefile +++ b/drivers/mtd/spi-nor/Makefile @@ -3,7 +3,6 @@ obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o obj-$(CONFIG_SPI_ASPEED_SMC) += aspeed-smc.o obj-$(CONFIG_SPI_CADENCE_QUADSPI) += cadence-quadspi.o obj-$(CONFIG_SPI_HISI_SFC) += hisi-sfc.o -obj-$(CONFIG_SPI_MTK_QUADSPI) += mtk-quadspi.o obj-$(CONFIG_SPI_NXP_SPIFI) += nxp-spifi.o obj-$(CONFIG_SPI_INTEL_SPI) += intel-spi.o obj-$(CONFIG_SPI_INTEL_SPI_PCI) += intel-spi-pci.o diff --git a/drivers/mtd/spi-nor/mtk-quadspi.c b/drivers/mtd/spi-nor/mtk-quadspi.c deleted file mode 100644 index b1691680d174..000000000000 --- a/drivers/mtd/spi-nor/mtk-quadspi.c +++ /dev/null @@ -1,565 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (c) 2015 MediaTek Inc. - * Author: Bayi Cheng <bayi.cheng@mediatek.com> - */ - -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/iopoll.h> -#include <linux/ioport.h> -#include <linux/math64.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/spi-nor.h> - -#define MTK_NOR_CMD_REG 0x00 -#define MTK_NOR_CNT_REG 0x04 -#define MTK_NOR_RDSR_REG 0x08 -#define MTK_NOR_RDATA_REG 0x0c -#define MTK_NOR_RADR0_REG 0x10 -#define MTK_NOR_RADR1_REG 0x14 -#define MTK_NOR_RADR2_REG 0x18 -#define MTK_NOR_WDATA_REG 0x1c -#define MTK_NOR_PRGDATA0_REG 0x20 -#define MTK_NOR_PRGDATA1_REG 0x24 -#define MTK_NOR_PRGDATA2_REG 0x28 -#define MTK_NOR_PRGDATA3_REG 0x2c -#define MTK_NOR_PRGDATA4_REG 0x30 -#define MTK_NOR_PRGDATA5_REG 0x34 -#define MTK_NOR_SHREG0_REG 0x38 -#define MTK_NOR_SHREG1_REG 0x3c -#define MTK_NOR_SHREG2_REG 0x40 -#define MTK_NOR_SHREG3_REG 0x44 -#define MTK_NOR_SHREG4_REG 0x48 -#define MTK_NOR_SHREG5_REG 0x4c -#define MTK_NOR_SHREG6_REG 0x50 -#define MTK_NOR_SHREG7_REG 0x54 -#define MTK_NOR_SHREG8_REG 0x58 -#define MTK_NOR_SHREG9_REG 0x5c -#define MTK_NOR_CFG1_REG 0x60 -#define MTK_NOR_CFG2_REG 0x64 -#define MTK_NOR_CFG3_REG 0x68 -#define MTK_NOR_STATUS0_REG 0x70 -#define MTK_NOR_STATUS1_REG 0x74 -#define MTK_NOR_STATUS2_REG 0x78 -#define MTK_NOR_STATUS3_REG 0x7c -#define MTK_NOR_FLHCFG_REG 0x84 -#define MTK_NOR_TIME_REG 0x94 -#define MTK_NOR_PP_DATA_REG 0x98 -#define MTK_NOR_PREBUF_STUS_REG 0x9c -#define MTK_NOR_DELSEL0_REG 0xa0 -#define MTK_NOR_DELSEL1_REG 0xa4 -#define MTK_NOR_INTRSTUS_REG 0xa8 -#define MTK_NOR_INTREN_REG 0xac -#define MTK_NOR_CHKSUM_CTL_REG 0xb8 -#define MTK_NOR_CHKSUM_REG 0xbc -#define MTK_NOR_CMD2_REG 0xc0 -#define MTK_NOR_WRPROT_REG 0xc4 -#define MTK_NOR_RADR3_REG 0xc8 -#define MTK_NOR_DUAL_REG 0xcc -#define MTK_NOR_DELSEL2_REG 0xd0 -#define MTK_NOR_DELSEL3_REG 0xd4 -#define MTK_NOR_DELSEL4_REG 0xd8 - -/* commands for mtk nor controller */ -#define MTK_NOR_READ_CMD 0x0 -#define MTK_NOR_RDSR_CMD 0x2 -#define MTK_NOR_PRG_CMD 0x4 -#define MTK_NOR_WR_CMD 0x10 -#define MTK_NOR_PIO_WR_CMD 0x90 -#define MTK_NOR_WRSR_CMD 0x20 -#define MTK_NOR_PIO_READ_CMD 0x81 -#define MTK_NOR_WR_BUF_ENABLE 0x1 -#define MTK_NOR_WR_BUF_DISABLE 0x0 -#define MTK_NOR_ENABLE_SF_CMD 0x30 -#define MTK_NOR_DUAD_ADDR_EN 0x8 -#define MTK_NOR_QUAD_READ_EN 0x4 -#define MTK_NOR_DUAL_ADDR_EN 0x2 -#define MTK_NOR_DUAL_READ_EN 0x1 -#define MTK_NOR_DUAL_DISABLE 0x0 -#define MTK_NOR_FAST_READ 0x1 - -#define SFLASH_WRBUF_SIZE 128 - -/* Can shift up to 48 bits (6 bytes) of TX/RX */ -#define MTK_NOR_MAX_RX_TX_SHIFT 6 -/* can shift up to 56 bits (7 bytes) transfer by MTK_NOR_PRG_CMD */ -#define MTK_NOR_MAX_SHIFT 7 -/* nor controller 4-byte address mode enable bit */ -#define MTK_NOR_4B_ADDR_EN BIT(4) - -/* Helpers for accessing the program data / shift data registers */ -#define MTK_NOR_PRG_REG(n) (MTK_NOR_PRGDATA0_REG + 4 * (n)) -#define MTK_NOR_SHREG(n) (MTK_NOR_SHREG0_REG + 4 * (n)) - -struct mtk_nor { - struct spi_nor nor; - struct device *dev; - void __iomem *base; /* nor flash base address */ - struct clk *spi_clk; - struct clk *nor_clk; -}; - -static void mtk_nor_set_read_mode(struct mtk_nor *mtk_nor) -{ - struct spi_nor *nor = &mtk_nor->nor; - - switch (nor->read_proto) { - case SNOR_PROTO_1_1_1: - writeb(nor->read_opcode, mtk_nor->base + - MTK_NOR_PRGDATA3_REG); - writeb(MTK_NOR_FAST_READ, mtk_nor->base + - MTK_NOR_CFG1_REG); - break; - case SNOR_PROTO_1_1_2: - writeb(nor->read_opcode, mtk_nor->base + - MTK_NOR_PRGDATA3_REG); - writeb(MTK_NOR_DUAL_READ_EN, mtk_nor->base + - MTK_NOR_DUAL_REG); - break; - case SNOR_PROTO_1_1_4: - writeb(nor->read_opcode, mtk_nor->base + - MTK_NOR_PRGDATA4_REG); - writeb(MTK_NOR_QUAD_READ_EN, mtk_nor->base + - MTK_NOR_DUAL_REG); - break; - default: - writeb(MTK_NOR_DUAL_DISABLE, mtk_nor->base + - MTK_NOR_DUAL_REG); - break; - } -} - -static int mtk_nor_execute_cmd(struct mtk_nor *mtk_nor, u8 cmdval) -{ - int reg; - u8 val = cmdval & 0x1f; - - writeb(cmdval, mtk_nor->base + MTK_NOR_CMD_REG); - return readl_poll_timeout(mtk_nor->base + MTK_NOR_CMD_REG, reg, - !(reg & val), 100, 10000); -} - -static int mtk_nor_do_tx_rx(struct mtk_nor *mtk_nor, u8 op, - const u8 *tx, size_t txlen, u8 *rx, size_t rxlen) -{ - size_t len = 1 + txlen + rxlen; - int i, ret, idx; - - if (len > MTK_NOR_MAX_SHIFT) - return -EINVAL; - - writeb(len * 8, mtk_nor->base + MTK_NOR_CNT_REG); - - /* start at PRGDATA5, go down to PRGDATA0 */ - idx = MTK_NOR_MAX_RX_TX_SHIFT - 1; - - /* opcode */ - writeb(op, mtk_nor->base + MTK_NOR_PRG_REG(idx)); - idx--; - - /* program TX data */ - for (i = 0; i < txlen; i++, idx--) - writeb(tx[i], mtk_nor->base + MTK_NOR_PRG_REG(idx)); - - /* clear out rest of TX registers */ - while (idx >= 0) { - writeb(0, mtk_nor->base + MTK_NOR_PRG_REG(idx)); - idx--; - } - - ret = mtk_nor_execute_cmd(mtk_nor, MTK_NOR_PRG_CMD); - if (ret) - return ret; - - /* restart at first RX byte */ - idx = rxlen - 1; - - /* read out RX data */ - for (i = 0; i < rxlen; i++, idx--) - rx[i] = readb(mtk_nor->base + MTK_NOR_SHREG(idx)); - - return 0; -} - -/* Do a WRSR (Write Status Register) command */ -static int mtk_nor_wr_sr(struct mtk_nor *mtk_nor, const u8 sr) -{ - writeb(sr, mtk_nor->base + MTK_NOR_PRGDATA5_REG); - writeb(8, mtk_nor->base + MTK_NOR_CNT_REG); - return mtk_nor_execute_cmd(mtk_nor, MTK_NOR_WRSR_CMD); -} - -static int mtk_nor_write_buffer_enable(struct mtk_nor *mtk_nor) -{ - u8 reg; - - /* the bit0 of MTK_NOR_CFG2_REG is pre-fetch buffer - * 0: pre-fetch buffer use for read - * 1: pre-fetch buffer use for page program - */ - writel(MTK_NOR_WR_BUF_ENABLE, mtk_nor->base + MTK_NOR_CFG2_REG); - return readb_poll_timeout(mtk_nor->base + MTK_NOR_CFG2_REG, reg, - 0x01 == (reg & 0x01), 100, 10000); -} - -static int mtk_nor_write_buffer_disable(struct mtk_nor *mtk_nor) -{ - u8 reg; - - writel(MTK_NOR_WR_BUF_DISABLE, mtk_nor->base + MTK_NOR_CFG2_REG); - return readb_poll_timeout(mtk_nor->base + MTK_NOR_CFG2_REG, reg, - MTK_NOR_WR_BUF_DISABLE == (reg & 0x1), 100, - 10000); -} - -static void mtk_nor_set_addr_width(struct mtk_nor *mtk_nor) -{ - u8 val; - struct spi_nor *nor = &mtk_nor->nor; - - val = readb(mtk_nor->base + MTK_NOR_DUAL_REG); - - switch (nor->addr_width) { - case 3: - val &= ~MTK_NOR_4B_ADDR_EN; - break; - case 4: - val |= MTK_NOR_4B_ADDR_EN; - break; - default: - dev_warn(mtk_nor->dev, "Unexpected address width %u.\n", - nor->addr_width); - break; - } - - writeb(val, mtk_nor->base + MTK_NOR_DUAL_REG); -} - -static void mtk_nor_set_addr(struct mtk_nor *mtk_nor, u32 addr) -{ - int i; - - mtk_nor_set_addr_width(mtk_nor); - - for (i = 0; i < 3; i++) { - writeb(addr & 0xff, mtk_nor->base + MTK_NOR_RADR0_REG + i * 4); - addr >>= 8; - } - /* Last register is non-contiguous */ - writeb(addr & 0xff, mtk_nor->base + MTK_NOR_RADR3_REG); -} - -static ssize_t mtk_nor_read(struct spi_nor *nor, loff_t from, size_t length, - u_char *buffer) -{ - int i, ret; - int addr = (int)from; - u8 *buf = (u8 *)buffer; - struct mtk_nor *mtk_nor = nor->priv; - - /* set mode for fast read mode ,dual mode or quad mode */ - mtk_nor_set_read_mode(mtk_nor); - mtk_nor_set_addr(mtk_nor, addr); - - for (i = 0; i < length; i++) { - ret = mtk_nor_execute_cmd(mtk_nor, MTK_NOR_PIO_READ_CMD); - if (ret < 0) - return ret; - buf[i] = readb(mtk_nor->base + MTK_NOR_RDATA_REG); - } - return length; -} - -static int mtk_nor_write_single_byte(struct mtk_nor *mtk_nor, - int addr, int length, u8 *data) -{ - int i, ret; - - mtk_nor_set_addr(mtk_nor, addr); - - for (i = 0; i < length; i++) { - writeb(*data++, mtk_nor->base + MTK_NOR_WDATA_REG); - ret = mtk_nor_execute_cmd(mtk_nor, MTK_NOR_PIO_WR_CMD); - if (ret < 0) - return ret; - } - return 0; -} - -static int mtk_nor_write_buffer(struct mtk_nor *mtk_nor, int addr, - const u8 *buf) -{ - int i, bufidx, data; - - mtk_nor_set_addr(mtk_nor, addr); - - bufidx = 0; - for (i = 0; i < SFLASH_WRBUF_SIZE; i += 4) { - data = buf[bufidx + 3]<<24 | buf[bufidx + 2]<<16 | - buf[bufidx + 1]<<8 | buf[bufidx]; - bufidx += 4; - writel(data, mtk_nor->base + MTK_NOR_PP_DATA_REG); - } - return mtk_nor_execute_cmd(mtk_nor, MTK_NOR_WR_CMD); -} - -static ssize_t mtk_nor_write(struct spi_nor *nor, loff_t to, size_t len, - const u_char *buf) -{ - int ret; - struct mtk_nor *mtk_nor = nor->priv; - size_t i; - - ret = mtk_nor_write_buffer_enable(mtk_nor); - if (ret < 0) { - dev_warn(mtk_nor->dev, "write buffer enable failed!\n"); - return ret; - } - - for (i = 0; i + SFLASH_WRBUF_SIZE <= len; i += SFLASH_WRBUF_SIZE) { - ret = mtk_nor_write_buffer(mtk_nor, to, buf); - if (ret < 0) { - dev_err(mtk_nor->dev, "write buffer failed!\n"); - return ret; - } - to += SFLASH_WRBUF_SIZE; - buf += SFLASH_WRBUF_SIZE; - } - ret = mtk_nor_write_buffer_disable(mtk_nor); - if (ret < 0) { - dev_warn(mtk_nor->dev, "write buffer disable failed!\n"); - return ret; - } - - if (i < len) { - ret = mtk_nor_write_single_byte(mtk_nor, to, - (int)(len - i), (u8 *)buf); - if (ret < 0) { - dev_err(mtk_nor->dev, "write single byte failed!\n"); - return ret; - } - } - - return len; -} - -static int mtk_nor_read_reg(struct spi_nor *nor, u8 opcode, u8 *buf, size_t len) -{ - int ret; - struct mtk_nor *mtk_nor = nor->priv; - - switch (opcode) { - case SPINOR_OP_RDSR: - ret = mtk_nor_execute_cmd(mtk_nor, MTK_NOR_RDSR_CMD); - if (ret < 0) - return ret; - if (len == 1) - *buf = readb(mtk_nor->base + MTK_NOR_RDSR_REG); - else - dev_err(mtk_nor->dev, "len should be 1 for read status!\n"); - break; - default: - ret = mtk_nor_do_tx_rx(mtk_nor, opcode, NULL, 0, buf, len); - break; - } - return ret; -} - -static int mtk_nor_write_reg(struct spi_nor *nor, u8 opcode, const u8 *buf, - size_t len) -{ - int ret; - struct mtk_nor *mtk_nor = nor->priv; - - switch (opcode) { - case SPINOR_OP_WRSR: - /* We only handle 1 byte */ - ret = mtk_nor_wr_sr(mtk_nor, *buf); - break; - default: - ret = mtk_nor_do_tx_rx(mtk_nor, opcode, buf, len, NULL, 0); - if (ret) - dev_warn(mtk_nor->dev, "write reg failure!\n"); - break; - } - return ret; -} - -static void mtk_nor_disable_clk(struct mtk_nor *mtk_nor) -{ - clk_disable_unprepare(mtk_nor->spi_clk); - clk_disable_unprepare(mtk_nor->nor_clk); -} - -static int mtk_nor_enable_clk(struct mtk_nor *mtk_nor) -{ - int ret; - - ret = clk_prepare_enable(mtk_nor->spi_clk); - if (ret) - return ret; - - ret = clk_prepare_enable(mtk_nor->nor_clk); - if (ret) { - clk_disable_unprepare(mtk_nor->spi_clk); - return ret; - } - - return 0; -} - -static const struct spi_nor_controller_ops mtk_controller_ops = { - .read_reg = mtk_nor_read_reg, - .write_reg = mtk_nor_write_reg, - .read = mtk_nor_read, - .write = mtk_nor_write, -}; - -static int mtk_nor_init(struct mtk_nor *mtk_nor, - struct device_node *flash_node) -{ - const struct spi_nor_hwcaps hwcaps = { - .mask = SNOR_HWCAPS_READ | - SNOR_HWCAPS_READ_FAST | - SNOR_HWCAPS_READ_1_1_2 | - SNOR_HWCAPS_PP, - }; - int ret; - struct spi_nor *nor; - - /* initialize controller to accept commands */ - writel(MTK_NOR_ENABLE_SF_CMD, mtk_nor->base + MTK_NOR_WRPROT_REG); - - nor = &mtk_nor->nor; - nor->dev = mtk_nor->dev; - nor->priv = mtk_nor; - spi_nor_set_flash_node(nor, flash_node); - nor->controller_ops = &mtk_controller_ops; - - nor->mtd.name = "mtk_nor"; - /* initialized with NULL */ - ret = spi_nor_scan(nor, NULL, &hwcaps); - if (ret) - return ret; - - return mtd_device_register(&nor->mtd, NULL, 0); -} - -static int mtk_nor_drv_probe(struct platform_device *pdev) -{ - struct device_node *flash_np; - struct resource *res; - int ret; - struct mtk_nor *mtk_nor; - - if (!pdev->dev.of_node) { - dev_err(&pdev->dev, "No DT found\n"); - return -EINVAL; - } - - mtk_nor = devm_kzalloc(&pdev->dev, sizeof(*mtk_nor), GFP_KERNEL); - if (!mtk_nor) - return -ENOMEM; - platform_set_drvdata(pdev, mtk_nor); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mtk_nor->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mtk_nor->base)) - return PTR_ERR(mtk_nor->base); - - mtk_nor->spi_clk = devm_clk_get(&pdev->dev, "spi"); - if (IS_ERR(mtk_nor->spi_clk)) - return PTR_ERR(mtk_nor->spi_clk); - - mtk_nor->nor_clk = devm_clk_get(&pdev->dev, "sf"); - if (IS_ERR(mtk_nor->nor_clk)) - return PTR_ERR(mtk_nor->nor_clk); - - mtk_nor->dev = &pdev->dev; - - ret = mtk_nor_enable_clk(mtk_nor); - if (ret) - return ret; - - /* only support one attached flash */ - flash_np = of_get_next_available_child(pdev->dev.of_node, NULL); - if (!flash_np) { - dev_err(&pdev->dev, "no SPI flash device to configure\n"); - ret = -ENODEV; - goto nor_free; - } - ret = mtk_nor_init(mtk_nor, flash_np); - -nor_free: - if (ret) - mtk_nor_disable_clk(mtk_nor); - - return ret; -} - -static int mtk_nor_drv_remove(struct platform_device *pdev) -{ - struct mtk_nor *mtk_nor = platform_get_drvdata(pdev); - - mtk_nor_disable_clk(mtk_nor); - - return 0; -} - -#ifdef CONFIG_PM_SLEEP -static int mtk_nor_suspend(struct device *dev) -{ - struct mtk_nor *mtk_nor = dev_get_drvdata(dev); - - mtk_nor_disable_clk(mtk_nor); - - return 0; -} - -static int mtk_nor_resume(struct device *dev) -{ - struct mtk_nor *mtk_nor = dev_get_drvdata(dev); - - return mtk_nor_enable_clk(mtk_nor); -} - -static const struct dev_pm_ops mtk_nor_dev_pm_ops = { - .suspend = mtk_nor_suspend, - .resume = mtk_nor_resume, -}; - -#define MTK_NOR_DEV_PM_OPS (&mtk_nor_dev_pm_ops) -#else -#define MTK_NOR_DEV_PM_OPS NULL -#endif - -static const struct of_device_id mtk_nor_of_ids[] = { - { .compatible = "mediatek,mt8173-nor"}, - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(of, mtk_nor_of_ids); - -static struct platform_driver mtk_nor_driver = { - .probe = mtk_nor_drv_probe, - .remove = mtk_nor_drv_remove, - .driver = { - .name = "mtk-nor", - .pm = MTK_NOR_DEV_PM_OPS, - .of_match_table = mtk_nor_of_ids, - }, -}; - -module_platform_driver(mtk_nor_driver); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("MediaTek SPI NOR Flash Driver"); diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 074a2ef55943..f4b72cb098ef 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -107,6 +107,7 @@ config REGULATOR_AD5398 config REGULATOR_ANATOP tristate "Freescale i.MX on-chip ANATOP LDO regulators" + depends on ARCH_MXC || COMPILE_TEST depends on MFD_SYSCON help Say y here to support Freescale i.MX on-chip ANATOP LDOs @@ -613,6 +614,16 @@ config REGULATOR_MCP16502 through the regulator interface. In addition it enables suspend-to-ram/standby transition. +config REGULATOR_MP5416 + tristate "Monolithic MP5416 PMIC" + depends on I2C && OF + select REGMAP_I2C + help + Say y here to support the MP5416 PMIC. This will enable supports + the software controllable 4 buck and 4 LDO regulators. + Say M here if you want to include support for the regulator as a + module. + config REGULATOR_MP8859 tristate "MPS MP8859 regulator driver" depends on I2C @@ -624,6 +635,13 @@ config REGULATOR_MP8859 Say M here if you want to include support for the regulator as a module. The module will be named "mp8859". +config REGULATOR_MP886X + tristate "MPS MP8869 regulator driver" + depends on I2C && (OF || COMPILE_TEST) + select REGMAP_I2C + help + This driver supports the MP8869 voltage regulator. + config REGULATOR_MPQ7920 tristate "Monolithic MPQ7920 PMIC" depends on I2C && OF diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index c0d6b96ebd78..6610ee001d9a 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -78,7 +78,9 @@ obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o obj-$(CONFIG_REGULATOR_MCP16502) += mcp16502.o +obj-$(CONFIG_REGULATOR_MP5416) += mp5416.o obj-$(CONFIG_REGULATOR_MP8859) += mp8859.o +obj-$(CONFIG_REGULATOR_MP886X) += mp886x.o obj-$(CONFIG_REGULATOR_MPQ7920) += mpq7920.o obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 754739d004e5..ca92b3de0e9c 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -305,9 +305,13 @@ static int anatop_regulator_probe(struct platform_device *pdev) /* register regulator */ rdev = devm_regulator_register(dev, rdesc, &config); if (IS_ERR(rdev)) { - dev_err(dev, "failed to register %s\n", - rdesc->name); - return PTR_ERR(rdev); + ret = PTR_ERR(rdev); + if (ret == -EPROBE_DEFER) + dev_dbg(dev, "failed to register %s, deferring...\n", + rdesc->name); + else + dev_err(dev, "failed to register %s\n", rdesc->name); + return ret; } platform_set_drvdata(pdev, rdev); diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 16f0c8570036..1e6eb5b1f8d8 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -381,8 +381,7 @@ static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp) mask = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK | AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK; enable = (ramp > 0) ? - AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN : - !AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN; + AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN : 0; break; } @@ -393,8 +392,7 @@ static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp) mask = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK | AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK; enable = (ramp > 0) ? - AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN : - !AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN; + AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN : 0; break; } diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 51b6a2dea717..c340505150b6 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1849,7 +1849,6 @@ struct regulator *_regulator_get(struct device *dev, const char *id, { struct regulator_dev *rdev; struct regulator *regulator; - const char *devname = dev ? dev_name(dev) : "deviceless"; struct device_link *link; int ret; @@ -1887,9 +1886,7 @@ struct regulator *_regulator_get(struct device *dev, const char *id, * enabled, even if it isn't hooked up, and just * provide a dummy. */ - dev_warn(dev, - "%s supply %s not found, using dummy regulator\n", - devname, id); + dev_warn(dev, "supply %s not found, using dummy regulator\n", id); rdev = dummy_regulator_rdev; get_device(&rdev->dev); break; diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c index d3ce0278bfbe..d8112f56e94e 100644 --- a/drivers/regulator/da9062-regulator.c +++ b/drivers/regulator/da9062-regulator.c @@ -73,7 +73,7 @@ struct da9062_regulators { int irq_ldo_lim; unsigned n_regulators; /* Array size to be defined during init. Keep at end. */ - struct da9062_regulator regulator[0]; + struct da9062_regulator regulator[]; }; /* Regulator operations */ diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index 2aceb3b7afc2..e1d6c8f6d40b 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -66,7 +66,7 @@ struct da9063_regulator_data { }; struct da9063_regulators_pdata { - unsigned n_regulators; + unsigned int n_regulators; struct da9063_regulator_data *regulator_data; }; @@ -100,6 +100,7 @@ struct da9063_regulator_info { .desc.vsel_mask = DA9063_V##regl_name##_MASK, \ .desc.linear_min_sel = DA9063_V##regl_name##_BIAS, \ .sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_LDO_SL), \ + .suspend = BFIELD(DA9063_REG_##regl_name##_CONT, DA9063_LDO_CONF), \ .suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_LDO_SL), \ .suspend_vsel_reg = DA9063_REG_V##regl_name##_B @@ -124,6 +125,7 @@ struct da9063_regulator_info { .desc.vsel_mask = DA9063_VBUCK_MASK, \ .desc.linear_min_sel = DA9063_VBUCK_BIAS, \ .sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_BUCK_SL), \ + .suspend = BFIELD(DA9063_REG_##regl_name##_CONT, DA9063_BUCK_CONF), \ .suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_BUCK_SL), \ .suspend_vsel_reg = DA9063_REG_V##regl_name##_B, \ .mode = BFIELD(DA9063_REG_##regl_name##_CFG, DA9063_BUCK_MODE_MASK) @@ -131,7 +133,7 @@ struct da9063_regulator_info { /* Defines asignment of regulators info table to chip model */ struct da9063_dev_model { const struct da9063_regulator_info *regulator_info; - unsigned n_regulators; + unsigned int n_regulators; enum da9063_type type; }; @@ -150,9 +152,9 @@ struct da9063_regulator { /* Encapsulates all information for the regulators driver */ struct da9063_regulators { - unsigned n_regulators; + unsigned int n_regulators; /* Array size to be defined during init. Keep at end. */ - struct da9063_regulator regulator[0]; + struct da9063_regulator regulator[]; }; /* BUCK modes for DA9063 */ @@ -165,38 +167,46 @@ enum { /* Regulator operations */ -/* Current limits array (in uA) for BCORE1, BCORE2, BPRO. - Entry indexes corresponds to register values. */ +/* + * Current limits array (in uA) for BCORE1, BCORE2, BPRO. + * Entry indexes corresponds to register values. + */ static const unsigned int da9063_buck_a_limits[] = { 500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000, 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000 }; -/* Current limits array (in uA) for BMEM, BIO, BPERI. - Entry indexes corresponds to register values. */ +/* + * Current limits array (in uA) for BMEM, BIO, BPERI. + * Entry indexes corresponds to register values. + */ static const unsigned int da9063_buck_b_limits[] = { 1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000, 2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000 }; -/* Current limits array (in uA) for merged BCORE1 and BCORE2. - Entry indexes corresponds to register values. */ +/* + * Current limits array (in uA) for merged BCORE1 and BCORE2. + * Entry indexes corresponds to register values. + */ static const unsigned int da9063_bcores_merged_limits[] = { 1000000, 1200000, 1400000, 1600000, 1800000, 2000000, 2200000, 2400000, 2600000, 2800000, 3000000, 3200000, 3400000, 3600000, 3800000, 4000000 }; -/* C |