diff options
79 files changed, 4092 insertions, 1574 deletions
diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt new file mode 100644 index 000000000000..7f95ec400863 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt @@ -0,0 +1,32 @@ +Amlogic SD / eMMC controller for S905/GXBB family SoCs + +The MMC 5.1 compliant host controller on Amlogic provides the +interface for SD, eMMC and SDIO devices. + +This file documents the properties in addition to those available in +the MMC core bindings, documented by mmc.txt. + +Required properties: +- compatible : contains one of: + - "amlogic,meson-gx-mmc" + - "amlogic,meson-gxbb-mmc" + - "amlogic,meson-gxl-mmc" + - "amlogic,meson-gxm-mmc" +- clocks : A list of phandle + clock-specifier pairs for the clocks listed in clock-names. +- clock-names: Should contain the following: + "core" - Main peripheral bus clock + "clkin0" - Parent clock of internal mux + "clkin1" - Other parent clock of internal mux + The driver has an interal mux clock which switches between clkin0 and clkin1 depending on the + clock rate requested by the MMC core. + +Example: + + sd_emmc_a: mmc@70000 { + compatible = "amlogic,meson-gxbb-mmc"; + reg = <0x0 0x70000 0x0 0x2000>; + interrupts = < GIC_SPI 216 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc CLKID_SD_EMMC_A>, <&xtal>, <&clkc CLKID_FCLK_DIV2>; + clock-names = "core", "clkin0", "clkin1"; + pinctrl-0 = <&emmc_pins>; + }; diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt index be56d2bd474a..954561d09a8e 100644 --- a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt +++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt @@ -7,6 +7,15 @@ Required properties: - compatible : Should be one of the following "brcm,bcm2835-sdhci" "brcm,sdhci-iproc-cygnus" + "brcm,sdhci-iproc" + +Use brcm2835-sdhci for Rasperry PI. + +Use sdhci-iproc-cygnus for Broadcom SDHCI Controllers +restricted to 32bit host accesses to SDHCI registers. + +Use sdhci-iproc for Broadcom SDHCI Controllers that allow standard +8, 16, 32-bit host access to SDHCI register. - clocks : The clock feeding the SDHCI controller. diff --git a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt index ff611fa66871..e4ba92aa035e 100644 --- a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt +++ b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt @@ -8,11 +8,14 @@ Required properties: - compatible: should be "renesas,mmcif-<soctype>", "renesas,sh-mmcif" as a fallback. Examples with <soctype> are: + - "renesas,mmcif-r8a73a4" for the MMCIF found in r8a73a4 SoCs - "renesas,mmcif-r8a7740" for the MMCIF found in r8a7740 SoCs + - "renesas,mmcif-r8a7778" for the MMCIF found in r8a7778 SoCs - "renesas,mmcif-r8a7790" for the MMCIF found in r8a7790 SoCs - "renesas,mmcif-r8a7791" for the MMCIF found in r8a7791 SoCs - "renesas,mmcif-r8a7793" for the MMCIF found in r8a7793 SoCs - "renesas,mmcif-r8a7794" for the MMCIF found in r8a7794 SoCs + - "renesas,mmcif-sh73a0" for the MMCIF found in sh73a0 SoCs - clocks: reference to the functional clock diff --git a/Documentation/devicetree/bindings/mmc/sdhci-cadence.txt b/Documentation/devicetree/bindings/mmc/sdhci-cadence.txt new file mode 100644 index 000000000000..750374fc9d94 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-cadence.txt @@ -0,0 +1,30 @@ +* Cadence SD/SDIO/eMMC Host Controller + +Required properties: +- compatible: should be "cdns,sd4hc". +- reg: offset and length of the register set for the device. +- interrupts: a single interrupt specifier. +- clocks: phandle to the input clock. + +Optional properties: +For eMMC configuration, supported speed modes are not indicated by the SDHCI +Capabilities Register. Instead, the following properties should be specified +if supported. See mmc.txt for details. +- mmc-ddr-1_8v +- mmc-ddr-1_2v +- mmc-hs200-1_8v +- mmc-hs200-1_2v +- mmc-hs400-1_8v +- mmc-hs400-1_2v + +Example: + emmc: sdhci@5a000000 { + compatible = "cdns,sd4hc"; + reg = <0x5a000000 0x400>; + interrupts = <0 78 4>; + clocks = <&clk 4>; + bus-width = <8>; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + }; diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt index 485483a63d8c..0576264eab5e 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt @@ -17,6 +17,7 @@ Required properties: "iface" - Main peripheral bus clock (PCLK/HCLK - AHB Bus clock) (required) "core" - SDC MMC clock (MCLK) (required) "bus" - SDCC bus voter clock (optional) + "xo" - TCXO clock (optional) Example: diff --git a/Documentation/devicetree/bindings/mmc/sdhci.txt b/Documentation/devicetree/bindings/mmc/sdhci.txt new file mode 100644 index 000000000000..1c95a1a555c3 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci.txt @@ -0,0 +1,13 @@ +The properties specific for SD host controllers. For properties shared by MMC +host controllers refer to the mmc[1] bindings. + + [1] Documentation/devicetree/bindings/mmc/mmc.txt + +Optional properties: +- sdhci-caps-mask: The sdhci capabilities register is incorrect. This 64bit + property corresponds to the bits in the sdhci capabilty register. If the bit + is on in the mask then the bit is incorrect in the register and should be + turned off, before applying sdhci-caps. +- sdhci-caps: The sdhci capabilities register is incorrect. This 64bit + property corresponds to the bits in the sdhci capability register. If the + bit is on in the property then the bit should be turned on. diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index bfa461aaac99..7fd17c3da116 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt @@ -59,8 +59,9 @@ Optional properties: is specified and the ciu clock is specified then we'll try to set the ciu clock to this at probe time. -* clock-freq-min-max: Minimum and Maximum clock frequency for card output +* clock-freq-min-max (DEPRECATED): Minimum and Maximum clock frequency for card output clock(cclk_out). If it's not specified, max is 200MHZ and min is 400KHz by default. + (Use the "max-frequency" instead of "clock-freq-min-max".) * num-slots: specifies the number of slots supported by the controller. The number of physical slots actually used could be equal or less than the @@ -74,11 +75,6 @@ Optional properties: * card-detect-delay: Delay in milli-seconds before detecting card after card insert event. The default value is 0. -* supports-highspeed (DEPRECATED): Enables support for high speed cards (up to 50MHz) - (use "cap-mmc-highspeed" or "cap-sd-highspeed" instead) - -* broken-cd: as documented in mmc core bindings. - * vmmc-supply: The phandle to the regulator to use for vmmc. If this is specified we'll defer probe until we can find this regulator. diff --git a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt index 13df9c2399c3..a1650edfd2b7 100644 --- a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt +++ b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt @@ -11,8 +11,8 @@ optional bindings can be used. Required properties: - compatible: "renesas,sdhi-shmobile" - a generic sh-mobile SDHI unit - "renesas,sdhi-sh7372" - SDHI IP on SH7372 SoC "renesas,sdhi-sh73a0" - SDHI IP on SH73A0 SoC + "renesas,sdhi-r7s72100" - SDHI IP on R7S72100 SoC "renesas,sdhi-r8a73a4" - SDHI IP on R8A73A4 SoC "renesas,sdhi-r8a7740" - SDHI IP on R8A7740 SoC "renesas,sdhi-r8a7778" - SDHI IP on R8A7778 SoC diff --git a/Documentation/devicetree/bindings/powerpc/fsl/guts.txt b/Documentation/devicetree/bindings/soc/fsl/guts.txt index b71b2039e112..07adca914d3d 100644 --- a/Documentation/devicetree/bindings/powerpc/fsl/guts.txt +++ b/Documentation/devicetree/bindings/soc/fsl/guts.txt @@ -25,6 +25,9 @@ Recommended properties: - fsl,liodn-bits : Indicates the number of defined bits in the LIODN registers, for those SOCs that have a PAMU device. + - little-endian : Indicates that the global utilities block is little + endian. The default is big endian. + Examples: global-utilities@e0000 { /* global utilities block */ compatible = "fsl,mpc8548-guts"; diff --git a/MAINTAINERS b/MAINTAINERS index d04335080cdd..ef461e087275 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1052,6 +1052,7 @@ F: arch/arm/mach-meson/ F: arch/arm/boot/dts/meson* F: arch/arm64/boot/dts/amlogic/ F: drivers/pinctrl/meson/ +F: drivers/mmc/host/meson* N: meson ARM/Annapurna Labs ALPINE ARCHITECTURE @@ -5068,9 +5069,18 @@ S: Maintained F: drivers/net/ethernet/freescale/fman F: Documentation/devicetree/bindings/powerpc/fsl/fman.txt +FREESCALE SOC DRIVERS +M: Scott Wood <oss@buserror.net> +L: linuxppc-dev@lists.ozlabs.org +L: linux-arm-kernel@lists.infradead.org +S: Maintained +F: drivers/soc/fsl/ +F: include/linux/fsl/ + FREESCALE QUICC ENGINE LIBRARY +M: Qiang Zhao <qiang.zhao@nxp.com> L: linuxppc-dev@lists.ozlabs.org -S: Orphan +S: Maintained F: drivers/soc/fsl/qe/ F: include/soc/fsl/*qe*.h F: include/soc/fsl/*ucc*.h diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi index 7f0dc13b4087..d058e56db72d 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi @@ -216,6 +216,12 @@ clocks = <&sysclk>; }; + dcfg: dcfg@1e00000 { + compatible = "fsl,ls2080a-dcfg", "syscon"; + reg = <0x0 0x1e00000 0x0 0x10000>; + little-endian; + }; + serial0: serial@21c0500 { compatible = "fsl,ns16550", "ns16550a"; reg = <0x0 0x21c0500 0x0 0x100>; diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index d02e7c0f5bfd..2abea876c0a0 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -237,6 +237,7 @@ config GENERIC_CPU_AUTOPROBE config SOC_BUS bool + select GLOB source "drivers/base/regmap/Kconfig" diff --git a/drivers/base/soc.c b/drivers/base/soc.c index b63f23e6ad61..dc26e5949a32 100644 --- a/drivers/base/soc.c +++ b/drivers/base/soc.c @@ -13,6 +13,7 @@ #include <linux/spinlock.h> #include <linux/sys_soc.h> #include <linux/err.h> +#include <linux/glob.h> static DEFINE_IDA(soc_ida); @@ -113,6 +114,12 @@ struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr struct soc_device *soc_dev; int ret; + if (!soc_bus_type.p) { + ret = bus_register(&soc_bus_type); + if (ret) + goto out1; + } + soc_dev = kzalloc(sizeof(*soc_dev), GFP_KERNEL); if (!soc_dev) { ret = -ENOMEM; @@ -156,6 +163,78 @@ void soc_device_unregister(struct soc_device *soc_dev) static int __init soc_bus_register(void) { + if (soc_bus_type.p) + return 0; + return bus_register(&soc_bus_type); } core_initcall(soc_bus_register); + +static int soc_device_match_one(struct device *dev, void *arg) +{ + struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); + const struct soc_device_attribute *match = arg; + + if (match->machine && + (!soc_dev->attr->machine || + !glob_match(match->machine, soc_dev->attr->machine))) + return 0; + + if (match->family && + (!soc_dev->attr->family || + !glob_match(match->family, soc_dev->attr->family))) + return 0; + + if (match->revision && + (!soc_dev->attr->revision || + !glob_match(match->revision, soc_dev->attr->revision))) + return 0; + + if (match->soc_id && + (!soc_dev->attr->soc_id || + !glob_match(match->soc_id, soc_dev->attr->soc_id))) + return 0; + + return 1; +} + +/* + * soc_device_match - identify the SoC in the machine + * @matches: zero-terminated array of possible matches + * + * returns the first matching entry of the argument array, or NULL + * if none of them match. + * + * This function is meant as a helper in place of of_match_node() + * in cases where either no device tree is available or the information + * in a device node is insufficient to identify a particular variant + * by its compatible strings or other properties. For new devices, + * the DT binding should always provide unique compatible strings + * that allow the use of of_match_node() instead. + * + * The calling function can use the .data entry of the + * soc_device_attribute to pass a structure or function pointer for + * each entry. + */ +const struct soc_device_attribute *soc_device_match( + const struct soc_device_attribute *matches) +{ + int ret = 0; + + if (!matches) + return NULL; + + while (!ret) { + if (!(matches->machine || matches->family || + matches->revision || matches->soc_id)) + break; + ret = bus_for_each_dev(&soc_bus_type, NULL, (void *)matches, + soc_device_match_one); + if (!ret) + matches++; + else + return matches; + } + return NULL; +} +EXPORT_SYMBOL_GPL(soc_device_match); diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 709a872ed484..646d1a1fa6ca 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -66,9 +66,6 @@ MODULE_ALIAS("mmc:block"); #define mmc_req_rel_wr(req) ((req->cmd_flags & REQ_FUA) && \ (rq_data_dir(req) == WRITE)) -#define PACKED_CMD_VER 0x01 -#define PACKED_CMD_WR 0x02 - static DEFINE_MUTEX(block_mutex); /* @@ -102,7 +99,6 @@ struct mmc_blk_data { unsigned int flags; #define MMC_BLK_CMD23 (1 << 0) /* Can do SET_BLOCK_COUNT for multiblock */ #define MMC_BLK_REL_WR (1 << 1) /* MMC Reliable write support */ -#define MMC_BLK_PACKED_CMD (1 << 2) /* MMC packed command support */ unsigned int usage; unsigned int read_only; @@ -126,12 +122,6 @@ struct mmc_blk_data { static DEFINE_MUTEX(open_lock); -enum { - MMC_PACKED_NR_IDX = -1, - MMC_PACKED_NR_ZERO, - MMC_PACKED_NR_SINGLE, -}; - module_param(perdev_minors, int, 0444); MODULE_PARM_DESC(perdev_minors, "Minors numbers to allocate per device"); @@ -139,17 +129,6 @@ static inline int mmc_blk_part_switch(struct mmc_card *card, struct mmc_blk_data *md); static int get_card_status(struct mmc_card *card, u32 *status, int retries); -static inline void mmc_blk_clear_packed(struct mmc_queue_req *mqrq) -{ - struct mmc_packed *packed = mqrq->packed; - - mqrq->cmd_type = MMC_PACKED_NONE; - packed->nr_entries = MMC_PACKED_NR_ZERO; - packed->idx_failure = MMC_PACKED_NR_IDX; - packed->retries = 0; - packed->blocks = 0; -} - static struct mmc_blk_data *mmc_blk_get(struct gendisk *disk) { struct mmc_blk_data *md; @@ -854,7 +833,7 @@ static int get_card_status(struct mmc_card *card, u32 *status, int retries) } |