diff options
52 files changed, 2753 insertions, 960 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt index ad319f84f560..2e99b5b57350 100644 --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt @@ -46,10 +46,12 @@ PIT Timer required properties: shared across all System Controller members. System Timer (ST) required properties: -- compatible: Should be "atmel,at91rm9200-st" +- compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd" - reg: Should contain registers location and length - interrupts: Should contain interrupt for the ST which is the IRQ line shared across all System Controller members. +Its subnodes can be: +- watchdog: compatible should be "atmel,at91rm9200-wdt" TC/TCLIB Timer required properties: - compatible: Should be "atmel,<chip>-tcb". diff --git a/Documentation/devicetree/bindings/arm/cci.txt b/Documentation/devicetree/bindings/arm/cci.txt index f28d82bbbc56..3c5c631328d3 100644 --- a/Documentation/devicetree/bindings/arm/cci.txt +++ b/Documentation/devicetree/bindings/arm/cci.txt @@ -94,8 +94,11 @@ specific to ARM. - compatible Usage: required Value type: <string> - Definition: must be "arm,cci-400-pmu" - + Definition: Must contain one of: + "arm,cci-400-pmu,r0" + "arm,cci-400-pmu,r1" + "arm,cci-400-pmu" - DEPRECATED, permitted only where OS has + secure acces to CCI registers - reg: Usage: required Value type: Integer cells. A register entry, expressed diff --git a/Documentation/devicetree/bindings/bus/renesas,bsc.txt b/Documentation/devicetree/bindings/bus/renesas,bsc.txt new file mode 100644 index 000000000000..90e947269437 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/renesas,bsc.txt @@ -0,0 +1,46 @@ +Renesas Bus State Controller (BSC) +================================== + +The Renesas Bus State Controller (BSC, sometimes called "LBSC within Bus +Bridge", or "External Bus Interface") can be found in several Renesas ARM SoCs. +It provides an external bus for connecting multiple external devices to the +SoC, driving several chip select lines, for e.g. NOR FLASH, Ethernet and USB. + +While the BSC is a fairly simple memory-mapped bus, it may be part of a PM +domain, and may have a gateable functional clock. +Before a device connected to the BSC can be accessed, the PM domain +containing the BSC must be powered on, and the functional clock +driving the BSC must be enabled. + +The bindings for the BSC extend the bindings for "simple-pm-bus". + + +Required properties + - compatible: Must contain an SoC-specific value, and "renesas,bsc" and + "simple-pm-bus" as fallbacks. + SoC-specific values can be: + "renesas,bsc-r8a73a4" for R-Mobile APE6 (r8a73a4) + "renesas,bsc-sh73a0" for SH-Mobile AG5 (sh73a0) + - #address-cells, #size-cells, ranges: Must describe the mapping between + parent address and child address spaces. + - reg: Must contain the base address and length to access the bus controller. + +Optional properties: + - interrupts: Must contain a reference to the BSC interrupt, if available. + - clocks: Must contain a reference to the functional clock, if available. + - power-domains: Must contain a reference to the PM domain, if available. + + +Example: + + bsc: bus@fec10000 { + compatible = "renesas,bsc-sh73a0", "renesas,bsc", + "simple-pm-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0x20000000>; + reg = <0xfec10000 0x400>; + interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&zb_clk>; + power-domains = <&pd_a4s>; + }; diff --git a/Documentation/devicetree/bindings/bus/simple-pm-bus.txt b/Documentation/devicetree/bindings/bus/simple-pm-bus.txt new file mode 100644 index 000000000000..d032237512c2 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/simple-pm-bus.txt @@ -0,0 +1,44 @@ +Simple Power-Managed Bus +======================== + +A Simple Power-Managed Bus is a transparent bus that doesn't need a real +driver, as it's typically initialized by the boot loader. + +However, its bus controller is part of a PM domain, or under the control of a +functional clock. Hence, the bus controller's PM domain and/or clock must be +enabled for child devices connected to the bus (either on-SoC or externally) +to function. + +While "simple-pm-bus" follows the "simple-bus" set of properties, as specified +in ePAPR, it is not an extension of "simple-bus". + + +Required properties: + - compatible: Must contain at least "simple-pm-bus". + Must not contain "simple-bus". + It's recommended to let this be preceded by one or more + vendor-specific compatible values. + - #address-cells, #size-cells, ranges: Must describe the mapping between + parent address and child address spaces. + +Optional platform-specific properties for clock or PM domain control (at least +one of them is required): + - clocks: Must contain a reference to the functional clock(s), + - power-domains: Must contain a reference to the PM domain. +Please refer to the binding documentation for the clock and/or PM domain +providers for more details. + + +Example: + + bsc: bus@fec10000 { + compatible = "renesas,bsc-sh73a0", "renesas,bsc", + "simple-pm-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0x20000000>; + reg = <0xfec10000 0x400>; + interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&zb_clk>; + power-domains = <&pd_a4s>; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt index 4ce24d425bf1..2f5ede39bea2 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt @@ -6,7 +6,8 @@ configuration settings. The mode setting will govern the input/output mode of the 4 GSBI IOs. Required properties: -- compatible: must contain "qcom,gsbi-v1.0.0" for APQ8064/IPQ8064 +- compatible: Should contain "qcom,gsbi-v1.0.0" +- cell-index: Should contain the GSBI index - reg: Address range for GSBI registers - clocks: required clock - clock-names: must contain "iface" entry @@ -16,6 +17,8 @@ Required properties: Optional properties: - qcom,crci : indicates CRCI MUX value for QUP CRCI ports. Please reference dt-bindings/soc/qcom,gsbi.h for valid CRCI mux values. +- syscon-tcsr: indicates phandle of TCSR syscon node. Required if child uses + dma. Required properties if child node exists: - #address-cells: Must be 1 @@ -39,6 +42,7 @@ Example for APQ8064: gsbi4@16300000 { compatible = "qcom,gsbi-v1.0.0"; + cell-index = <4>; reg = <0x16300000 0x100>; clocks = <&gcc GSBI4_H_CLK>; clock-names = "iface"; @@ -48,22 +52,24 @@ Example for APQ8064: qcom,mode = <GSBI_PROT_I2C_UART>; qcom,crci = <GSBI_CRCI_QUP>; + syscon-tcsr = <&tcsr>; + /* child nodes go under here */ i2c_qup4: i2c@16380000 { - compatible = "qcom,i2c-qup-v1.1.1"; - reg = <0x16380000 0x1000>; - interrupts = <0 153 0>; + compatible = "qcom,i2c-qup-v1.1.1"; + reg = <0x16380000 0x1000>; + interrupts = <0 153 0>; - clocks = <&gcc GSBI4_QUP_CLK>, <&gcc GSBI4_H_CLK>; - clock-names = "core", "iface"; + clocks = <&gcc GSBI4_QUP_CLK>, <&gcc GSBI4_H_CLK>; + clock-names = "core", "iface"; - clock-frequency = <200000>; + clock-frequency = <200000>; - #address-cells = <1>; - #size-cells = <0>; + #address-cells = <1>; + #size-cells = <0>; - }; + }; uart4: serial@16340000 { compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm"; @@ -76,3 +82,7 @@ Example for APQ8064: }; }; + tcsr: syscon@1a400000 { + compatible = "qcom,apq8064-tcsr", "syscon"; + reg = <0x1a400000 0x100>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index fadb73c40e28..39fb0435362c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1327,6 +1327,7 @@ F: drivers/tty/serial/msm_serial.h F: drivers/tty/serial/msm_serial.c F: drivers/*/pm8???-* F: drivers/mfd/ssbi.c +F: drivers/firmware/qcom_scm.c T: git git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom.git ARM/RADISYS ENP2611 MACHINE SUPPORT diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index d74c9ea6eb06..29e80adbf6cc 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2146,6 +2146,8 @@ source "net/Kconfig" source "drivers/Kconfig" +source "drivers/firmware/Kconfig" + source "fs/Kconfig" source "arch/arm/Kconfig.debug" diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi index c515e4b160be..4fb333bd1f85 100644 --- a/arch/arm/boot/dts/at91rm9200.dtsi +++ b/arch/arm/boot/dts/at91rm9200.dtsi @@ -356,9 +356,13 @@ }; st: timer@fffffd00 { - compatible = "atmel,at91rm9200-st"; + compatible = "atmel,at91rm9200-st", "syscon", "simple-mfd"; reg = <0xfffffd00 0x100>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + + watchdog { + compatible = "atmel,at91rm9200-wdt"; + }; }; rtc: rtc@fffffe00 { diff --git a/arch/arm/include/asm/arm-cci.h b/arch/arm/include/asm/arm-cci.h new file mode 100644 index 000000000000..fe77f7ab7e6b --- /dev/null +++ b/arch/arm/include/asm/arm-cci.h @@ -0,0 +1,42 @@ +/* + * arch/arm/include/asm/arm-cci.h + * + * Copyright (C) 2015 ARM Ltd. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __ASM_ARM_CCI_H +#define __ASM_ARM_CCI_H + +#ifdef CONFIG_MCPM +#include <asm/mcpm.h> + +/* + * We don't have a reliable way of detecting whether, + * if we have access to secure-only registers, unless + * mcpm is registered. + */ +static inline bool platform_has_secure_cci_access(void) +{ + return mcpm_is_available(); +} + +#else +static inline bool platform_has_secure_cci_access(void) +{ + return false; +} +#endif + +#endif diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 4da6bae047f3..24b59c75f6af 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -77,6 +77,7 @@ if SOC_SAM_V4_V5 config SOC_AT91RM9200 bool "AT91RM9200" select ATMEL_AIC_IRQ + select ATMEL_ST select COMMON_CLK_AT91 select CPU_ARM920T select GENERIC_CLOCKEVENTS diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index ea54c9824d89..38aaef7b994e 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -7,7 +7,7 @@ obj-y := soc.o obj-$(CONFIG_SOC_AT91SAM9) += sam9_smc.o # CPU-specific support -obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o at91rm9200_time.o +obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o obj-$(CONFIG_SOC_AT91SAM9) += at91sam9.o obj-$(CONFIG_SOC_SAMA5) += sama5.o diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index bfc9aed90b91..eaf58f88ef5d 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -15,8 +15,6 @@ #include <asm/mach/arch.h> #include <asm/system_misc.h> -#include <mach/at91_st.h> - #include "generic.h" #include "soc.h" @@ -25,21 +23,6 @@ static const struct at91_soc rm9200_socs[] = { { /* sentinel */ }, }; -static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd) -{ - /* - * Perform a hardware reset with the use of the Watchdog timer. - */ - at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1); - at91_st_write(AT91_ST_CR, AT91_ST_WDRST); -} - -static void __init at91rm9200_dt_timer_init(void) -{ - of_clk_init(NULL); - at91rm9200_timer_init(); -} - static void __init at91rm9200_dt_device_init(void) { struct soc_device *soc; @@ -52,7 +35,6 @@ static void __init at91rm9200_dt_device_init(void) of_platform_populate(NULL, of_default_bus_match_table, NULL, soc_dev); arm_pm_idle = at91rm9200_idle; - arm_pm_restart = at91rm9200_restart; at91rm9200_pm_init(); } @@ -62,7 +44,6 @@ static const char *at91rm9200_dt_board_compat[] __initconst = { }; DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200") - .init_time = at91rm9200_dt_timer_init, .init_machine = at91rm9200_dt_device_init, .dt_compat = at91rm9200_dt_board_compat, MACHINE_END diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 2b396c4e1fc1..b0fa7dc7286d 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -18,9 +18,6 @@ extern void __init at91_map_io(void); extern void __init at91_alt_map_io(void); - /* Timer */ -extern void at91rm9200_timer_init(void); - /* idle */ extern void at91rm9200_idle(void); extern void at91sam9_idle(void); diff --git a/arch/arm/mach-at91/include/mach/at91_st.h b/arch/arm/mach-at91/include/mach/at91_st.h deleted file mode 100644 index 67fdbd13c3ed..000000000000 --- a/arch/arm/mach-at91/include/mach/at91_st.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/at91_st.h - * - * Copyright (C) 2005 Ivan Kokshaysky - * Copyright (C) SAN People - * - * System Timer (ST) - System peripherals registers. - * Based on AT91RM9200 datasheet revision E. - * - * 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. - */ - -#ifndef AT91_ST_H -#define AT91_ST_H - -#ifndef __ASSEMBLY__ -extern void __iomem *at91_st_base; - -#define at91_st_read(field) \ - __raw_readl(at91_st_base + field) - -#define at91_st_write(field, value) \ - __raw_writel(value, at91_st_base + field) -#else -.extern at91_st_base -#endif - -#define AT91_ST_CR 0x00 /* Control Register */ -#define AT91_ST_WDRST (1 << 0) /* Watchdog Timer Restart */ - -#define AT91_ST_PIMR 0x04 /* Period Interval Mode Register */ -#define AT91_ST_PIV (0xffff << 0) /* Period Interval Value */ - -#define AT91_ST_WDMR 0x08 /* Watchdog Mode Register */ -#define AT91_ST_WDV (0xffff << 0) /* Watchdog Counter Value */ -#define AT91_ST_RSTEN (1 << 16) /* Reset Enable */ -#define AT91_ST_EXTEN (1 << 17) /* External Signal Assertion Enable */ - -#define AT91_ST_RTMR 0x0c /* Real-time Mode Register */ -#define AT91_ST_RTPRES (0xffff << 0) /* Real-time Prescalar Value */ - -#define AT91_ST_SR 0x10 /* Status Register */ -#define AT91_ST_PITS (1 << 0) /* Period Interval Timer Status */ -#define AT91_ST_WDOVF (1 << 1) /* Watchdog Overflow */ -#define AT91_ST_RTTINC (1 << 2) /* Real-time Timer Increment */ -#define AT91_ST_ALMS (1 << 3) /* Alarm Status */ - -#define AT91_ST_IER 0x14 /* Interrupt Enable Register */ -#define AT91_ST_IDR 0x18 /* Interrupt Disable Register */ -#define AT91_ST_IMR 0x1c /* Interrupt Mask Register */ - -#define AT91_ST_RTAR 0x20 /* Real-time Alarm Register */ -#define AT91_ST_ALMV (0xfffff << 0) /* Alarm Value */ - -#define AT91_ST_CRTR 0x24 /* Current Real-time Register */ -#define AT91_ST_CRTV (0xfffff << 0) /* Current Real-Time Value */ - -#endif diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 603820e5aba7..81064cd61a0a 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -123,7 +123,7 @@ config SOC_EXYNOS5800 config EXYNOS5420_MCPM bool "Exynos5420 Multi-Cluster PM support" depends on MCPM && SOC_EXYNOS5420 - select ARM_CCI + select ARM_CCI400_PORT_CTRL select ARM_CPU_SUSPEND help This is needed to provide CPU and cluster power management diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig index f7e463ca0287..9f59e58da3a4 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -1,6 +1,7 @@ menuconfig ARCH_MEDIATEK bool "Mediatek MT65xx & MT81xx SoC" if ARCH_MULTI_V7 select ARM_GIC + select PINCTRL select MTK_TIMER help Support for Mediatek MT65xx & MT81xx SoCs diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index d5951b17b736..72918c4973ea 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -96,14 +96,6 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data, gpmc_nand_res[1].start = gpmc_get_client_irq(GPMC_IRQ_FIFOEVENTENABLE); gpmc_nand_res[2].start = gpmc_get_client_irq(GPMC_IRQ_COUNT_EVENT); - if (gpmc_t) { - err = gpmc_cs_set_timings(gpmc_nand_data->cs, gpmc_t); - if (err < 0) { - pr_err("omap2-gpmc: Unable to set gpmc timings: %d\n", err); - return err; - } - } - memset(&s, 0, sizeof(struct gpmc_settings)); if (gpmc_nand_data->of_node) gpmc_read_settings_dt(gpmc_nand_data->of_node, &s); @@ -111,6 +103,16 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data, gpmc_set_legacy(gpmc_nand_data, &s); s.device_nand = true; + + if (gpmc_t) { + err = gpmc_cs_set_timings(gpmc_nand_data->cs, gpmc_t, &s); + if (err < 0) { + pr_err("omap2-gpmc: Unable to set gpmc timings: %d\n", + err); + return err; + } + } + err = gpmc_cs_program_settings(gpmc_nand_data->cs, &s); if (err < 0) goto out_free_cs; diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index 53d197e0c1f3..f899e77ff5e6 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -293,7 +293,7 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base) if (ret < 0) return ret; - ret = gpmc_cs_set_timings(gpmc_onenand_data->cs, &t); + ret = gpmc_cs_set_timings(gpmc_onenand_data->cs, &t, &onenand_async); if (ret < 0) return ret; @@ -331,7 +331,7 @@ static int omap2_onenand_setup_sync(void __iomem *onenand_base, int *freq_ptr) if (ret < 0) return ret; - ret = gpmc_cs_set_timings(gpmc_onenand_data->cs, &t); + ret = gpmc_cs_set_timings(gpmc_onenand_data->cs, &t, &onenand_sync); if (ret < 0) return ret; diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c index 8333400898fb..e554d9e66a1c 100644 --- a/arch/arm/mach-omap2/usb-tusb6010.c +++ b/arch/arm/mach-omap2/usb-tusb6010.c @@ -71,7 +71,7 @@ static int tusb_set_async_mode(unsigned sysclk_ps) gpmc_calc_timings(&t, &tusb_async, &dev_t); - return gpmc_cs_set_timings(async_cs, &t); + return gpmc_cs_set_timings(async_cs, &t, &tusb_async); } static int tusb_set_sync_mode(unsigned sysclk_ps) @@ -98,7 +98,7 @@ static int tusb_set_sync_mode(unsigned sysclk_ps) gpmc_calc_timings(&t, &tusb_sync, &dev_t); - return gpmc_cs_set_timings(sync_cs, &t); + return gpmc_cs_set_timings(sync_cs, &t, &tusb_sync); } /* tusb driver calls this when it changes the chip's clocking */ diff --git a/arch/arm/mach-qcom/Kconfig b/arch/arm/mach-qcom/Kconfig index 48003ea652b9..2256cd1e25d1 100644 --- a/arch/arm/mach-qcom/Kconfig +++ b/arch/arm/mach-qcom/Kconfig @@ -22,7 +22,4 @@ config ARCH_MSM8974 bool "Enable support for MSM8974" select HAVE_ARM_ARCH_TIMER -config QCOM_SCM - bool - endif diff --git a/arch/arm/mach-qcom/Makefile b/arch/arm/mach-qcom/Makefile index 8f756ae1ae31..e324375fa919 100644 --- a/arch/arm/mach-qcom/Makefile +++ b/arch/arm/mach-qcom/Makefile @@ -1,5 +1,2 @@ obj-y := board.o obj-$(CONFIG_SMP) += platsmp.o -obj-$(CONFIG_QCOM_SCM) += scm.o scm-boot.o - -CFLAGS_scm.o :=$(call as-instr,.arch_extension sec,-DREQUIRES_SEC=1) diff --git a/arch/arm/mach-qcom/platsmp.c b/arch/arm/mach-qcom/platsmp.c index 09cffed4c0a4..5cde63a64b34 100644 --- a/arch/arm/mach-qcom/platsmp.c +++ b/arch/arm/mach-qcom/platsmp.c @@ -17,10 +17,10 @@ #include <linux/of_address.h> #include <linux/smp.h> #include <linux/ |