diff options
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-msm.txt | 26 | ||||
| -rw-r--r-- | arch/arm/boot/dts/msm8660-surf.dts | 11 | ||||
| -rw-r--r-- | arch/arm/boot/dts/msm8960-cdp.dts | 13 | ||||
| -rw-r--r-- | arch/arm/mach-msm/Kconfig | 13 | ||||
| -rw-r--r-- | arch/arm/mach-msm/Makefile | 6 | ||||
| -rw-r--r-- | arch/arm/mach-msm/board-dt-8660.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-msm/board-dt-8960.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-msm/core.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-msm/gpiomux-8x60.c | 19 | ||||
| -rw-r--r-- | arch/arm/mach-msm/gpiomux-v2.c | 25 | ||||
| -rw-r--r-- | arch/arm/mach-msm/gpiomux-v2.h | 61 | ||||
| -rw-r--r-- | arch/arm/mach-msm/gpiomux.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-msm/gpiomux.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap-8960.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap-8x60.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-msm/include/mach/msm_iomap.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-msm/io.c | 4 | ||||
| -rw-r--r-- | drivers/gpio/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/gpio/gpio-msm-v2.c | 195 | ||||
| -rw-r--r-- | drivers/ssbi/ssbi.c | 69 |
20 files changed, 198 insertions, 287 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-msm.txt b/Documentation/devicetree/bindings/gpio/gpio-msm.txt new file mode 100644 index 000000000000..ac20e68a004e --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-msm.txt @@ -0,0 +1,26 @@ +MSM GPIO controller bindings + +Required properties: +- compatible: + - "qcom,msm-gpio" for MSM controllers +- #gpio-cells : Should be two. + - first cell is the pin number + - second cell is used to specify optional parameters (unused) +- gpio-controller : Marks the device node as a GPIO controller. +- #interrupt-cells : Should be 2. +- interrupt-controller: Mark the device node as an interrupt controller +- interrupts : Specify the TLMM summary interrupt number +- ngpio : Specify the number of MSM GPIOs + +Example: + + msmgpio: gpio@fd510000 { + compatible = "qcom,msm-gpio"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0xfd510000 0x4000>; + interrupts = <0 208 0>; + ngpio = <150>; + }; diff --git a/arch/arm/boot/dts/msm8660-surf.dts b/arch/arm/boot/dts/msm8660-surf.dts index d347082d28f3..cdc010e0f93e 100644 --- a/arch/arm/boot/dts/msm8660-surf.dts +++ b/arch/arm/boot/dts/msm8660-surf.dts @@ -26,6 +26,17 @@ cpu-offset = <0x40000>; }; + msmgpio: gpio@800000 { + compatible = "qcom,msm-gpio"; + reg = <0x00800000 0x1000>; + gpio-controller; + #gpio-cells = <2>; + ngpio = <173>; + interrupts = <0 32 0x4>; + interrupt-controller; + #interrupt-cells = <2>; + }; + serial@19c40000 { compatible = "qcom,msm-hsuart", "qcom,msm-uart"; reg = <0x19c40000 0x1000>, diff --git a/arch/arm/boot/dts/msm8960-cdp.dts b/arch/arm/boot/dts/msm8960-cdp.dts index 7c9ef9b80c15..e9eb83541c97 100644 --- a/arch/arm/boot/dts/msm8960-cdp.dts +++ b/arch/arm/boot/dts/msm8960-cdp.dts @@ -26,7 +26,18 @@ cpu-offset = <0x80000>; }; - serial@16440000 { + msmgpio: gpio@fd510000 { + compatible = "qcom,msm-gpio"; + gpio-controller; + #gpio-cells = <2>; + ngpio = <150>; + interrupts = <0 32 0x4>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0xfd510000 0x4000>; + }; + + serial@19440000 { compatible = "qcom,msm-hsuart", "qcom,msm-uart"; reg = <0x16440000 0x1000>, <0x16400000 0x1000>; diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig index fceb093b9494..614e41e7881b 100644 --- a/arch/arm/mach-msm/Kconfig +++ b/arch/arm/mach-msm/Kconfig @@ -48,9 +48,7 @@ config ARCH_MSM8X60 select CPU_V7 select GPIO_MSM_V2 select HAVE_SMP - select MSM_GPIOMUX select MSM_SCM if SMP - select MSM_V2_TLMM select USE_OF config ARCH_MSM8960 @@ -58,9 +56,8 @@ config ARCH_MSM8960 select ARM_GIC select CPU_V7 select HAVE_SMP - select MSM_GPIOMUX + select GPIO_MSM_V2 select MSM_SCM if SMP - select MSM_V2_TLMM select USE_OF config MSM_HAS_DEBUG_UART_HS @@ -124,10 +121,10 @@ config MSM_SMD bool config MSM_GPIOMUX - bool - -config MSM_V2_TLMM - bool + depends on !(ARCH_MSM8X60 || ARCH_MSM8960) + bool "MSM V1 TLMM GPIOMUX architecture" + help + Support for MSM V1 TLMM GPIOMUX architecture. config MSM_SCM bool diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile index 17519faf082f..1a26d04c9400 100644 --- a/arch/arm/mach-msm/Makefile +++ b/arch/arm/mach-msm/Makefile @@ -27,7 +27,5 @@ obj-$(CONFIG_ARCH_MSM7X30) += board-msm7x30.o devices-msm7x30.o obj-$(CONFIG_ARCH_QSD8X50) += board-qsd8x50.o devices-qsd8x50.o obj-$(CONFIG_ARCH_MSM8X60) += board-dt-8660.o obj-$(CONFIG_ARCH_MSM8960) += board-dt-8960.o - -obj-$(CONFIG_ARCH_MSM7X30) += gpiomux-v1.o gpiomux.o -obj-$(CONFIG_ARCH_QSD8X50) += gpiomux-8x50.o gpiomux-v1.o gpiomux.o -obj-$(CONFIG_ARCH_MSM8X60) += gpiomux-8x60.o gpiomux-v2.o gpiomux.o +obj-$(CONFIG_MSM_GPIOMUX) += gpiomux.o +obj-$(CONFIG_ARCH_QSD8X50) += gpiomux-8x50.o diff --git a/arch/arm/mach-msm/board-dt-8660.c b/arch/arm/mach-msm/board-dt-8660.c index 7dcfc5300bbd..492f5cd87b0a 100644 --- a/arch/arm/mach-msm/board-dt-8660.c +++ b/arch/arm/mach-msm/board-dt-8660.c @@ -11,7 +11,6 @@ */ #include <linux/init.h> -#include <linux/irqchip.h> #include <linux/of.h> #include <linux/of_platform.h> @@ -44,7 +43,6 @@ static const char *msm8x60_fluid_match[] __initdata = { DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)") .smp = smp_ops(msm_smp_ops), .map_io = msm_map_msm8x60_io, - .init_irq = irqchip_init, .init_machine = msm8x60_dt_init, .init_late = msm8x60_init_late, .init_time = msm_dt_timer_init, diff --git a/arch/arm/mach-msm/board-dt-8960.c b/arch/arm/mach-msm/board-dt-8960.c index 73019363ffa4..bb5530957c4f 100644 --- a/arch/arm/mach-msm/board-dt-8960.c +++ b/arch/arm/mach-msm/board-dt-8960.c @@ -11,7 +11,6 @@ */ #include <linux/init.h> -#include <linux/irqchip.h> #include <linux/of_platform.h> #include <asm/mach/arch.h> @@ -31,7 +30,6 @@ static const char * const msm8960_dt_match[] __initconst = { DT_MACHINE_START(MSM8960_DT, "Qualcomm MSM (Flattened Device Tree)") .smp = smp_ops(msm_smp_ops), .map_io = msm_map_msm8960_io, - .init_irq = irqchip_init, .init_time = msm_dt_timer_init, .init_machine = msm_dt_init, .dt_compat = msm8960_dt_match, diff --git a/arch/arm/mach-msm/core.h b/arch/arm/mach-msm/core.h deleted file mode 100644 index a9bab53dddf4..000000000000 --- a/arch/arm/mach-msm/core.h +++ /dev/null @@ -1,2 +0,0 @@ -extern struct smp_operations msm_smp_ops; -extern void msm_cpu_die(unsigned int cpu); diff --git a/arch/arm/mach-msm/gpiomux-8x60.c b/arch/arm/mach-msm/gpiomux-8x60.c deleted file mode 100644 index 7b380b31bd0e..000000000000 --- a/arch/arm/mach-msm/gpiomux-8x60.c +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (c) 2010, Code Aurora Forum. 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 and - * only 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ -#include "gpiomux.h" - -struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {}; diff --git a/arch/arm/mach-msm/gpiomux-v2.c b/arch/arm/mach-msm/gpiomux-v2.c deleted file mode 100644 index 273396d2b127..000000000000 --- a/arch/arm/mach-msm/gpiomux-v2.c +++ /dev/null @@ -1,25 +0,0 @@ -/* Copyright (c) 2010, Code Aurora Forum. 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 and - * only 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ -#include <linux/io.h> -#include <mach/msm_iomap.h> -#include "gpiomux.h" - -void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val) -{ - writel(val & ~GPIOMUX_CTL_MASK, - MSM_TLMM_BASE + 0x1000 + (0x10 * gpio)); -} diff --git a/arch/arm/mach-msm/gpiomux-v2.h b/arch/arm/mach-msm/gpiomux-v2.h deleted file mode 100644 index 3bf10e7f0381..000000000000 --- a/arch/arm/mach-msm/gpiomux-v2.h +++ /dev/null @@ -1,61 +0,0 @@ -/* Copyright (c) 2010, Code Aurora Forum. 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 and - * only 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ -#ifndef __ARCH_ARM_MACH_MSM_GPIOMUX_V2_H -#define __ARCH_ARM_MACH_MSM_GPIOMUX_V2_H - -#define GPIOMUX_NGPIOS 173 - -typedef u16 gpiomux_config_t; - -enum { - GPIOMUX_DRV_2MA = 0UL << 6, - GPIOMUX_DRV_4MA = 1UL << 6, - GPIOMUX_DRV_6MA = 2UL << 6, - GPIOMUX_DRV_8MA = 3UL << 6, - GPIOMUX_DRV_10MA = 4UL << 6, - GPIOMUX_DRV_12MA = 5UL << 6, - GPIOMUX_DRV_14MA = 6UL << 6, - GPIOMUX_DRV_16MA = 7UL << 6, -}; - -enum { - GPIOMUX_FUNC_GPIO = 0UL << 2, - GPIOMUX_FUNC_1 = 1UL << 2, - GPIOMUX_FUNC_2 = 2UL << 2, - GPIOMUX_FUNC_3 = 3UL << 2, - GPIOMUX_FUNC_4 = 4UL << 2, - GPIOMUX_FUNC_5 = 5UL << 2, - GPIOMUX_FUNC_6 = 6UL << 2, - GPIOMUX_FUNC_7 = 7UL << 2, - GPIOMUX_FUNC_8 = 8UL << 2, - GPIOMUX_FUNC_9 = 9UL << 2, - GPIOMUX_FUNC_A = 10UL << 2, - GPIOMUX_FUNC_B = 11UL << 2, - GPIOMUX_FUNC_C = 12UL << 2, - GPIOMUX_FUNC_D = 13UL << 2, - GPIOMUX_FUNC_E = 14UL << 2, - GPIOMUX_FUNC_F = 15UL << 2, -}; - -enum { - GPIOMUX_PULL_NONE = 0UL, - GPIOMUX_PULL_DOWN = 1UL, - GPIOMUX_PULL_KEEPER = 2UL, - GPIOMUX_PULL_UP = 3UL, -}; - -#endif diff --git a/arch/arm/mach-msm/gpiomux.c b/arch/arm/mach-msm/gpiomux.c index 53af21abd155..2b8e2d217082 100644 --- a/arch/arm/mach-msm/gpiomux.c +++ b/arch/arm/mach-msm/gpiomux.c @@ -17,9 +17,24 @@ #include <linux/module.h> #include <linux/spinlock.h> #include "gpiomux.h" +#include "proc_comm.h" static DEFINE_SPINLOCK(gpiomux_lock); +static void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val) +{ + unsigned tlmm_config = (val & ~GPIOMUX_CTL_MASK) | + ((gpio & 0x3ff) << 4); + unsigned tlmm_disable = 0; + int rc; + + rc = msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, + &tlmm_config, &tlmm_disable); + if (rc) + pr_err("%s: unexpected proc_comm failure %d: %08x %08x\n", + __func__, rc, tlmm_config, tlmm_disable); +} + int msm_gpiomux_write(unsigned gpio, gpiomux_config_t active, gpiomux_config_t suspended) diff --git a/arch/arm/mach-msm/gpiomux.h b/arch/arm/mach-msm/gpiomux.h index 00459f6ee13c..8e82f41a8923 100644 --- a/arch/arm/mach-msm/gpiomux.h +++ b/arch/arm/mach-msm/gpiomux.h @@ -20,12 +20,7 @@ #include <linux/bitops.h> #include <linux/errno.h> #include <mach/msm_gpiomux.h> - -#if defined(CONFIG_MSM_V2_TLMM) -#include "gpiomux-v2.h" -#else #include "gpiomux-v1.h" -#endif /** * struct msm_gpiomux_config: gpiomux settings for one gpio line. diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8960.h b/arch/arm/mach-msm/include/mach/msm_iomap-8960.h index 9819a556acae..7bca8d7108d6 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-8960.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-8960.h @@ -32,13 +32,6 @@ * */ - -#define MSM8960_QGIC_DIST_PHYS 0x02000000 -#define MSM8960_QGIC_DIST_SIZE SZ_4K - -#define MSM8960_QGIC_CPU_PHYS 0x02002000 -#define MSM8960_QGIC_CPU_SIZE SZ_4K - #define MSM8960_TMR_PHYS 0x0200A000 #define MSM8960_TMR_SIZE SZ_4K diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h index 199372e62def..75a7b62c1c74 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h @@ -35,12 +35,6 @@ * */ -#define MSM8X60_QGIC_DIST_PHYS 0x02080000 -#define MSM8X60_QGIC_DIST_SIZE SZ_4K - -#define MSM8X60_QGIC_CPU_PHYS 0x02081000 -#define MSM8X60_QGIC_CPU_SIZE SZ_4K - #define MSM_TLMM_BASE IOMEM(0xF0004000) #define MSM_TLMM_PHYS 0x00800000 #define MSM_TLMM_SIZE SZ_16K diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h index 2ab7cf0919b3..c56e81ffdcde 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap.h @@ -62,8 +62,6 @@ /* Virtual addresses shared across all MSM targets. */ #define MSM_CSR_BASE IOMEM(0xE0001000) -#define MSM_QGIC_DIST_BASE IOMEM(0xF0000000) -#define MSM_QGIC_CPU_BASE IOMEM(0xF0001000) #define MSM_TMR_BASE IOMEM(0xF0200000) #define MSM_TMR0_BASE IOMEM(0xF0201000) #define MSM_GPIO1_BASE IOMEM(0xE0003000) diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c index 123ef9cbce1b..efa113e4de86 100644 --- a/arch/arm/mach-msm/io.c +++ b/arch/arm/mach-msm/io.c @@ -107,8 +107,6 @@ void __init msm_map_qsd8x50_io(void) #ifdef CONFIG_ARCH_MSM8X60 static struct map_desc msm8x60_io_desc[] __initdata = { - MSM_CHIP_DEVICE(QGIC_DIST, MSM8X60), - MSM_CHIP_DEVICE(QGIC_CPU, MSM8X60), MSM_CHIP_DEVICE(TMR, MSM8X60), MSM_CHIP_DEVICE(TMR0, MSM8X60), #ifdef CONFIG_DEBUG_MSM8660_UART @@ -124,8 +122,6 @@ void __init msm_map_msm8x60_io(void) #ifdef CONFIG_ARCH_MSM8960 static struct map_desc msm8960_io_desc[] __initdata = { - MSM_CHIP_DEVICE(QGIC_DIST, MSM8960), - MSM_CHIP_DEVICE(QGIC_CPU, MSM8960), MSM_CHIP_DEVICE(TMR, MSM8960), MSM_CHIP_DEVICE(TMR0, MSM8960), #ifdef CONFIG_DEBUG_MSM8960_UART diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 573c449c49b9..847a6dc15a54 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -165,7 +165,7 @@ config GPIO_MSM_V1 config GPIO_MSM_V2 tristate "Qualcomm MSM GPIO v2" - depends on GPIOLIB && ARCH_MSM + depends on GPIOLIB && OF && ARCH_MSM help Say yes here to support the GPIO interface on ARM v7 based Qualcomm MSM chips. Most of the pins on the MSM can be diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c index dd2eddeb1e0c..f4491a497cc8 100644 --- a/drivers/gpio/gpio-msm-v2.c +++ b/drivers/gpio/gpio-msm-v2.c @@ -19,18 +19,21 @@ #include <linux/bitmap.h> #include <linux/bitops.h> +#include <linux/err.h> #include <linux/gpio.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/irqchip/chained_irq.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/module.h> +#include <linux/of_address.h> #include <linux/platform_device.h> #include <linux/spinlock.h> +#include <linux/slab.h> -#include <mach/msm_gpiomux.h> -#include <mach/msm_iomap.h> +#define MAX_NR_GPIO 300 /* Bits of interest in the GPIO_IN_OUT register. */ @@ -77,13 +80,6 @@ enum { TARGET_PROC_NONE = 7, }; - -#define GPIO_INTR_CFG_SU(gpio) (MSM_TLMM_BASE + 0x0400 + (0x04 * (gpio))) -#define GPIO_CONFIG(gpio) (MSM_TLMM_BASE + 0x1000 + (0x10 * (gpio))) -#define GPIO_IN_OUT(gpio) (MSM_TLMM_BASE + 0x1004 + (0x10 * (gpio))) -#define GPIO_INTR_CFG(gpio) (MSM_TLMM_BASE + 0x1008 + (0x10 * (gpio))) -#define GPIO_INTR_STATUS(gpio) (MSM_TLMM_BASE + 0x100c + (0x10 * (gpio))) - /** * struct msm_gpio_dev: the MSM8660 SoC GPIO device structure * @@ -102,11 +98,27 @@ enum { */ struct msm_gpio_dev { struct gpio_chip gpio_chip; - DECLARE_BITMAP(enabled_irqs, NR_GPIO_IRQS); - DECLARE_BITMAP(wake_irqs, NR_GPIO_IRQS); - DECLARE_BITMAP(dual_edge_irqs, NR_GPIO_IRQS); + DECLARE_BITMAP(enabled_irqs, MAX_NR_GPIO); + DECLARE_BITMAP(wake_irqs, MAX_NR_GPIO); + DECLARE_BITMAP(dual_edge_irqs, MAX_NR_GPIO); + struct irq_domain *domain; + unsigned int summary_irq; + void __iomem *msm_tlmm_base; }; +struct msm_gpio_dev msm_gpio; + +#define GPIO_INTR_CFG_SU(gpio) (msm_gpio.msm_tlmm_base + 0x0400 + \ + (0x04 * (gpio))) +#define GPIO_CONFIG(gpio) (msm_gpio.msm_tlmm_base + 0x1000 + \ + (0x10 * (gpio))) +#define GPIO_IN_OUT(gpio) (msm_gpio.msm_tlmm_base + 0x1004 + \ + (0x10 * (gpio))) +#define GPIO_INTR_CFG(gpio) (msm_gpio.msm_tlmm_base + 0x1008 + \ + (0x10 * (gpio))) +#define GPIO_INTR_STATUS(gpio) (msm_gpio.msm_tlmm_base + 0x100c + \ + (0x10 * (gpio))) + static DEFINE_SPINLOCK(tlmm_lock); static inline struct msm_gpio_dev *to_msm_gpio_dev(struct gpio_chip *chip) @@ -159,37 +171,29 @@ static int msm_gpio_direction_output(struct gpio_chip *chip, static int msm_gpio_request(struct gpio_chip *chip, unsigned offset) { - return msm_gpiomux_get(chip->base + offset); + return 0; } static void msm_gpio_free(struct gpio_chip *chip, unsigned offset) { - msm_gpiomux_put(chip->base + offset); + return; } static int msm_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - return MSM_GPIO_TO_INT(chip->base + offset); + struct msm_gpio_dev *g_dev = to_msm_gpio_dev(chip); + struct irq_domain *domain = g_dev->domain; + + return irq_create_mapping(domain, offset); } static inline int msm_irq_to_gpio(struct gpio_chip *chip, unsigned irq) { - return irq - MSM_GPIO_TO_INT(chip->base); + struct irq_data *irq_data = irq_get_irq_data(irq); + + return irq_data->hwirq; } -static struct msm_gpio_dev msm_gpio = { - .gpio_chip = { - .base = 0, - .ngpio = NR_GPIO_IRQS, - .direction_input = msm_gpio_direction_input, - .direction_output = msm_gpio_direction_output, - .get = msm_gpio_get, - .set = msm_gpio_set, - .to_irq = msm_gpio_to_irq, - .request = msm_gpio_request, - .free = msm_gpio_free, - }, -}; /* For dual-edge interrupts in software, since the hardware has no * such support: @@ -227,9 +231,9 @@ static void msm_gpio_update_dual_edge_pos(unsigned gpio) if (intstat || val == val2) return; } while (loop_limit-- > 0); - pr_err("dual-edge irq failed to stabilize, " + pr_err("%s: dual-edge irq failed to stabilize, " "interrupts dropped. %#08x != %#08x\n", - val, val2); + __func__, val, val2); } static void msm_gpio_irq_ack(struct irq_data *d) @@ -316,10 +320,10 @@ static void msm_summary_irq_handler(unsigned int irq, struct irq_desc *desc) chained_irq_enter(chip, desc); - for_each_set_bit(i, msm_gpio.enabled_irqs, NR_GPIO_IRQS) { + for_each_set_bit(i, msm_gpio.enabled_irqs, MAX_NR_GPIO) { if (readl(GPIO_INTR_STATUS(i)) & BIT(INTR_STATUS)) - generic_handle_irq(msm_gpio_to_irq(&msm_gpio.gpio_chip, - i)); + generic_handle_irq(irq_find_mapping(msm_gpio.domain, + i)); } chained_irq_exit(chip, desc); @@ -330,13 +334,13 @@ static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on) int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, d->irq); if (on) { - if (bitmap_empty(msm_gpio.wake_irqs, NR_GPIO_IRQS)) - irq_set_irq_wake(TLMM_SCSS_SUMMARY_IRQ, 1); + if (bitmap_empty(msm_gpio.wake_irqs, MAX_NR_GPIO)) + irq_set_irq_wake(msm_gpio.summary_irq, 1); set_bit(gpio, msm_gpio.wake_irqs); } else { clear_bit(gpio, msm_gpio.wake_irqs); - if (bitmap_empty(msm_gpio.wake_irqs, NR_GPIO_IRQS)) - irq_set_irq_wake(TLMM_SCSS_SUMMARY_IRQ, 0); + if (bitmap_empty(msm_gpio.wake_irqs, MAX_NR_GPIO)) + irq_set_irq_wake(msm_gpio.summary_irq, 0); } return 0; @@ -351,30 +355,86 @@ static struct irq_chip msm_gpio_irq_chip = { .irq_set_wake = msm_gpio_irq_set_wake, }; -static int msm_gpio_probe(struct platform_device *dev) +static struct lock_class_key msm_gpio_lock_class; + +static int msm_gpio_irq_domain_map(struct irq_domain *d, unsigned int irq, + irq_hw_number_t hwirq) { - int i, irq, ret; + irq_set_lockdep_class(irq, &msm_gpio_lock_class); + irq_set_chip_and_handler(irq, &msm_gpio_irq_chip, + handle_level_irq); + set_irq_flags(irq, IRQF_VALID); + + return 0; +} + +static const struct irq_domain_ops msm_gpio_irq_domain_ops = { + .xlate = irq_domain_xlate_twocell, + .map = msm_gpio_irq_domain_map, +}; + +static int msm_gpio_probe(struct platform_device *pdev) +{ + int ret, ngpio; + struct resource *res; + + if (!of_property_read_u32(pdev->dev.of_node, "ngpio", &ngpio)) { + dev_err(&pdev->dev, "%s: ngpio property missing\n", __func__); + return -EINVAL; + } + + if (ngpio > MAX_NR_GPIO) + WARN(1, "ngpio exceeds the MAX_NR_GPIO. Increase MAX_NR_GPIO\n"); + + bitmap_zero(msm_gpio.enabled_irqs, MAX_NR_GPIO); + bitmap_zero(msm_gpio.wake_irqs, MAX_NR_GPIO); + bitmap_zero(msm_gpio.dual_edge_irqs, MAX_NR_GPIO); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + msm_gpio.msm_tlmm_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(msm_gpio.msm_tlmm_base)) + return PTR_ERR(msm_gpio.msm_tlmm_base); + + msm_gpio.gpio_chip.ngpio = ngpio; + msm_gpio.gpio_chip.label = pdev->name; + msm_gpio.gpio_chip.dev = &pdev->dev; + msm_gpio.gpio_chip.base = 0; + msm_gpio.gpio_chip.direction_input = msm_gpio_direction_input; + msm_gpio.gpio_chip.direction_output = msm_gpio_direction_output; + msm_gpio.gpio_chip.get = msm_gpio_get; + msm_gpio.gpio_chip.set = msm_gpio_set; + msm_gpio.gpio_chip.to_irq = msm_gpio_to_irq; + msm_gpio.gpio_chip.request = msm_gpio_request; + msm_gpio.gpio_chip.free = msm_gpio_free; - bitmap_zero(msm_gpio.enabled_irqs, NR_GPIO_IRQS); - bitmap_zero(msm_gpio.wake_irqs, NR_GPIO_IRQS); - bitmap_zero(msm_gpio.dual_edge_irqs, NR_GPIO_IRQS); - msm_gpio.gpio_chip.label = dev->name; ret = gpiochip_add(&msm_gpio.gpio_chip); - if (ret < 0) + if (ret < 0) { + dev_err(&pdev->dev, "gpiochip_add failed with error %d\n", ret); return ret; + } - for (i = 0; i < msm_gpio.gpio_chip.ngpio; ++i) { - irq = msm_gpio_to_irq(&msm_gpio.gpio_chip, i); - irq_set_chip_and_handler(irq, &msm_gpio_irq_chip, - handle_level_irq); - set_irq_flags(irq, IRQF_VALID); + msm_gpio.summary_irq = platform_get_irq(pdev, 0); + if (msm_gpio.summary_irq < 0) { + dev_err(&pdev->dev, "No Summary irq defined for msmgpio\n"); + return msm_gpio.summary_irq; } - irq_set_chained_handler(TLMM_SCSS_SUMMARY_IRQ, - msm_summary_irq_handler); + msm_gpio.domain = irq_domain_add_linear(pdev->dev.of_node, ngpio, + &msm_gpio_irq_domain_ops, + &msm_gpio); + if (!msm_gpio.domain) + return -ENODEV; + + irq_set_chained_handler(msm_gpio.summary_irq, msm_summary_irq_handler); + return 0; } +static struct of_device_id msm_gpio_of_match[] = { + { .compatible = "qcom,msm-gpio", }, + { }, +}; + static int msm_gpio_remove(struct platform_device *dev) { int ret = gpiochip_remove(&msm_gpio.gpio_chip); @@ -382,7 +442,7 @@ static int msm_gpio_remove(struct platform_device *dev) if (ret < 0) return ret; - irq_set_handler(TLMM_SCSS_SUMMARY_IRQ, NULL); + irq_set_handler(msm_gpio.summary_irq, NULL); return 0; } @@ -393,36 +453,11 @@ static struct platform_driver msm_gpio_driver = { .driver = { .name = "msmgpio", .owner = THIS_MODULE, + .of_match_table = msm_gpio_of_match, }, }; -static struct platform_device msm_device_gpio = { - .name = "msmgpio", - .id = -1, -}; - -static int __init msm_gpio_init(void) -{ - int rc; - - rc = platform_driver_register(&msm_gpio_driver); - if (!rc) { - rc = platform_device_register(&msm_device_gpio); - if (rc) - platform_driver_unregister(&msm_gpio_driver); - } - - return rc; -} - -static void __exit msm_gpio_exit(void) -{ - platform_device_unregister(&msm_device_gpio); - platform_driver_unregister(&msm_gpio_driver); -} - -postcore_initcall(msm_gpio_init); -module_exit(msm_gpio_exit); +module_platform_driver(msm_gpio_driver) MODULE_AUTHOR("Gregory Bean <gbean@codeaurora.org>"); MODULE_DESCRIPTION("Driver for Qualcomm MSM TLMMv2 SoC GPIOs"); diff --git a/drivers/ssbi/ssbi.c b/drivers/ssbi/ssbi.c index e561d3be54a5..102a22844297 100644 --- a/drivers/ssbi/ssbi.c +++ b/drivers/ssbi/ssbi.c @@ -268,35 +268,23 @@ static int ssbi_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct resource *mem_res; struct ssbi *ssbi; - int ret = 0; const char *type; - ssbi = kzalloc(sizeof(struct ssbi), GFP_KERNEL); - if (!ssbi) { - pr_err("can not allocate ssbi_data\n"); + ssbi = devm_kzalloc(&pdev->dev, sizeof(*ssbi), GFP_KERNEL); + if (!ssbi) return -ENOMEM; - } mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem_res) { - pr_err("missing mem resource\n"); - ret = -EINVAL; - goto err_get_mem_res; - } + ssbi->base = devm_ioremap_resource(&pdev->dev, mem_res); + if (IS_ERR(ssbi->base)) + return PTR_ERR(ssbi->base); - ssbi->base = ioremap(mem_res->start, resource_size(mem_res)); - if (!ssbi->base) { - pr_err("ioremap of 0x%p failed\n", (void *)mem_res->start); - ret = -EINVAL; - goto err_ioremap; - } platform_set_drvdata(pdev, ssbi); type = of_get_property(np, "qcom,controller-type", NULL); if (type == NULL) { - pr_err("Missing qcom,controller-type property\n"); - ret = -EINVAL; - goto err_ssbi_controller; + dev_err(&pdev->dev, "Missing qcom,controller-type property\n"); + return -EINVAL; } dev_info(&pdev->dev, "SSBI controller type: '%s'\n", type); if (strcmp(type, "ssbi") == 0) @@ -306,9 +294,8 @@ static int ssbi_probe(struct platform_device *pdev) else if (strcmp(type, "pmic-arbiter") == 0) ssbi->controller_type = MSM_SBI_CTRL_PMIC_ARBITER; else { - pr_err("Unknown qcom,controller-type\n"); - ret = -EINVAL; - goto err_ssbi_controller; + dev_err(&pdev->dev, "Unknown qcom,controller-type\n"); + return -EINVAL; } if (ssbi->controller_type == MSM_SBI_CTRL_PMIC_ARBITER) { @@ -321,29 +308,7 @@ static int ssbi_probe(struct platform_device *pdev) spin_lock_init(&ssbi->lock); - ret = of_platform_populate(np, NULL, NULL, &pdev->dev); - if (ret) - goto err_ssbi_controller; - - return 0; - -err_ssbi_controller: - platform_set_drvdata(pdev, NULL); - iounmap(ssbi->base); -err_ioremap: -err_get_mem_res: - kfree(ssbi); - return ret; -} - -static int ssbi_remove(struct platform_device *pdev) -{ - struct ssbi *ssbi = platform_get_drvdata(pdev); - - platform_set_drvdata(pdev, NULL); - iounmap(ssbi->base); - kfree(ssbi); - return 0; + return of_platform_populate(np, NULL, NULL, &pdev->dev); } static struct of_device_id ssbi_match_table[] = { @@ -354,25 +319,13 @@ MODULE_DEVICE_TABLE(of, ssbi_match_table); static struct platform_driver ssbi_driver = { .probe = ssbi_probe, - .remove = ssbi_remove, .driver = { .name = "ssbi", .owner = THIS_MODULE, .of_match_table = ssbi_match_table, }, }; - -static int __init ssbi_init(void) -{ - return platform_driver_register(&ssbi_driver); -} -module_init(ssbi_init); - -static void __exit ssbi_exit(void) -{ - platform_driver_unregister(&ssbi_driver); -} -module_exit(ssbi_exit) +module_platform_driver(ssbi_driver); MODULE_LICENSE("GPL v2"); MODULE_VERSION("1.0"); |