diff options
author | Russell King <rmk+kernel@armlinux.org.uk> | 2016-08-31 08:49:47 +0100 |
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committer | Russell King <rmk+kernel@armlinux.org.uk> | 2018-03-24 14:17:06 +0000 |
commit | 0920ca103f8d8b53619bb69fa34185013f448ca2 (patch) | |
tree | 53dfa28879453d04138762d4346b5287285f3233 /arch | |
parent | 7be893aa2d6a11d3ff16fe5f614cb94d1cfc9149 (diff) | |
download | linux-stable-0920ca103f8d8b53619bb69fa34185013f448ca2.tar.gz linux-stable-0920ca103f8d8b53619bb69fa34185013f448ca2.tar.bz2 linux-stable-0920ca103f8d8b53619bb69fa34185013f448ca2.zip |
ARM: sa1100: provide infrastructure to support generic CF sockets
Provide the SoC-level infrastructure to support the generic CF sockets.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-sa1100/clock.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-sa1100/generic.c | 44 | ||||
-rw-r--r-- | arch/arm/mach-sa1100/generic.h | 8 |
3 files changed, 53 insertions, 1 deletions
diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c index b2eb3d232e39..6199e87447ca 100644 --- a/arch/arm/mach-sa1100/clock.c +++ b/arch/arm/mach-sa1100/clock.c @@ -163,6 +163,8 @@ static struct clk_lookup sa11xx_clkregs[] = { CLKDEV_INIT("sa1100-rtc", NULL, NULL), CLKDEV_INIT("sa11x0-fb", NULL, &clk_cpu), CLKDEV_INIT("sa11x0-pcmcia", NULL, &clk_cpu), + CLKDEV_INIT("sa11x0-pcmcia.0", NULL, &clk_cpu), + CLKDEV_INIT("sa11x0-pcmcia.1", NULL, &clk_cpu), /* sa1111 names devices using internal offsets, PCMCIA is at 0x1800 */ CLKDEV_INIT("1800", NULL, &clk_cpu), CLKDEV_INIT(NULL, "OSTIMER0", &clk_36864), diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c index 2eb00691b07d..7167ddf84a0e 100644 --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -10,6 +10,7 @@ * published by the Free Software Foundation. */ #include <linux/gpio.h> +#include <linux/gpio/machine.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -20,6 +21,8 @@ #include <linux/ioport.h> #include <linux/platform_device.h> #include <linux/reboot.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/irqchip/irq-sa11x0.h> #include <video/sa1100fb.h> @@ -232,11 +235,20 @@ void sa11x0_register_lcd(struct sa1100fb_mach_info *inf) sa11x0_register_device(&sa11x0fb_device, inf); } +static bool sa11x0pcmcia_legacy = true; static struct platform_device sa11x0pcmcia_device = { .name = "sa11x0-pcmcia", .id = -1, }; +void sa11x0_register_pcmcia(int socket, struct gpiod_lookup_table *table) +{ + if (table) + gpiod_add_lookup_table(table); + platform_device_register_simple("sa11x0-pcmcia", socket, NULL, 0); + sa11x0pcmcia_legacy = false; +} + static struct platform_device sa11x0mtd_device = { .name = "sa1100-mtd", .id = -1, @@ -311,7 +323,6 @@ static struct platform_device *sa11x0_devices[] __initdata = { &sa11x0uart1_device, &sa11x0uart3_device, &sa11x0ssp_device, - &sa11x0pcmcia_device, &sa11x0rtc_device, &sa11x0dma_device, }; @@ -319,6 +330,12 @@ static struct platform_device *sa11x0_devices[] __initdata = { static int __init sa1100_init(void) { pm_power_off = sa1100_power_off; + + if (sa11x0pcmcia_legacy) + platform_device_register(&sa11x0pcmcia_device); + + regulator_has_full_constraints(); + return platform_add_devices(sa11x0_devices, ARRAY_SIZE(sa11x0_devices)); } @@ -329,6 +346,31 @@ void __init sa11x0_init_late(void) sa11x0_pm_init(); } +int __init sa11x0_register_fixed_regulator(int n, + struct fixed_voltage_config *cfg, + struct regulator_consumer_supply *supplies, unsigned num_supplies) +{ + struct regulator_init_data *id; + + cfg->init_data = id = kzalloc(sizeof(*cfg->init_data), GFP_KERNEL); + if (!cfg->init_data) + return -ENOMEM; + + if (cfg->gpio < 0) + id->constraints.always_on = 1; + id->constraints.name = cfg->supply_name; + id->constraints.min_uV = cfg->microvolts; + id->constraints.max_uV = cfg->microvolts; + id->constraints.valid_modes_mask = REGULATOR_MODE_NORMAL; + id->constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS; + id->consumer_supplies = supplies; + id->num_consumer_supplies = num_supplies; + + platform_device_register_resndata(NULL, "reg-fixed-voltage", n, + NULL, 0, cfg, sizeof(*cfg)); + return 0; +} + /* * Common I/O mapping: * diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h index 97502922a15d..5f3cb52fa6ab 100644 --- a/arch/arm/mach-sa1100/generic.h +++ b/arch/arm/mach-sa1100/generic.h @@ -47,3 +47,11 @@ static inline int sa11x0_pm_init(void) { return 0; } #endif int sa11xx_clk_init(void); + +struct gpiod_lookup_table; +void sa11x0_register_pcmcia(int socket, struct gpiod_lookup_table *); + +struct fixed_voltage_config; +struct regulator_consumer_supply; +int sa11x0_register_fixed_regulator(int n, struct fixed_voltage_config *cfg, + struct regulator_consumer_supply *supplies, unsigned num_supplies); |