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authorArnd Bergmann <arnd@arndb.de>2022-09-29 15:24:20 +0200
committerArnd Bergmann <arnd@arndb.de>2023-01-20 11:23:44 +0100
commitd6df7df7ae5a0f781341134e7cb24e3396f8434a (patch)
treec98fb7e4f4c740d4045ab6961e8208dda63f1699 /arch/arm/mach-pxa/corgi_pm.c
parenteede0a75b96c7cfc3a61a4b01dd3674e8742039f (diff)
ARM: pxa: remove unused board files
The majority of all pxa board files has not been touched in a long time, and no users have spoken up in favor of keeping them around. This leaves only support for the platforms that were already converted to DT, as well as the gumstix and spitz/akita/borzoi machines that work in qemu and can still be converted to DT later. Cc: Ales Bardorfer <ales@i-tech.si> Cc: Ales Snuparek <snuparek@atlas.cz> Cc: Alex Osborne <ato@meshy.org> Cc: Alex Osborne <bobofdoom@gmail.com> Cc: Dirk Opfer <dirk@opfer-online.de> Cc: Ian Molton <spyro@f2s.com> Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Michael Petchkovsky <mkpetch@internode.on.net> Cc: Nick Bane <nick@cecomputing.co.uk> Cc: Paul Parsons <lost.distance@yahoo.com> Cc: Philipp Zabel <philipp.zabel@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Sergey Lapin <slapin@ossfans.org> Cc: Tomas Cech <sleep_walker@suse.cz> Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-pxa/corgi_pm.c')
-rw-r--r--arch/arm/mach-pxa/corgi_pm.c221
1 files changed, 0 insertions, 221 deletions
diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c
deleted file mode 100644
index 555a5c1afd96..000000000000
--- a/arch/arm/mach-pxa/corgi_pm.c
+++ /dev/null
@@ -1,221 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Battery and Power Management code for the Sharp SL-C7xx
- *
- * Copyright (c) 2005 Richard Purdie
- */
-
-#include <linux/module.h>
-#include <linux/stat.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-#include <linux/gpio-pxa.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/apm-emulation.h>
-#include <linux/io.h>
-
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-
-#include "corgi.h"
-#include "pxa2xx-regs.h"
-#include "sharpsl_pm.h"
-
-#include "generic.h"
-
-#define SHARPSL_CHARGE_ON_VOLT 0x99 /* 2.9V */
-#define SHARPSL_CHARGE_ON_TEMP 0xe0 /* 2.9V */
-#define SHARPSL_CHARGE_ON_ACIN_HIGH 0x9b /* 6V */
-#define SHARPSL_CHARGE_ON_ACIN_LOW 0x34 /* 2V */
-#define SHARPSL_FATAL_ACIN_VOLT 182 /* 3.45V */
-#define SHARPSL_FATAL_NOACIN_VOLT 170 /* 3.40V */
-
-static struct gpio charger_gpios[] = {
- { CORGI_GPIO_ADC_TEMP_ON, GPIOF_OUT_INIT_LOW, "ADC Temp On" },
- { CORGI_GPIO_CHRG_ON, GPIOF_OUT_INIT_LOW, "Charger On" },
- { CORGI_GPIO_CHRG_UKN, GPIOF_OUT_INIT_LOW, "Charger Unknown" },
- { CORGI_GPIO_AC_IN, GPIOF_IN, "Charger Detection" },
- { CORGI_GPIO_KEY_INT, GPIOF_IN, "Key Interrupt" },
- { CORGI_GPIO_WAKEUP, GPIOF_IN, "System wakeup notification" },
-};
-
-static void corgi_charger_init(void)
-{
- gpio_request_array(ARRAY_AND_SIZE(charger_gpios));
-}
-
-static void corgi_measure_temp(int on)
-{
- gpio_set_value(CORGI_GPIO_ADC_TEMP_ON, on);
-}
-
-static void corgi_charge(int on)
-{
- if (on) {
- if (machine_is_corgi() && (sharpsl_pm.flags & SHARPSL_SUSPENDED)) {
- gpio_set_value(CORGI_GPIO_CHRG_ON, 0);
- gpio_set_value(CORGI_GPIO_CHRG_UKN, 1);
- } else {
- gpio_set_value(CORGI_GPIO_CHRG_ON, 1);
- gpio_set_value(CORGI_GPIO_CHRG_UKN, 0);
- }
- } else {
- gpio_set_value(CORGI_GPIO_CHRG_ON, 0);
- gpio_set_value(CORGI_GPIO_CHRG_UKN, 0);
- }
-}
-
-static void corgi_discharge(int on)
-{
- gpio_set_value(CORGI_GPIO_DISCHARGE_ON, on);
-}
-
-static void corgi_presuspend(void)
-{
-}
-
-static void corgi_postsuspend(void)
-{
-}
-
-/*
- * Check what brought us out of the suspend.
- * Return: 0 to sleep, otherwise wake
- */
-static int corgi_should_wakeup(unsigned int resume_on_alarm)
-{
- int is_resume = 0;
-
- dev_dbg(sharpsl_pm.dev, "PEDR = %x, GPIO_AC_IN = %d, "
- "GPIO_CHRG_FULL = %d, GPIO_KEY_INT = %d, GPIO_WAKEUP = %d\n",
- PEDR, gpio_get_value(CORGI_GPIO_AC_IN),
- gpio_get_value(CORGI_GPIO_CHRG_FULL),
- gpio_get_value(CORGI_GPIO_KEY_INT),
- gpio_get_value(CORGI_GPIO_WAKEUP));
-
- if ((PEDR & GPIO_bit(CORGI_GPIO_AC_IN))) {
- if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) {
- /* charge on */
- dev_dbg(sharpsl_pm.dev, "ac insert\n");
- sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;
- } else {
- /* charge off */
- dev_dbg(sharpsl_pm.dev, "ac remove\n");
- sharpsl_pm_led(SHARPSL_LED_OFF);
- sharpsl_pm.machinfo->charge(0);
- sharpsl_pm.charge_mode = CHRG_OFF;
- }
- }
-
- if ((PEDR & GPIO_bit(CORGI_GPIO_CHRG_FULL)))
- dev_dbg(sharpsl_pm.dev, "Charge full interrupt\n");
-
- if (PEDR & GPIO_bit(CORGI_GPIO_KEY_INT))
- is_resume |= GPIO_bit(CORGI_GPIO_KEY_INT);
-
- if (PEDR & GPIO_bit(CORGI_GPIO_WAKEUP))
- is_resume |= GPIO_bit(CORGI_GPIO_WAKEUP);
-
- if (resume_on_alarm && (PEDR & PWER_RTC))
- is_resume |= PWER_RTC;
-
- dev_dbg(sharpsl_pm.dev, "is_resume: %x\n",is_resume);
- return is_resume;
-}
-
-static bool corgi_charger_wakeup(void)
-{
- return !gpio_get_value(CORGI_GPIO_AC_IN) ||
- !gpio_get_value(CORGI_GPIO_KEY_INT) ||
- !gpio_get_value(CORGI_GPIO_WAKEUP);
-}
-
-unsigned long corgipm_read_devdata(int type)
-{
- switch(type) {
- case SHARPSL_STATUS_ACIN:
- return !gpio_get_value(CORGI_GPIO_AC_IN);
- case SHARPSL_STATUS_LOCK:
- return gpio_get_value(sharpsl_pm.machinfo->gpio_batlock);
- case SHARPSL_STATUS_CHRGFULL:
- return gpio_get_value(sharpsl_pm.machinfo->gpio_batfull);
- case SHARPSL_STATUS_FATAL:
- return gpio_get_value(sharpsl_pm.machinfo->gpio_fatal);
- case SHARPSL_ACIN_VOLT:
- return sharpsl_pm_pxa_read_max1111(MAX1111_ACIN_VOLT);
- case SHARPSL_BATT_TEMP:
- return sharpsl_pm_pxa_read_max1111(MAX1111_BATT_TEMP);
- case SHARPSL_BATT_VOLT:
- default:
- return sharpsl_pm_pxa_read_max1111(MAX1111_BATT_VOLT);
- }
-}
-
-static struct sharpsl_charger_machinfo corgi_pm_machinfo = {
- .init = corgi_charger_init,
- .exit = NULL,
- .gpio_batlock = CORGI_GPIO_BAT_COVER,
- .gpio_acin = CORGI_GPIO_AC_IN,
- .gpio_batfull = CORGI_GPIO_CHRG_FULL,
- .discharge = corgi_discharge,
- .charge = corgi_charge,
- .measure_temp = corgi_measure_temp,
- .presuspend = corgi_presuspend,
- .postsuspend = corgi_postsuspend,
- .read_devdata = corgipm_read_devdata,
- .charger_wakeup = corgi_charger_wakeup,
- .should_wakeup = corgi_should_wakeup,
-#if defined(CONFIG_LCD_CORGI)
- .backlight_limit = corgi_lcd_limit_intensity,
-#endif
- .charge_on_volt = SHARPSL_CHARGE_ON_VOLT,
- .charge_on_temp = SHARPSL_CHARGE_ON_TEMP,
- .charge_acin_high = SHARPSL_CHARGE_ON_ACIN_HIGH,
- .charge_acin_low = SHARPSL_CHARGE_ON_ACIN_LOW,
- .fatal_acin_volt = SHARPSL_FATAL_ACIN_VOLT,
- .fatal_noacin_volt= SHARPSL_FATAL_NOACIN_VOLT,
- .bat_levels = 40,
- .bat_levels_noac = sharpsl_battery_levels_noac,
- .bat_levels_acin = sharpsl_battery_levels_acin,
- .status_high_acin = 188,
- .status_low_acin = 178,
- .status_high_noac = 185,
- .status_low_noac = 175,
-};
-
-static struct platform_device *corgipm_device;
-
-static int corgipm_init(void)
-{
- int ret;
-
- if (!machine_is_corgi() && !machine_is_shepherd()
- && !machine_is_husky())
- return -ENODEV;
-
- corgipm_device = platform_device_alloc("sharpsl-pm", -1);
- if (!corgipm_device)
- return -ENOMEM;
-
- if (!machine_is_corgi())
- corgi_pm_machinfo.batfull_irq = 1;
-
- corgipm_device->dev.platform_data = &corgi_pm_machinfo;
- ret = platform_device_add(corgipm_device);
-
- if (ret)
- platform_device_put(corgipm_device);
-
- return ret;
-}
-
-static void corgipm_exit(void)
-{
- platform_device_unregister(corgipm_device);
-}
-
-module_init(corgipm_init);
-module_exit(corgipm_exit);