[PATCH 7/8] ARM: sa1100/shannon: convert to generic CF sockets
Russell King
rmk+kernel at armlinux.org.uk
Fri Mar 16 12:57:10 PDT 2018
Convert shannon to use the generic CF socket support.
Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>
---
arch/arm/mach-sa1100/Kconfig | 2 +
arch/arm/mach-sa1100/shannon.c | 38 +++++++++++++++
drivers/pcmcia/Makefile | 1 -
drivers/pcmcia/sa1100_generic.c | 3 --
drivers/pcmcia/sa1100_generic.h | 1 -
drivers/pcmcia/sa1100_shannon.c | 104 ----------------------------------------
6 files changed, 40 insertions(+), 109 deletions(-)
delete mode 100644 drivers/pcmcia/sa1100_shannon.c
diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig
index 5ca5847d89cc..fde7ef1ab192 100644
--- a/arch/arm/mach-sa1100/Kconfig
+++ b/arch/arm/mach-sa1100/Kconfig
@@ -139,6 +139,8 @@ config SA1100_PLEB
config SA1100_SHANNON
bool "Shannon"
select ARM_SA1100_CPUFREQ
+ select REGULATOR
+ select REGULATOR_FIXED_VOLTAGE
help
The Shannon (also known as a Tuxscreen, and also as a IS2630) was a
limited edition webphone produced by Philips. The Shannon is a SA1100
diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c
index 856664c783d9..22f7fe0b809f 100644
--- a/arch/arm/mach-sa1100/shannon.c
+++ b/arch/arm/mach-sa1100/shannon.c
@@ -5,11 +5,14 @@
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/gpio/machine.h>
#include <linux/kernel.h>
#include <linux/platform_data/sa11x0-serial.h>
#include <linux/tty.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
#include <video/sa1100fb.h>
@@ -72,8 +75,43 @@ static struct sa1100fb_mach_info shannon_lcd_info = {
.lccr3 = LCCR3_ACBsDiv(512),
};
+static struct gpiod_lookup_table shannon_pcmcia0_gpio_table = {
+ .dev_id = "sa11x0-pcmcia.0",
+ .table = {
+ GPIO_LOOKUP("gpio", 24, "detect", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio", 26, "ready", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct gpiod_lookup_table shannon_pcmcia1_gpio_table = {
+ .dev_id = "sa11x0-pcmcia.1",
+ .table = {
+ GPIO_LOOKUP("gpio", 25, "detect", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio", 27, "ready", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct regulator_consumer_supply shannon_cf_vcc_consumers[] = {
+ REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.0"),
+ REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.1"),
+};
+
+static struct fixed_voltage_config shannon_cf_vcc_pdata __initdata = {
+ .supply_name = "cf-power",
+ .microvolts = 3300000,
+ .enabled_at_boot = 1,
+ .gpio = -EINVAL,
+};
+
static void __init shannon_init(void)
{
+ sa11x0_register_fixed_regulator(0, &shannon_cf_vcc_pdata,
+ shannon_cf_vcc_consumers,
+ ARRAY_SIZE(shannon_cf_vcc_consumers));
+ sa11x0_register_pcmcia(0, &shannon_pcmcia0_gpio_table);
+ sa11x0_register_pcmcia(1, &shannon_pcmcia1_gpio_table);
sa11x0_ppc_configure_mcp();
sa11x0_register_lcd(&shannon_lcd_info);
sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index da31af9b3158..e7689e999727 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -50,7 +50,6 @@ sa1100_cs-$(CONFIG_SA1100_COLLIE) += pxa2xx_sharpsl.o
sa1100_cs-$(CONFIG_SA1100_H3100) += sa1100_h3600.o
sa1100_cs-$(CONFIG_SA1100_H3600) += sa1100_h3600.o
sa1100_cs-$(CONFIG_SA1100_NANOENGINE) += sa1100_nanoengine.o
-sa1100_cs-$(CONFIG_SA1100_SHANNON) += sa1100_shannon.o
sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o
pxa2xx_cm_x2xx_cs-y += pxa2xx_cm_x2xx.o pxa2xx_cm_x255.o pxa2xx_cm_x270.o
diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c
index 59a670f330b7..47b060c57418 100644
--- a/drivers/pcmcia/sa1100_generic.c
+++ b/drivers/pcmcia/sa1100_generic.c
@@ -101,9 +101,6 @@ static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
pcmcia_h3600_init,
#endif
-#ifdef CONFIG_SA1100_SHANNON
- pcmcia_shannon_init,
-#endif
#ifdef CONFIG_SA1100_SIMPAD
pcmcia_simpad_init,
#endif
diff --git a/drivers/pcmcia/sa1100_generic.h b/drivers/pcmcia/sa1100_generic.h
index 1e255c173cd8..7b7cdcd20187 100644
--- a/drivers/pcmcia/sa1100_generic.h
+++ b/drivers/pcmcia/sa1100_generic.h
@@ -14,7 +14,6 @@ extern int pcmcia_graphicsmaster_init(struct device *);
extern int pcmcia_h3600_init(struct device *);
extern int pcmcia_pangolin_init(struct device *);
extern int pcmcia_pfs168_init(struct device *);
-extern int pcmcia_shannon_init(struct device *);
extern int pcmcia_simpad_init(struct device *);
extern int pcmcia_stork_init(struct device *);
extern int pcmcia_system3_init(struct device *);
diff --git a/drivers/pcmcia/sa1100_shannon.c b/drivers/pcmcia/sa1100_shannon.c
deleted file mode 100644
index 0e52a575986e..000000000000
--- a/drivers/pcmcia/sa1100_shannon.c
+++ /dev/null
@@ -1,104 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * drivers/pcmcia/sa1100_shannon.c
- *
- * PCMCIA implementation routines for Shannon
- *
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <mach/shannon.h>
-#include <asm/irq.h>
-#include "sa1100_generic.h"
-
-static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
-{
- /* All those are inputs */
- GAFR &= ~(GPIO_GPIO(SHANNON_GPIO_EJECT_0) |
- GPIO_GPIO(SHANNON_GPIO_EJECT_1) |
- GPIO_GPIO(SHANNON_GPIO_RDY_0) |
- GPIO_GPIO(SHANNON_GPIO_RDY_1));
-
- if (skt->nr == 0) {
- skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_0;
- skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_0";
- skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_0;
- skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_0";
- } else {
- skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_1;
- skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_1";
- skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_1;
- skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_1";
- }
-
- return 0;
-}
-
-static void
-shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
- struct pcmcia_state *state)
-{
- switch (skt->nr) {
- case 0:
- state->bvd1 = 1;
- state->bvd2 = 1;
- state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */
- state->vs_Xv = 0;
- break;
-
- case 1:
- state->bvd1 = 1;
- state->bvd2 = 1;
- state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */
- state->vs_Xv = 0;
- break;
- }
-}
-
-static int
-shannon_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
- const socket_state_t *state)
-{
- switch (state->Vcc) {
- case 0: /* power off */
- printk(KERN_WARNING "%s(): CS asked for 0V, still applying 3.3V..\n", __func__);
- break;
- case 50:
- printk(KERN_WARNING "%s(): CS asked for 5V, applying 3.3V..\n", __func__);
- case 33:
- break;
- default:
- printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
- __func__, state->Vcc);
- return -1;
- }
-
- printk(KERN_WARNING "%s(): Warning, Can't perform reset\n", __func__);
-
- /* Silently ignore Vpp, output enable, speaker enable. */
-
- return 0;
-}
-
-static struct pcmcia_low_level shannon_pcmcia_ops = {
- .owner = THIS_MODULE,
- .hw_init = shannon_pcmcia_hw_init,
- .socket_state = shannon_pcmcia_socket_state,
- .configure_socket = shannon_pcmcia_configure_socket,
-};
-
-int pcmcia_shannon_init(struct device *dev)
-{
- int ret = -ENODEV;
-
- if (machine_is_shannon())
- ret = sa11xx_drv_pcmcia_probe(dev, &shannon_pcmcia_ops, 0, 2);
-
- return ret;
-}
--
2.7.4
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