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authorLinus Torvalds <torvalds@linux-foundation.org>2017-11-16 14:05:12 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-16 14:05:12 -0800
commit8c609698569578913ad40bb160b97c3f6cfa15ec (patch)
treea8a0a3b90ec9056a05f62a1c84970b5f34a3c139 /arch/arm/mach-ep93xx
parent18c83d2c0390fd0e8336ad090a047c56037d19f5 (diff)
parentfa32475ad56d339178c9be12678906f2b39e3b47 (diff)
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann: "Most of the commits are for defconfig changes, to enable newly added drivers or features that people have started using. For the changed lines lines, we have mostly cleanups, the affected platforms are OMAP, Versatile, EP93xx, Samsung, Broadcom, i.MX, and Actions. The largest single change is the introduction of the TI "sysc" bus driver, with the intention of cleaning up more legacy code. Two new SoC platforms get added this time: - Allwinner R40 is a modernized version of the A20 chip, now with a Quad-Core ARM Cortex-A7. According to the manufacturer, it is intended for "Smart Hardware" - Broadcom Hurricane 2 (Aka Strataconnect BCM5334X) is a family of chips meant for managed gigabit ethernet switches, based around a Cortex-A9 CPU. Finally, we gain SMP support for two platforms: Renesas R-Car E2 and Amlogic Meson8/8b, which were previously added but only supported uniprocessor operation" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (118 commits) ARM: multi_v7_defconfig: Select RPMSG_VIRTIO as module ARM: multi_v7_defconfig: enable CONFIG_GPIO_UNIPHIER arm64: defconfig: enable CONFIG_GPIO_UNIPHIER ARM: meson: enable MESON_IRQ_GPIO in Kconfig for meson8b ARM: meson: Add SMP bringup code for Meson8 and Meson8b ARM: smp_scu: allow the platform code to read the SCU CPU status ARM: smp_scu: add a helper for powering on a specific CPU dt-bindings: Amlogic: Add Meson8 and Meson8b SMP related documentation ARM: OMAP3: Delete an unnecessary variable initialisation in omap3xxx_hwmod_init() ARM: OMAP3: Use common error handling code in omap3xxx_hwmod_init() ARM: defconfig: select the right SX150X driver arm64: defconfig: Enable QCOM_IOMMU arm64: Add ThunderX drivers to defconfig arm64: defconfig: Enable Tegra PCI controller cpufreq: imx6q: Move speed grading check to cpufreq driver arm64: defconfig: re-enable Qualcomm DB410c USB ARM: configs: stm32: Add MDMA support in STM32 defconfig ARM: imx: Enable cpuidle for i.MX6DL starting at 1.1 bus: ti-sysc: Fix unbalanced pm_runtime_enable by adding remove bus: ti-sysc: mark PM functions as __maybe_unused ...
Diffstat (limited to 'arch/arm/mach-ep93xx')
-rw-r--r--arch/arm/mach-ep93xx/simone.c54
-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c46
-rw-r--r--arch/arm/mach-ep93xx/ts72xx.h3
3 files changed, 38 insertions, 65 deletions
diff --git a/arch/arm/mach-ep93xx/simone.c b/arch/arm/mach-ep93xx/simone.c
index e61f3dee24c2..41aa57581356 100644
--- a/arch/arm/mach-ep93xx/simone.c
+++ b/arch/arm/mach-ep93xx/simone.c
@@ -42,60 +42,12 @@ static struct ep93xxfb_mach_info __initdata simone_fb_info = {
.flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING,
};
-/*
- * GPIO lines used for MMC card detection.
- */
-#define MMC_CARD_DETECT_GPIO EP93XX_GPIO_LINE_EGPIO0
-
-/*
- * MMC card detection GPIO setup.
- */
-
-static int simone_mmc_spi_init(struct device *dev,
- irqreturn_t (*irq_handler)(int, void *), void *mmc)
-{
- unsigned int gpio = MMC_CARD_DETECT_GPIO;
- int irq, err;
-
- err = gpio_request(gpio, dev_name(dev));
- if (err)
- return err;
-
- err = gpio_direction_input(gpio);
- if (err)
- goto fail;
-
- irq = gpio_to_irq(gpio);
- if (irq < 0)
- goto fail;
-
- err = request_irq(irq, irq_handler, IRQF_TRIGGER_FALLING,
- "MMC card detect", mmc);
- if (err)
- goto fail;
-
- printk(KERN_INFO "%s: using irq %d for MMC card detection\n",
- dev_name(dev), irq);
-
- return 0;
-fail:
- gpio_free(gpio);
- return err;
-}
-
-static void simone_mmc_spi_exit(struct device *dev, void *mmc)
-{
- unsigned int gpio = MMC_CARD_DETECT_GPIO;
-
- free_irq(gpio_to_irq(gpio), mmc);
- gpio_free(gpio);
-}
-
static struct mmc_spi_platform_data simone_mmc_spi_data = {
- .init = simone_mmc_spi_init,
- .exit = simone_mmc_spi_exit,
.detect_delay = 500,
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .flags = MMC_SPI_USE_CD_GPIO,
+ .cd_gpio = EP93XX_GPIO_LINE_EGPIO0,
+ .cd_debounce = 1,
};
static struct spi_board_info simone_spi_devices[] __initdata = {
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 8745162ec05d..f386ebae0163 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -18,7 +18,10 @@
#include <linux/io.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.h>
+#include <linux/platform_data/spi-ep93xx.h>
+#include <mach/gpio-ep93xx.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -186,24 +189,22 @@ static struct platform_device ts72xx_rtc_device = {
.num_resources = ARRAY_SIZE(ts72xx_rtc_resources),
};
+/*************************************************************************
+ * Watchdog (in CPLD)
+ *************************************************************************/
+#define TS72XX_WDT_CONTROL_PHYS_BASE (EP93XX_CS2_PHYS_BASE + 0x03800000)
+#define TS72XX_WDT_FEED_PHYS_BASE (EP93XX_CS2_PHYS_BASE + 0x03c00000)
+
static struct resource ts72xx_wdt_resources[] = {
- {
- .start = TS72XX_WDT_CONTROL_PHYS_BASE,
- .end = TS72XX_WDT_CONTROL_PHYS_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = TS72XX_WDT_FEED_PHYS_BASE,
- .end = TS72XX_WDT_FEED_PHYS_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
+ DEFINE_RES_MEM(TS72XX_WDT_CONTROL_PHYS_BASE, 0x01),
+ DEFINE_RES_MEM(TS72XX_WDT_FEED_PHYS_BASE, 0x01),
};
static struct platform_device ts72xx_wdt_device = {
.name = "ts72xx-wdt",
.id = -1,
- .num_resources = ARRAY_SIZE(ts72xx_wdt_resources),
.resource = ts72xx_wdt_resources,
+ .num_resources = ARRAY_SIZE(ts72xx_wdt_resources),
};
static struct ep93xx_eth_data __initdata ts72xx_eth_data = {
@@ -232,6 +233,27 @@ static struct platform_device ts73xx_fpga_device = {
#endif
+/*************************************************************************
+ * SPI Bus
+ *************************************************************************/
+static struct spi_board_info ts72xx_spi_devices[] __initdata = {
+ {
+ .modalias = "tmp122",
+ .max_speed_hz = 2 * 1000 * 1000,
+ .bus_num = 0,
+ .chip_select = 0,
+ },
+};
+
+static int ts72xx_spi_chipselects[] __initdata = {
+ EP93XX_GPIO_LINE_F(2), /* DIO_17 */
+};
+
+static struct ep93xx_spi_info ts72xx_spi_info __initdata = {
+ .chipselect = ts72xx_spi_chipselects,
+ .num_chipselect = ARRAY_SIZE(ts72xx_spi_chipselects),
+};
+
static void __init ts72xx_init_machine(void)
{
ep93xx_init_devices();
@@ -244,6 +266,8 @@ static void __init ts72xx_init_machine(void)
if (board_is_ts7300())
platform_device_register(&ts73xx_fpga_device);
#endif
+ ep93xx_register_spi(&ts72xx_spi_info, ts72xx_spi_devices,
+ ARRAY_SIZE(ts72xx_spi_devices));
}
MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
diff --git a/arch/arm/mach-ep93xx/ts72xx.h b/arch/arm/mach-ep93xx/ts72xx.h
index b89850f1a965..8a3206a54b39 100644
--- a/arch/arm/mach-ep93xx/ts72xx.h
+++ b/arch/arm/mach-ep93xx/ts72xx.h
@@ -39,9 +39,6 @@
#define TS72XX_OPTIONS2_TS9420 0x04
#define TS72XX_OPTIONS2_TS9420_BOOT 0x02
-#define TS72XX_WDT_CONTROL_PHYS_BASE 0x23800000
-#define TS72XX_WDT_FEED_PHYS_BASE 0x23c00000
-
#ifndef __ASSEMBLY__
static inline int ts72xx_model(void)