projects/linux·commit 5ce7aba9

Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

5ce7aba9 · Linus Torvalds <[email protected]> · 2013-02-21 15:12:17 -08:00

Pull ARM SoC driver specific changes from Arnd Bergmann:

 - Updates to the ux500 cpufreq code

 - Moving the u300 DMA controller driver to drivers/dma

 - Moving versatile express drivers out of arch/arm for sharing with arch/arm64

 - Device tree bindings for the OMAP General Purpose Memory Controller

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (27 commits)
  ARM: OMAP2+: gpmc: Add device tree documentation for elm handle
  ARM: OMAP2+: gpmc: add DT bindings for OneNAND
  ARM: OMAP2+: gpmc-onenand: drop __init annotation
  mtd: omap-onenand: pass device_node in platform data
  ARM: OMAP2+: Prevent potential crash if GPMC probe fails
  ARM: OMAP2+: gpmc: Remove unneeded of_node_put()
  arm: Move sp810.h to include/linux/amba/
  ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND
  ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs
  ARM: OMAP: gpmc-nand: drop __init annotation
  mtd: omap-nand: pass device_node in platform data
  ARM: OMAP: gpmc: don't create devices from initcall on DT
  dma: coh901318: cut down on platform data abstraction
  dma: coh901318: merge header files
  dma: coh901318: push definitions into driver
  dma: coh901318: push header down into the DMA subsystem
  dma: coh901318: skip hard-coded addresses
  dma: coh901318: remove hardcoded target addresses
  dma: coh901318: push platform data into driver
  dma: coh901318: create a proper platform data file
  ...
Commit
5ce7aba976ebdfbf467e3cbcd3a7536ebdec4b11
Parents
7ae1c76e · b6a03d04

Merge commit. Changes below are compared with the first parent: 7ae1c76e.

Changes

25 files changed · +1880 −1544

FileStatusAddDelContent
Documentation/devicetree/bindings/bus/ti-gpmc.txtadded+84−0View file
Documentation/devicetree/bindings/mtd/gpmc-nand.txtadded+80−0View file
Documentation/devicetree/bindings/mtd/gpmc-onenand.txtadded+43−0View file
arch/arm/mach-omap2/gpmc-nand.cmodified+8−7View file
arch/arm/mach-omap2/gpmc-onenand.cmodified+1−1View file
arch/arm/mach-omap2/gpmc.cmodified+231−1View file
arch/arm/mach-u300/core.cmodified+1−1086View file
arch/arm/mach-u300/dma_channels.hdeleted+0−60View before deletion
arch/arm/mach-u300/include/mach/coh901318.hdeleted+0−267View before deletion
arch/arm/mach-u300/spi.cmodified+1−2View file
arch/arm/plat-spear/restart.cmodified+1−1View file
drivers/clk/versatile/clk-vexpress.cmodified+1−2View file
drivers/clocksource/nomadik-mtu.cmodified+11−0View file
drivers/cpufreq/Makefilemodified+1−1View file
drivers/cpufreq/db8500-cpufreq.c → drivers/cpufreq/dbx500-cpufreq.crenamed+51−50View file
drivers/dma/coh901318.cmodified+1252−50View file
drivers/dma/coh901318_lli.h → drivers/dma/coh901318.hrenamed+26−9View file
drivers/dma/coh901318_lli.cmodified+2−2View file
drivers/mfd/db8500-prcmu.cmodified+2−2View file
drivers/mtd/nand/omap2.cmodified+3−1View file
drivers/mtd/onenand/omap2.cmodified+3−1View file
arch/arm/include/asm/hardware/sp810.h → include/linux/amba/sp810.hrenamed+0−0View file
include/linux/platform_data/dma-coh901318.hadded+72−0View file
include/linux/platform_data/mtd-nand-omap2.hmodified+3−1View file
include/linux/platform_data/mtd-onenand-omap2.hmodified+3−0View file

Only the first 600 diff lines are shown. Download the complete patch.

Documentation/devicetree/bindings/bus/ti-gpmc.txt

View file
diff --git a/Documentation/devicetree/bindings/bus/ti-gpmc.txt b/Documentation/devicetree/bindings/bus/ti-gpmc.txt
new file mode 100644
index 0000000..5ddb2e9
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/ti-gpmc.txt
@@ -0,0 +1,84 @@
+Device tree bindings for OMAP general purpose memory controllers (GPMC)
+
+The actual devices are instantiated from the child nodes of a GPMC node.
+
+Required properties:
+
+ - compatible: Should be set to one of the following:
+
+ ti,omap2420-gpmc (omap2420)
+ ti,omap2430-gpmc (omap2430)
+ ti,omap3430-gpmc (omap3430 & omap3630)
+ ti,omap4430-gpmc (omap4430 & omap4460 & omap543x)
+ ti,am3352-gpmc (am335x devices)
+
+ - reg: A resource specifier for the register space
+ (see the example below)
+ - ti,hwmods: Should be set to "ti,gpmc" until the DT transition is
+ completed.
+ - #address-cells: Must be set to 2 to allow memory address translation
+ - #size-cells: Must be set to 1 to allow CS address passing
+ - gpmc,num-cs: The maximum number of chip-select lines that controller
+ can support.
+ - gpmc,num-waitpins: The maximum number of wait pins that controller can
+ support.
+ - ranges: Must be set up to reflect the memory layout with four
+ integer values for each chip-select line in use:
+
+ <cs-number> 0 <physical address of mapping> <size>
+
+ Currently, calculated values derived from the contents
+ of the per-CS register GPMC_CONFIG7 (as set up by the
+ bootloader) are used for the physical address decoding.
+ As this will change in the future, filling correct
+ values here is a requirement.
+
+Timing properties for child nodes. All are optional and default to 0.
+
+ - gpmc,sync-clk: Minimum clock period for synchronous mode, in picoseconds
+
+ Chip-select signal timings corresponding to GPMC_CONFIG2:
+ - gpmc,cs-on: Assertion time
+ - gpmc,cs-rd-off: Read deassertion time
+ - gpmc,cs-wr-off: Write deassertion time
+
+ ADV signal timings corresponding to GPMC_CONFIG3:
+ - gpmc,adv-on: Assertion time
+ - gpmc,adv-rd-off: Read deassertion time
+ - gpmc,adv-wr-off: Write deassertion time
+
+ WE signals timings corresponding to GPMC_CONFIG4:
+ - gpmc,we-on: Assertion time
+ - gpmc,we-off: Deassertion time
+
+ OE signals timings corresponding to GPMC_CONFIG4:
+ - gpmc,oe-on: Assertion time
+ - gpmc,oe-off: Deassertion time
+
+ Access time and cycle time timings corresponding to GPMC_CONFIG5:
+ - gpmc,page-burst-access: Multiple access word delay
+ - gpmc,access: Start-cycle to first data valid delay
+ - gpmc,rd-cycle: Total read cycle time
+ - gpmc,wr-cycle: Total write cycle time
+
+The following are only applicable to OMAP3+ and AM335x:
+ - gpmc,wr-access
+ - gpmc,wr-data-mux-bus
+
+
+Example for an AM33xx board:
+
+ gpmc: gpmc@50000000 {
+ compatible = "ti,am3352-gpmc";
+ ti,hwmods = "gpmc";
+ reg = <0x50000000 0x2000>;
+ interrupts = <100>;
+
+ gpmc,num-cs = <8>;
+ gpmc,num-waitpins = <2>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges = <0 0 0x08000000 0x10000000>; /* CS0 @addr 0x8000000, size 0x10000000 */
+
+ /* child nodes go here */
+ };

Documentation/devicetree/bindings/mtd/gpmc-nand.txt

View file
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
new file mode 100644
index 0000000..e7f8d7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
@@ -0,0 +1,80 @@
+Device tree bindings for GPMC connected NANDs
+
+GPMC connected NAND (found on OMAP boards) are represented as child nodes of
+the GPMC controller with a name of "nand".
+
+All timing relevant properties as well as generic gpmc child properties are
+explained in a separate documents - please refer to
+Documentation/devicetree/bindings/bus/ti-gpmc.txt
+
+For NAND specific properties such as ECC modes or bus width, please refer to
+Documentation/devicetree/bindings/mtd/nand.txt
+
+
+Required properties:
+
+ - reg: The CS line the peripheral is connected to
+
+Optional properties:
+
+ - nand-bus-width: Set this numeric value to 16 if the hardware
+ is wired that way. If not specified, a bus
+ width of 8 is assumed.
+
+ - ti,nand-ecc-opt: A string setting the ECC layout to use. One of:
+
+ "sw" Software method (default)
+ "hw" Hardware method
+ "hw-romcode" gpmc hamming mode method & romcode layout
+ "bch4" 4-bit BCH ecc code
+ "bch8" 8-bit BCH ecc code
+
+ - elm_id: Specifies elm device node. This is required to support BCH
+ error correction using ELM module.
+
+For inline partiton table parsing (optional):
+
+ - #address-cells: should be set to 1
+ - #size-cells: should be set to 1
+
+Example for an AM33xx board:
+
+ gpmc: gpmc@50000000 {
+ compatible = "ti,am3352-gpmc";
+ ti,hwmods = "gpmc";
+ reg = <0x50000000 0x1000000>;
+ interrupts = <100>;
+ gpmc,num-cs = <8>;
+ gpmc,num-waitpins = <2>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges = <0 0 0x08000000 0x2000>; /* CS0: NAND */
+ elm_id = <&elm>;
+
+ nand@0,0 {
+ reg = <0 0 0>; /* CS0, offset 0 */
+ nand-bus-width = <16>;
+ ti,nand-ecc-opt = "bch8";
+
+ gpmc,sync-clk = <0>;
+ gpmc,cs-on = <0>;
+ gpmc,cs-rd-off = <44>;
+ gpmc,cs-wr-off = <44>;
+ gpmc,adv-on = <6>;
+ gpmc,adv-rd-off = <34>;
+ gpmc,adv-wr-off = <44>;
+ gpmc,we-off = <40>;
+ gpmc,oe-off = <54>;
+ gpmc,access = <64>;
+ gpmc,rd-cycle = <82>;
+ gpmc,wr-cycle = <82>;
+ gpmc,wr-access = <40>;
+ gpmc,wr-data-mux-bus = <0>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ /* partitions go here */
+ };
+ };
+

Documentation/devicetree/bindings/mtd/gpmc-onenand.txt

View file
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt b/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt
new file mode 100644
index 0000000..deec9da
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt
@@ -0,0 +1,43 @@
+Device tree bindings for GPMC connected OneNANDs
+
+GPMC connected OneNAND (found on OMAP boards) are represented as child nodes of
+the GPMC controller with a name of "onenand".
+
+All timing relevant properties as well as generic gpmc child properties are
+explained in a separate documents - please refer to
+Documentation/devicetree/bindings/bus/ti-gpmc.txt
+
+Required properties:
+
+ - reg: The CS line the peripheral is connected to
+
+Optional properties:
+
+ - dma-channel: DMA Channel index
+
+For inline partiton table parsing (optional):
+
+ - #address-cells: should be set to 1
+ - #size-cells: should be set to 1
+
+Example for an OMAP3430 board:
+
+ gpmc: gpmc@6e000000 {
+ compatible = "ti,omap3430-gpmc";
+ ti,hwmods = "gpmc";
+ reg = <0x6e000000 0x1000000>;
+ interrupts = <20>;
+ gpmc,num-cs = <8>;
+ gpmc,num-waitpins = <4>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ onenand@0 {
+ reg = <0 0 0>; /* CS0, offset 0 */
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ /* partitions go here */
+ };
+ };

arch/arm/mach-omap2/gpmc-nand.c

View file
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index db969a5..afc1e8c 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -89,20 +89,21 @@ static int omap2_nand_gpmc_retime(
return 0;
}
-static bool __init gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
+static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
{
/* support only OMAP3 class */
- if (!cpu_is_omap34xx()) {
+ if (!cpu_is_omap34xx() && !soc_is_am33xx()) {
pr_err("BCH ecc is not supported on this CPU\n");
return 0;
}
/*
- * For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1.
- * Other chips may be added if confirmed to work.
+ * For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1
+ * and AM33xx derivates. Other chips may be added if confirmed to work.
*/
if ((ecc_opt == OMAP_ECC_BCH4_CODE_HW) &&
- (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0))) {
+ (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0)) &&
+ (!soc_is_am33xx())) {
pr_err("BCH 4-bit mode is not supported on this CPU\n");
return 0;
}
@@ -110,8 +111,8 @@ static bool __init gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
return 1;
}
-int __init gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
- struct gpmc_timings *gpmc_t)
+int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
+ struct gpmc_timings *gpmc_t)
{
int err = 0;
struct device *dev = &gpmc_nand_device.dev;

arch/arm/mach-omap2/gpmc-onenand.c

View file
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 94a349e..fadd874 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -356,7 +356,7 @@ static int gpmc_onenand_setup(void __iomem *onenand_base, int *freq_ptr)
return ret;
}
-void __init gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
+void gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
{
int err;

arch/arm/mach-omap2/gpmc.c

View file
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 64bac53..03d7713 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -25,6 +25,10 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_mtd.h>
+#include <linux/of_device.h>
+#include <linux/mtd/nand.h>
#include <linux/platform_data/mtd-nand-omap2.h>
@@ -34,6 +38,8 @@
#include "common.h"
#include "omap_device.h"
#include "gpmc.h"
+#include "gpmc-nand.h"
+#include "gpmc-onenand.h"
#define DEVICE_NAME "omap-gpmc"
@@ -145,7 +151,8 @@ static unsigned gpmc_irq_start;
static struct resource gpmc_mem_root;
static struct resource gpmc_cs_mem[GPMC_CS_NUM];
static DEFINE_SPINLOCK(gpmc_mem_lock);
-static unsigned int gpmc_cs_map; /* flag for cs which are initialized */
+/* Define chip-selects as reserved by default until probe completes */
+static unsigned int gpmc_cs_map = ((1 << GPMC_CS_NUM) - 1);
static struct device *gpmc_dev;
static int gpmc_irq;
static resource_size_t phys_base, mem_size;
@@ -1118,9 +1125,216 @@ int gpmc_calc_timings(struct gpmc_timings *gpmc_t,
/* TODO: remove, see function definition */
gpmc_convert_ps_to_ns(gpmc_t);
+ /* Now the GPMC is initialised, unreserve the chip-selects */
+ gpmc_cs_map = 0;
+
return 0;
}
+#ifdef CONFIG_OF
+static struct of_device_id gpmc_dt_ids[] = {
+ { .compatible = "ti,omap2420-gpmc" },
+ { .compatible = "ti,omap2430-gpmc" },
+ { .compatible = "ti,omap3430-gpmc" }, /* omap3430 & omap3630 */
+ { .compatible = "ti,omap4430-gpmc" }, /* omap4430 & omap4460 & omap543x */
+ { .compatible = "ti,am3352-gpmc" }, /* am335x devices */
+ { }
+};
+MODULE_DEVICE_TABLE(of, gpmc_dt_ids);
+
+static void __maybe_unused gpmc_read_timings_dt(struct device_node *np,
+ struct gpmc_timings *gpmc_t)
+{
+ u32 val;
+
+ memset(gpmc_t, 0, sizeof(*gpmc_t));
+
+ /* minimum clock period for syncronous mode */
+ if (!of_property_read_u32(np, "gpmc,sync-clk", &val))
+ gpmc_t->sync_clk = val;
+
+ /* chip select timtings */
+ if (!of_property_read_u32(np, "gpmc,cs-on", &val))
+ gpmc_t->cs_on = val;
+
+ if (!of_property_read_u32(np, "gpmc,cs-rd-off", &val))
+ gpmc_t->cs_rd_off = val;
+
+ if (!of_property_read_u32(np, "gpmc,cs-wr-off", &val))
+ gpmc_t->cs_wr_off = val;
+
+ /* ADV signal timings */
+ if (!of_property_read_u32(np, "gpmc,adv-on", &val))
+ gpmc_t->adv_on = val;
+
+ if (!of_property_read_u32(np, "gpmc,adv-rd-off", &val))
+ gpmc_t->adv_rd_off = val;
+
+ if (!of_property_read_u32(np, "gpmc,adv-wr-off", &val))
+ gpmc_t->adv_wr_off = val;
+
+ /* WE signal timings */
+ if (!of_property_read_u32(np, "gpmc,we-on", &val))
+ gpmc_t->we_on = val;
+
+ if (!of_property_read_u32(np, "gpmc,we-off", &val))
+ gpmc_t->we_off = val;
+
+ /* OE signal timings */
+ if (!of_property_read_u32(np, "gpmc,oe-on", &val))
+ gpmc_t->oe_on = val;
+
+ if (!of_property_read_u32(np, "gpmc,oe-off", &val))
+ gpmc_t->oe_off = val;
+
+ /* access and cycle timings */
+ if (!of_property_read_u32(np, "gpmc,page-burst-access", &val))
+ gpmc_t->page_burst_access = val;
+
+ if (!of_property_read_u32(np, "gpmc,access", &val))
+ gpmc_t->access = val;
+
+ if (!of_property_read_u32(np, "gpmc,rd-cycle", &val))
+ gpmc_t->rd_cycle = val;
+
+ if (!of_property_read_u32(np, "gpmc,wr-cycle", &val))
+ gpmc_t->wr_cycle = val;
+
+ /* only for OMAP3430 */
+ if (!of_property_read_u32(np, "gpmc,wr-access", &val))
+ gpmc_t->wr_access = val;
+
+ if (!of_property_read_u32(np, "gpmc,wr-data-mux-bus", &val))
+ gpmc_t->wr_data_mux_bus = val;
+}
+
+#ifdef CONFIG_MTD_NAND
+
+static const char * const nand_ecc_opts[] = {
+ [OMAP_ECC_HAMMING_CODE_DEFAULT] = "sw",
+ [OMAP_ECC_HAMMING_CODE_HW] = "hw",
+ [OMAP_ECC_HAMMING_CODE_HW_ROMCODE] = "hw-romcode",
+ [OMAP_ECC_BCH4_CODE_HW] = "bch4",
+ [OMAP_ECC_BCH8_CODE_HW] = "bch8",
+};
+
+static int gpmc_probe_nand_child(struct platform_device *pdev,
+ struct device_node *child)
+{
+ u32 val;
+ const char *s;
+ struct gpmc_timings gpmc_t;
+ struct omap_nand_platform_data *gpmc_nand_data;
+
+ if (of_property_read_u32(child, "reg", &val) < 0) {
+ dev_err(&pdev->dev, "%s has no 'reg' property\n",
+ child->full_name);
+ return -ENODEV;
+ }
+
+ gpmc_nand_data = devm_kzalloc(&pdev->dev, sizeof(*gpmc_nand_data),
+ GFP_KERNEL);
+ if (!gpmc_nand_data)
+ return -ENOMEM;
+
+ gpmc_nand_data->cs = val;
+ gpmc_nand_data->of_node = child;
+
+ if (!of_property_read_string(child, "ti,nand-ecc-opt", &s))
+ for (val = 0; val < ARRAY_SIZE(nand_ecc_opts); val++)
+ if (!strcasecmp(s, nand_ecc_opts[val])) {
+ gpmc_nand_data->ecc_opt = val;
+ break;
+ }
+
+ val = of_get_nand_bus_width(child);
+ if (val == 16)
+ gpmc_nand_data->devsize = NAND_BUSWIDTH_16;
+
+ gpmc_read_timings_dt(child, &gpmc_t);
+ gpmc_nand_init(gpmc_nand_data, &gpmc_t);
+
+ return 0;
+}
+#else
+static int gpmc_probe_nand_child(struct platform_device *pdev,
+ struct device_node *child)
+{
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_MTD_ONENAND
+static int gpmc_probe_onenand_child(struct platform_device *pdev,
+ struct device_node *child)
+{
+ u32 val;
+ struct omap_onenand_platform_data *gpmc_onenand_data;
+
+ if (of_property_read_u32(child, "reg", &val) < 0) {
+ dev_err(&pdev->dev, "%s has no 'reg' property\n",
+ child->full_name);
+ return -ENODEV;
+ }
+
+ gpmc_onenand_data = devm_kzalloc(&pdev->dev, sizeof(*gpmc_onenand_data),
+ GFP_KERNEL);
+ if (!gpmc_onenand_data)
+ return -ENOMEM;
+
+ gpmc_onenand_data->cs = val;
+ gpmc_onenand_data->of_node = child;
+ gpmc_onenand_data->dma_channel = -1;
+
+ if (!of_property_read_u32(child, "dma-channel", &val))
+ gpmc_onenand_data->dma_channel = val;
+
+ gpmc_onenand_init(gpmc_onenand_data);
+
+ return 0;
+}
+#else
+static int gpmc_probe_onenand_child(struct platform_device *pdev,
+ struct device_node *child)
+{
+ return 0;
+}
+#endif
+
+static int gpmc_probe_dt(struct platform_device *pdev)
+{
+ int ret;
+ struct device_node *child;
+ const struct of_device_id *of_id =
+ of_match_device(gpmc_dt_ids, &pdev->dev);
+
+ if (!of_id)
+ return 0;
+
+ for_each_node_by_name(child, "nand") {
+ ret = gpmc_probe_nand_child(pdev, child);
+ if (ret < 0) {
+ of_node_put(child);
+ return ret;
+ }
+ }
+
+ for_each_node_by_name(child, "onenand") {
+ ret = gpmc_probe_onenand_child(pdev, child);
+ if (ret < 0) {
+ of_node_put(child);
+ return ret;
+ }
+ }
+ return 0;
+}
+#else
+static int gpmc_probe_dt(struct platform_device *pdev)
+{
+ return 0;
+}
+#endif
+
static int gpmc_probe(struct platform_device *pdev)
{
int rc;
@@ -1172,6 +1386,14 @@ static int gpmc_probe(struct platform_device *pdev)
if (IS_ERR_VALUE(gpmc_setup_irq()))
dev_warn(gpmc_dev, "gpmc_setup_irq failed\n");
+ rc = gpmc_probe_dt(pdev);
+ if (rc < 0) {
+ clk_disable_unprepare(gpmc_l3_clk);
+ clk_put(gpmc_l3_clk);
+ dev_err(gpmc_dev, "failed to probe DT parameters\n");
+ return rc;
+ }
+
return 0;
}
@@ -1189,6 +1411,7 @@ static struct platform_driver gpmc_driver = {
.driver = {
.name = DEVICE_NAME,
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(gpmc_dt_ids),
},
};
@@ -1212,6 +1435,13 @@ static int __init omap_gpmc_init(void)
struct platform_device *pdev;
char *oh_name = "gpmc";
+ /*
+ * if the board boots up with a populated DT, do not
+ * manually add the device from this initcall
+ */
+ if (of_have_populated_dt())
+ return -ENODEV;
+
oh = omap_hwmod_lookup(oh_name);
if (!oh) {
pr_err("Could not look up %s\n", oh_name);

arch/arm/mach-u300/core.c

View file
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 12060ae..a683d17 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -31,6 +31,7 @@
#include <linux/dma-mapping.h>
#include <linux/platform_data/clk-u300.h>
#include <linux/platform_data/pinctrl-coh901.h>
+#include <linux/platform_data/dma-coh901318.h>
#include <linux/irqchip/arm-vic.h>
#include <asm/types.h>
@@ -40,7 +41,6 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
-#include <mach/coh901318.h>
#include <mach/hardware.h>
#include <mach/syscon.h>
#include <mach/irqs.h>
@@ -49,7 +49,6 @@
#include "spi.h"
#include "i2c.h"
#include "u300-gpio.h"
-#include "dma_channels.h"
/*
* Static I/O mappings that are needed for booting the U300 platforms. The
@@ -327,1089 +326,6 @@ static struct resource dma_resource[] = {
}
};

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arch/arm/mach-u300/dma_channels.h

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arch/arm/mach-u300/include/mach/coh901318.h

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arch/arm/mach-u300/spi.c

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arch/arm/plat-spear/restart.c

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drivers/clk/versatile/clk-vexpress.c

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drivers/clocksource/nomadik-mtu.c

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drivers/cpufreq/Makefile

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drivers/cpufreq/dbx500-cpufreq.c

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drivers/dma/coh901318.c

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drivers/dma/coh901318.h

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drivers/dma/coh901318_lli.c

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drivers/mfd/db8500-prcmu.c

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drivers/mtd/nand/omap2.c

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drivers/mtd/onenand/omap2.c

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include/linux/amba/sp810.h

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include/linux/platform_data/dma-coh901318.h

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include/linux/platform_data/mtd-nand-omap2.h

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include/linux/platform_data/mtd-onenand-omap2.h

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