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ARM: arm-soc device tree changes, part 2

Browse source 
These are mostly new device tree bindings for existing drivers, as well
 as changes to the device tree source files to add support for those
 devices, and a couple of new boards, most notably Samsung's Exynos5
 based Chromebook.
 
 The changes depend on earlier platform specific updates and touch
 the usual platforms: omap, exynos, tegra, mxs, mvebu and davinci.
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Merge tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree updates (part 2) from Arnd Bergmann:
 "These are mostly new device tree bindings for existing drivers, as
  well as changes to the device tree source files to add support for
  those devices, and a couple of new boards, most notably Samsung's
  Exynos5 based Chromebook.

  The changes depend on earlier platform specific updates and touch the
  usual platforms: omap, exynos, tegra, mxs, mvebu and davinci."

* tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits)
  ARM: exynos: dts: cros5250: add EC device
  ARM: dts: Add sbs-battery for exynos5250-snow
  ARM: dts: Add i2c-arbitrator bus for exynos5250-snow
  ARM: dts: add mshc controller node for Exynos4x12 SoCs
  ARM: dts: Add chip-id controller node on Exynos4/5 SoC
  ARM: EXYNOS: Create virtual I/O mapping for Chip-ID controller using device tree
  ARM: davinci: da850-evm: add SPI flash support
  ARM: davinci: da850: override SPI DT node device name
  ARM: davinci: da850: add SPI1 DT node
  spi/davinci: add DT binding documentation
  spi/davinci: no wildcards in DT compatible property
  ARM: dts: mvebu: Convert mvebu device tree files to 64 bits
  ARM: dts: mvebu: introduce internal-regs node
  ARM: dts: mvebu: Convert all the mvebu files to use the range property
  ARM: dts: mvebu: move all peripherals inside soc
  ARM: dts: mvebu: fix cpus section indentation
  ARM: davinci: da850: add EHRPWM & ECAP DT node
  ARM/dts: OMAP3: fix pinctrl-single configuration
  ARM: dts: Add OMAP3430 SDP NOR flash memory binding
  ARM: dts: Add NOR flash bindings for OMAP2420 H4
  ...
This commit is contained in:
Linus Torvalds 2013-05-07 11:06:17 -07:00
commit 38f56f33ca
143 changed files with 7751 additions and 3048 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/spi/spi-davinci.c
View file

@ -776,10 +776,10 @@ rx_dma_failed:
#if defined(CONFIG_OF)
static const struct of_device_id davinci_spi_of_match[] = {
{
.compatible = "ti,dm644x-spi",
.compatible = "ti,dm6441-spi",
},
{
.compatible = "ti,da8xx-spi",
.compatible = "ti,da830-spi",
.data = (void *)SPI_VERSION_2,
},
{ },

60
drivers/spi/spi-mxs.c
View file

@ -490,21 +490,6 @@ static int mxs_spi_transfer_one(struct spi_master *master,
return status;
}
static bool mxs_ssp_dma_filter(struct dma_chan *chan, void *param)
{
struct mxs_ssp *ssp = param;
if (!mxs_dma_is_apbh(chan))
return false;
if (chan->chan_id != ssp->dma_channel)
return false;
chan->private = &ssp->dma_data;
return true;
}
static const struct of_device_id mxs_spi_dt_ids[] = {
{ .compatible = "fsl,imx23-spi", .data = (void *) IMX23_SSP, },
{ .compatible = "fsl,imx28-spi", .data = (void *) IMX28_SSP, },
@ -520,13 +505,12 @@ static int mxs_spi_probe(struct platform_device *pdev)
struct spi_master *master;
struct mxs_spi *spi;
struct mxs_ssp *ssp;
struct resource *iores, *dmares;
struct resource *iores;
struct pinctrl *pinctrl;
struct clk *clk;
void __iomem *base;
int devid, dma_channel, clk_freq;
int ret = 0, irq_err, irq_dma;
dma_cap_mask_t mask;
int devid, clk_freq;
int ret = 0, irq_err;
/*
* Default clock speed for the SPI core. 160MHz seems to
@ -537,8 +521,7 @@ static int mxs_spi_probe(struct platform_device *pdev)
iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq_err = platform_get_irq(pdev, 0);
irq_dma = platform_get_irq(pdev, 1);
if (!iores || irq_err < 0 || irq_dma < 0)
if (!iores || irq_err < 0)
return -EINVAL;
base = devm_ioremap_resource(&pdev->dev, iores);
@ -553,32 +536,11 @@ static int mxs_spi_probe(struct platform_device *pdev)
if (IS_ERR(clk))
return PTR_ERR(clk);
if (np) {
devid = (enum mxs_ssp_id) of_id->data;
/*
* TODO: This is a temporary solution and should be changed
* to use generic DMA binding later when the helpers get in.
*/
ret = of_property_read_u32(np, "fsl,ssp-dma-channel",
&dma_channel);
if (ret) {
dev_err(&pdev->dev,
"Failed to get DMA channel\n");
return -EINVAL;
}
ret = of_property_read_u32(np, "clock-frequency",
&clk_freq);
if (ret)
clk_freq = clk_freq_default;
} else {
dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
if (!dmares)
return -EINVAL;
devid = pdev->id_entry->driver_data;
dma_channel = dmares->start;
devid = (enum mxs_ssp_id) of_id->data;
ret = of_property_read_u32(np, "clock-frequency",
&clk_freq);
if (ret)
clk_freq = clk_freq_default;
}
master = spi_alloc_master(&pdev->dev, sizeof(*spi));
if (!master)
@ -597,7 +559,6 @@ static int mxs_spi_probe(struct platform_device *pdev)
ssp->clk = clk;
ssp->base = base;
ssp->devid = devid;
ssp->dma_channel = dma_channel;
init_completion(&spi->c);
@ -606,10 +567,7 @@ static int mxs_spi_probe(struct platform_device *pdev)
if (ret)
goto out_master_free;
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
ssp->dma_data.chan_irq = irq_dma;
ssp->dmach = dma_request_channel(mask, mxs_ssp_dma_filter, ssp);
ssp->dmach = dma_request_slave_channel(&pdev->dev, "rx-tx");
if (!ssp->dmach) {
dev_err(ssp->dev, "Failed to request DMA\n");
ret = -ENODEV;