Commit 17c49e53 authored by Mark Brown's avatar Mark Brown

Merge remote-tracking branches 'spi/topic/pxa', 'spi/topic/pxa2xx',...

Merge remote-tracking branches 'spi/topic/pxa', 'spi/topic/pxa2xx', 'spi/topic/qup', 'spi/topic/rockchip' and 'spi/topic/sh' into spi-next
......@@ -6,6 +6,7 @@ and display controllers using the SPI communication interface.
Required Properties:
- compatible: should be one of the following.
"rockchip,rv1108-spi" for rv1108 SoCs.
"rockchip,rk3036-spi" for rk3036 SoCS.
"rockchip,rk3066-spi" for rk3066 SoCs.
"rockchip,rk3188-spi" for rk3188 SoCs.
......
......@@ -517,8 +517,8 @@ config SPI_PPC4xx
config SPI_PXA2XX
tristate "PXA2xx SSP SPI master"
depends on (ARCH_PXA || PCI || ACPI)
select PXA_SSP if ARCH_PXA
depends on (ARCH_PXA || ARCH_MMP || PCI || ACPI)
select PXA_SSP if ARCH_PXA || ARCH_MMP
help
This enables using a PXA2xx or Sodaville SSP port as a SPI master
controller. The driver can be configured to use any SSP port and
......
......@@ -402,8 +402,8 @@ static void cs_assert(struct driver_data *drv_data)
return;
}
if (gpio_is_valid(chip->gpio_cs)) {
gpio_set_value(chip->gpio_cs, chip->gpio_cs_inverted);
if (chip->gpiod_cs) {
gpiod_set_value(chip->gpiod_cs, chip->gpio_cs_inverted);
return;
}
......@@ -424,8 +424,8 @@ static void cs_deassert(struct driver_data *drv_data)
return;
}
if (gpio_is_valid(chip->gpio_cs)) {
gpio_set_value(chip->gpio_cs, !chip->gpio_cs_inverted);
if (chip->gpiod_cs) {
gpiod_set_value(chip->gpiod_cs, !chip->gpio_cs_inverted);
return;
}
......@@ -1213,17 +1213,16 @@ static int setup_cs(struct spi_device *spi, struct chip_data *chip,
struct pxa2xx_spi_chip *chip_info)
{
struct driver_data *drv_data = spi_master_get_devdata(spi->master);
struct gpio_desc *gpiod;
int err = 0;
if (chip == NULL)
return 0;
if (drv_data->cs_gpiods) {
struct gpio_desc *gpiod;
gpiod = drv_data->cs_gpiods[spi->chip_select];
if (gpiod) {
chip->gpio_cs = desc_to_gpio(gpiod);
chip->gpiod_cs = gpiod;
chip->gpio_cs_inverted = spi->mode & SPI_CS_HIGH;
gpiod_set_value(gpiod, chip->gpio_cs_inverted);
}
......@@ -1237,8 +1236,10 @@ static int setup_cs(struct spi_device *spi, struct chip_data *chip,
/* NOTE: setup() can be called multiple times, possibly with
* different chip_info, release previously requested GPIO
*/
if (gpio_is_valid(chip->gpio_cs))
gpio_free(chip->gpio_cs);
if (chip->gpiod_cs) {
gpio_free(desc_to_gpio(chip->gpiod_cs));
chip->gpiod_cs = NULL;
}
/* If (*cs_control) is provided, ignore GPIO chip select */
if (chip_info->cs_control) {
......@@ -1254,11 +1255,11 @@ static int setup_cs(struct spi_device *spi, struct chip_data *chip,
return err;
}
chip->gpio_cs = chip_info->gpio_cs;
gpiod = gpio_to_desc(chip_info->gpio_cs);
chip->gpiod_cs = gpiod;
chip->gpio_cs_inverted = spi->mode & SPI_CS_HIGH;
err = gpio_direction_output(chip->gpio_cs,
!chip->gpio_cs_inverted);
err = gpiod_direction_output(gpiod, !chip->gpio_cs_inverted);
}
return err;
......@@ -1317,8 +1318,7 @@ static int setup(struct spi_device *spi)
}
chip->frm = spi->chip_select;
} else
chip->gpio_cs = -1;
}
chip->enable_dma = drv_data->master_info->enable_dma;
chip->timeout = TIMOUT_DFLT;
}
......@@ -1416,8 +1416,8 @@ static void cleanup(struct spi_device *spi)
return;
if (drv_data->ssp_type != CE4100_SSP && !drv_data->cs_gpiods &&
gpio_is_valid(chip->gpio_cs))
gpio_free(chip->gpio_cs);
chip->gpiod_cs)
gpio_free(desc_to_gpio(chip->gpiod_cs));
kfree(chip);
}
......@@ -1769,8 +1769,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
for (i = 0; i < master->num_chipselect; i++) {
struct gpio_desc *gpiod;
gpiod = devm_gpiod_get_index(dev, "cs", i,
GPIOD_OUT_HIGH);
gpiod = devm_gpiod_get_index(dev, "cs", i, GPIOD_ASIS);
if (IS_ERR(gpiod)) {
/* Means use native chip select */
if (PTR_ERR(gpiod) == -ENOENT)
......
......@@ -83,7 +83,7 @@ struct chip_data {
u16 lpss_tx_threshold;
u8 enable_dma;
union {
int gpio_cs;
struct gpio_desc *gpiod_cs;
unsigned int frm;
};
int gpio_cs_inverted;
......
This diff is collapsed.
......@@ -568,7 +568,13 @@ static void rockchip_spi_config(struct rockchip_spi *rs)
writel_relaxed(cr0, rs->regs + ROCKCHIP_SPI_CTRLR0);
if (rs->n_bytes == 1)
writel_relaxed(rs->len - 1, rs->regs + ROCKCHIP_SPI_CTRLR1);
else if (rs->n_bytes == 2)
writel_relaxed((rs->len / 2) - 1, rs->regs + ROCKCHIP_SPI_CTRLR1);
else
writel_relaxed((rs->len * 2) - 1, rs->regs + ROCKCHIP_SPI_CTRLR1);
writel_relaxed(rs->fifo_len / 2 - 1, rs->regs + ROCKCHIP_SPI_TXFTLR);
writel_relaxed(rs->fifo_len / 2 - 1, rs->regs + ROCKCHIP_SPI_RXFTLR);
......@@ -666,7 +672,7 @@ static bool rockchip_spi_can_dma(struct spi_master *master,
static int rockchip_spi_probe(struct platform_device *pdev)
{
int ret = 0;
int ret;
struct rockchip_spi *rs;
struct spi_master *master;
struct resource *mem;
......@@ -703,13 +709,13 @@ static int rockchip_spi_probe(struct platform_device *pdev)
}
ret = clk_prepare_enable(rs->apb_pclk);
if (ret) {
if (ret < 0) {
dev_err(&pdev->dev, "Failed to enable apb_pclk\n");
goto err_put_master;
}
ret = clk_prepare_enable(rs->spiclk);
if (ret) {
if (ret < 0) {
dev_err(&pdev->dev, "Failed to enable spi_clk\n");
goto err_disable_apbclk;
}
......@@ -786,7 +792,7 @@ static int rockchip_spi_probe(struct platform_device *pdev)
}
ret = devm_spi_register_master(&pdev->dev, master);
if (ret) {
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register master\n");
goto err_free_dma_rx;
}
......@@ -816,11 +822,15 @@ static int rockchip_spi_remove(struct platform_device *pdev)
struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
struct rockchip_spi *rs = spi_master_get_devdata(master);
pm_runtime_disable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
clk_disable_unprepare(rs->spiclk);
clk_disable_unprepare(rs->apb_pclk);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
if (rs->dma_tx.ch)
dma_release_channel(rs->dma_tx.ch);
if (rs->dma_rx.ch)
......@@ -834,51 +844,42 @@ static int rockchip_spi_remove(struct platform_device *pdev)
#ifdef CONFIG_PM_SLEEP
static int rockchip_spi_suspend(struct device *dev)
{
int ret = 0;
int ret;
struct spi_master *master = dev_get_drvdata(dev);
struct rockchip_spi *rs = spi_master_get_devdata(master);
ret = spi_master_suspend(rs->master);
if (ret)
if (ret < 0)
return ret;
if (!pm_runtime_suspended(dev)) {
clk_disable_unprepare(rs->spiclk);
clk_disable_unprepare(rs->apb_pclk);
}
ret = pm_runtime_force_suspend(dev);
if (ret < 0)
return ret;
pinctrl_pm_select_sleep_state(dev);
return ret;
return 0;
}
static int rockchip_spi_resume(struct device *dev)
{
int ret = 0;
int ret;
struct spi_master *master = dev_get_drvdata(dev);
struct rockchip_spi *rs = spi_master_get_devdata(master);
pinctrl_pm_select_default_state(dev);
if (!pm_runtime_suspended(dev)) {
ret = clk_prepare_enable(rs->apb_pclk);
ret = pm_runtime_force_resume(dev);
if (ret < 0)
return ret;
ret = clk_prepare_enable(rs->spiclk);
if (ret < 0) {
clk_disable_unprepare(rs->apb_pclk);
return ret;
}
}
ret = spi_master_resume(rs->master);
if (ret < 0) {
clk_disable_unprepare(rs->spiclk);
clk_disable_unprepare(rs->apb_pclk);
}
return ret;
return 0;
}
#endif /* CONFIG_PM_SLEEP */
......@@ -901,14 +902,14 @@ static int rockchip_spi_runtime_resume(struct device *dev)
struct rockchip_spi *rs = spi_master_get_devdata(master);
ret = clk_prepare_enable(rs->apb_pclk);
if (ret)
if (ret < 0)
return ret;
ret = clk_prepare_enable(rs->spiclk);
if (ret)
if (ret < 0)
clk_disable_unprepare(rs->apb_pclk);
return ret;
return 0;
}
#endif /* CONFIG_PM */
......@@ -919,6 +920,7 @@ static const struct dev_pm_ops rockchip_spi_pm = {
};
static const struct of_device_id rockchip_spi_dt_match[] = {
{ .compatible = "rockchip,rv1108-spi", },
{ .compatible = "rockchip,rk3036-spi", },
{ .compatible = "rockchip,rk3066-spi", },
{ .compatible = "rockchip,rk3188-spi", },
......
......@@ -446,8 +446,8 @@ static int spi_sh_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "platform_get_irq error\n");
return -ENODEV;
dev_err(&pdev->dev, "platform_get_irq error: %d\n", irq);
return irq;
}
master = spi_alloc_master(&pdev->dev, sizeof(struct spi_sh_data));
......
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