diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/001-4.12-06-spi-bcm63xx-hsspi-add-support-for-probing-through-de.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.4/001-4.12-06-spi-bcm63xx-hsspi-add-support-for-probing-through-de.patch | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/001-4.12-06-spi-bcm63xx-hsspi-add-support-for-probing-through-de.patch b/target/linux/brcm63xx/patches-4.4/001-4.12-06-spi-bcm63xx-hsspi-add-support-for-probing-through-de.patch deleted file mode 100644 index aaf4a59d17..0000000000 --- a/target/linux/brcm63xx/patches-4.4/001-4.12-06-spi-bcm63xx-hsspi-add-support-for-probing-through-de.patch +++ /dev/null @@ -1,76 +0,0 @@ -From 776041498c2b285a7f745c924e10fc11ef720eae Mon Sep 17 00:00:00 2001 -From: Jonas Gorski <jonas.gorski@gmail.com> -Date: Thu, 10 Sep 2015 14:53:53 +0200 -Subject: [PATCH 3/3] spi/bcm63xx-hsspi: allow for probing through devicetree - -Add required binding support to probe through device tree. - -Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> ---- - drivers/spi/spi-bcm63xx-hsspi.c | 23 ++++++++++++++++++++--- - 1 file changed, 20 insertions(+), 3 deletions(-) - ---- a/drivers/spi/spi-bcm63xx-hsspi.c -+++ b/drivers/spi/spi-bcm63xx-hsspi.c -@@ -19,6 +19,7 @@ - #include <linux/interrupt.h> - #include <linux/spi/spi.h> - #include <linux/mutex.h> -+#include <linux/of.h> - - #define HSSPI_GLOBAL_CTRL_REG 0x0 - #define GLOBAL_CTRL_CS_POLARITY_SHIFT 0 -@@ -91,6 +92,7 @@ - - #define HSSPI_MAX_SYNC_CLOCK 30000000 - -+#define HSSPI_SPI_MAX_CS 8 - #define HSSPI_BUS_NUM 1 /* 0 is legacy SPI */ - - struct bcm63xx_hsspi { -@@ -332,7 +334,7 @@ static int bcm63xx_hsspi_probe(struct pl - struct device *dev = &pdev->dev; - struct clk *clk; - int irq, ret; -- u32 reg, rate; -+ u32 reg, rate, num_cs = HSSPI_SPI_MAX_CS; - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { -@@ -382,8 +384,17 @@ static int bcm63xx_hsspi_probe(struct pl - mutex_init(&bs->bus_mutex); - init_completion(&bs->done); - -- master->bus_num = HSSPI_BUS_NUM; -- master->num_chipselect = 8; -+ master->dev.of_node = dev->of_node; -+ if (!dev->of_node) -+ master->bus_num = HSSPI_BUS_NUM; -+ -+ of_property_read_u32(dev->of_node, "num-cs", &num_cs); -+ if (num_cs > 8) { -+ dev_warn(dev, "unsupported number of cs (%i), reducing to 8\n", -+ num_cs); -+ num_cs = HSSPI_SPI_MAX_CS; -+ } -+ master->num_chipselect = num_cs; - master->setup = bcm63xx_hsspi_setup; - master->transfer_one_message = bcm63xx_hsspi_transfer_one; - master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | -@@ -469,10 +480,16 @@ static int bcm63xx_hsspi_resume(struct d - static SIMPLE_DEV_PM_OPS(bcm63xx_hsspi_pm_ops, bcm63xx_hsspi_suspend, - bcm63xx_hsspi_resume); - -+static const struct of_device_id bcm63xx_hsspi_of_match[] = { -+ { .compatible = "brcm,bcm6328-hsspi", }, -+ { }, -+}; -+ - static struct platform_driver bcm63xx_hsspi_driver = { - .driver = { - .name = "bcm63xx-hsspi", - .pm = &bcm63xx_hsspi_pm_ops, -+ .of_match_table = bcm63xx_hsspi_of_match, - }, - .probe = bcm63xx_hsspi_probe, - .remove = bcm63xx_hsspi_remove, |