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@ -1,6 +1,6 @@ |
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--- a/drivers/spi/Kconfig
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+++ b/drivers/spi/Kconfig
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@@ -439,6 +439,12 @@ config SPI_RT2880
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@@ -439,6 +439,12 @@
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help
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This selects a driver for the Ralink RT288x/RT305x SPI Controller.
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@ -15,7 +15,7 @@ |
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depends on ARCH_S3C24XX
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--- a/drivers/spi/Makefile
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+++ b/drivers/spi/Makefile
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@@ -46,6 +46,7 @@ obj-$(CONFIG_SPI_LM70_LLP) += spi-lm70l
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@@ -46,6 +46,7 @@
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obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mpc512x-psc.o
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obj-$(CONFIG_SPI_MPC52xx_PSC) += spi-mpc52xx-psc.o
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obj-$(CONFIG_SPI_MPC52xx) += spi-mpc52xx.o
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@ -25,7 +25,7 @@ |
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obj-$(CONFIG_SPI_OC_TINY) += spi-oc-tiny.o
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--- /dev/null
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+++ b/drivers/spi/spi-mt7621.c
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@@ -0,0 +1,315 @@
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@@ -0,0 +1,314 @@
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+/*
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+ * spi-mt7621.c -- MediaTek MT7621 SPI controller driver
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+ *
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@ -111,12 +111,11 @@ |
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+static void mt7621_spi_set_cs(struct spi_device *spi, int enable)
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+{
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+ struct mt7621_spi *rs = spidev_to_mt7621_spi(spi);
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+ u32 polar = mt7621_spi_read(rs, MT7621_SPI_POLAR);
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+ int cs = spi->chip_select;
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+ u32 polar = 0;
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+
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+ if (enable)
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+ polar |= 1;
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+ else
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+ polar &= ~1;
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+ polar = BIT(cs);
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+ mt7621_spi_write(rs, MT7621_SPI_POLAR, polar);
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+}
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+
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@ -290,7 +289,7 @@ |
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+ master->transfer_one_message = mt7621_spi_transfer_one_message;
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+ master->bits_per_word_mask = SPI_BPW_MASK(8);
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+ master->dev.of_node = pdev->dev.of_node;
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+ master->num_chipselect = 1;
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+ master->num_chipselect = 2;
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+
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+ dev_set_drvdata(&pdev->dev, master);
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+
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John Crispin
9 years ago