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tinker board add spi2 spidev

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This commit is contained in:
Tonymac32 2017-05-26 23:33:33 -04:00 • committed by GitHub
parent 57c507bc31
commit c746bd9a8a
1 changed files with 58 additions and 0 deletions
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58
patch/kernel/rockchip-default/103_dts_add_spidev_spi2_tinker.patch Normal file
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@ -0,0 +1,58 @@
diff --git a/arch/arm/boot/dts/rk3288-miniarm.dts b/arch/arm/boot/dts/rk3288-miniarm.dts
index c4e634c..834b4f7 100644
--- a/arch/arm/boot/dts/rk3288-miniarm.dts
+++ b/arch/arm/boot/dts/rk3288-miniarm.dts
@@ -459,6 +459,25 @@
status = "okay";
};
+&spi2 {
+ status = "okay";
+ max-freq = <50000000>;
+ spidev@0 {
+ compatible = "rockchip,spi_tinker";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ spi-cpha = <1>;
+ //spi-cpol = <1>;
+ };
+ spidev@1 {
+ compatible = "rockchip,spi_tinker";
+ reg = <1>;
+ spi-max-frequency = <50000000>;
+ spi-cpha = <1>;
+ //spi-cpol = <1>;
+ };
+};
+
&i2s {
#sound-dai-cells = <0>;
status = "okay";
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 56dd5c8..2da69c8 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -413,9 +413,9 @@
dma-names = "tx", "rx";
interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
pinctrl-names = "default";
- pinctrl-0 = <&spi2_clk &spi2_tx &spi2_rx &spi2_cs0>;
+ pinctrl-0 = <&spi2_clk &spi2_tx &spi2_rx &spi2_cs0 &spi2_cs1>;
reg = <0xff130000 0x1000>;
- #address-cells = <1>;
+ #address-cells = <2>;
#size-cells = <0>;
status = "disabled";
};
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index d0e7dfc..4b6f50c 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -695,6 +695,7 @@ static struct class *spidev_class;
static const struct of_device_id spidev_dt_ids[] = {
{ .compatible = "rohm,dh2228fv" },
{ .compatible = "lineartechnology,ltc2488" },
+ { .compatible = "rockchip,spi_tinker" },
{},
};
MODULE_DEVICE_TABLE(of, spidev_dt_ids);