[RFC PATCH v2 16/16] ARM: dts: add AM33XX SPI support
From: Matt Porter <hidden>
Date: 2012-10-11 19:04:38
Also in:
linux-arm-kernel, linux-mmc, linux-omap, linux-spi, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Adds AM33XX SPI support to the am33xx.dtsi and the BeagleBone dts. Signed-off-by: Matt Porter <redacted> --- arch/arm/boot/dts/am335x-bone.dts | 17 +++++++++++++++ arch/arm/boot/dts/am33xx.dtsi | 43 +++++++++++++++++++++++++++++++++++++ 2 files changed, 60 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
index 5510979..23edfd8 100644
--- a/arch/arm/boot/dts/am335x-bone.dts
+++ b/arch/arm/boot/dts/am335x-bone.dts@@ -18,6 +18,17 @@ reg = <0x80000000 0x10000000>; /* 256 MB */ }; + am3358_pinmux: pinmux@44e10800 { + spi1_pins: pinmux_spi1_pins { + pinctrl-single,pins = < + 0x190 0x13 /* mcasp0_aclkx.spi1_sclk, OUTPUT_PULLUP | MODE3 */ + 0x194 0x33 /* mcasp0_fsx.spi1_d0, INPUT_PULLUP | MODE3 */ + 0x198 0x13 /* mcasp0_axr0.spi1_d1, OUTPUT_PULLUP | MODE3 */ + 0x19c 0x13 /* mcasp0_ahclkr.spi1_cs0, OUTPUT_PULLUP | MODE3 */ + >; + }; + }; + ocp { uart1: serial@44e09000 { status = "okay";
@@ -84,3 +95,9 @@ &mmc1 { vmmc-supply = <&ldo3_reg>; }; + +&spi1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&spi1_pins>; +};
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index ef8e105..854235e 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi@@ -40,6 +40,15 @@ }; }; + am3358_pinmux: pinmux@44e10800 { + compatible = "pinctrl-single"; + reg = <0x44e10800 0x0238>; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-single,register-width = <32>; + pinctrl-single,function-mask = <0x7f>; + }; + /* * XXX: Use a flat representation of the AM33XX interconnect. * The real AM33XX interconnect network is quite complex.Since
@@ -260,6 +269,40 @@ status = "disabled"; }; + spi0: spi@48030000 { + compatible = "ti,omap4-mcspi"; + ti,hwmods = "spi0"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x48030000 0x400>; + interrupt-parent = <&intc>; + interrupt = <65>; + dmas = <&edma 16 + &edma 17 + &edma 18 + &edma 19>; + dma-names = "tx0", "rx0", "tx1", "rx1"; + ti,spi-num-cs = <2>; + status = "disabled"; + }; + + spi1: spi@481a0000 { + compatible = "ti,omap4-mcspi"; + ti,hwmods = "spi1"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x481a0000 0x400>; + interrupt-parent = <&intc>; + interrupt = <125>; + dmas = <&edma 42 + &edma 43 + &edma 44 + &edma 45>; + dma-names = "tx0", "rx0", "tx1", "rx1"; + ti,spi-num-cs = <2>; + status = "disabled"; + }; + wdt2: wdt@44e35000 { compatible = "ti,omap3-wdt"; ti,hwmods = "wd_timer2";
--
1.7.9.5
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