diff mbox

[2/3] arm: dts: lpc32xx: disabled ssp0/spi1 & ssp1/spi2 by default

Message ID 1460636437-21764-3-git-send-email-slemieux.tyco@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sylvain Lemieux April 14, 2016, 12:20 p.m. UTC 
From: Sylvain Lemieux <slemieux@tycoint.com>

The SSP0/SPI1 and SSP1/SPI2 shared pinout and should be disable by default.

Board specific dts should enable them, as needed.

Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>
---
 arch/arm/boot/dts/lpc32xx.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
index 0b6a643..aa5cb43 100644
--- a/arch/arm/boot/dts/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/lpc32xx.dtsi
@@ -162,12 +162,17 @@ 
 			compatible = "simple-bus";
 			ranges = <0x20000000 0x20000000 0x30000000>;
 
+			/*
+			 * ssp0 and spi1 are shared pins;
+			 * enable one in your board dts, as needed.
+			 */
 			ssp0: ssp@20084000 {
 				compatible = "arm,pl022", "arm,primecell";
 				reg = <0x20084000 0x1000>;
 				interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk LPC32XX_CLK_SSP0>;
 				clock-names = "apb_pclk";
+				status = "disabled";
 			};
 
 			spi1: spi@20088000 {
@@ -175,14 +180,20 @@ 
 				reg = <0x20088000 0x1000>;
 				clocks = <&clk LPC32XX_CLK_SPI1>;
 				clock-names = "apb_pclk";
+				status = "disabled";
 			};
 
+			/*
+			 * ssp1 and spi2 are shared pins;
+			 * enable one in your board dts, as needed.
+			 */
 			ssp1: ssp@2008c000 {
 				compatible = "arm,pl022", "arm,primecell";
 				reg = <0x2008c000 0x1000>;
 				interrupts = <21 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk LPC32XX_CLK_SSP1>;
 				clock-names = "apb_pclk";
+				status = "disabled";
 			};
 
 			spi2: spi@20090000 {
@@ -190,6 +201,7 @@ 
 				reg = <0x20090000 0x1000>;
 				clocks = <&clk LPC32XX_CLK_SPI2>;
 				clock-names = "apb_pclk";
+				status = "disabled";
 			};
 
 			i2s0: i2s@20094000 {