From: Sylvain Lemieux <slemieux.tyco-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
arnd-r2nGTMty4D4@public.gmane.org,
vz-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org
Cc: stigge-uj/7R2tJ6VmzQB+pC5nmwQ@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH v2 3/3] ARM: dts: lpc32xx: disabled ssp0/spi1 & ssp1/spi2 by default
Date: Wed, 20 Apr 2016 09:21:00 -0400 [thread overview]
Message-ID: <1461158460-2946-4-git-send-email-slemieux.tyco@gmail.com> (raw)
In-Reply-To: <1461158460-2946-1-git-send-email-slemieux.tyco-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
From: Sylvain Lemieux <slemieux-1xCVI8+nB4ZBDgjK7y7TUQ@public.gmane.org>
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-1xCVI8+nB4ZBDgjK7y7TUQ@public.gmane.org>
---
arch/arm/boot/dts/lpc32xx.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
index 1b2f351..73c4746 100644
--- a/arch/arm/boot/dts/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/lpc32xx.dtsi
@@ -162,32 +162,44 @@
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 {
compatible = "nxp,lpc3220-spi";
reg = <0x20088000 0x1000>;
clocks = <&clk LPC32XX_CLK_SPI1>;
+ 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 {
compatible = "nxp,lpc3220-spi";
reg = <0x20090000 0x1000>;
clocks = <&clk LPC32XX_CLK_SPI2>;
+ status = "disabled";
};
i2s0: i2s@20094000 {
--
1.8.3.1
--
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next prev parent reply other threads:[~2016-04-20 13:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-20 13:20 [PATCH v2 0/3] ARM: dts: lpc32xx: update ssp / spi nodes Sylvain Lemieux
[not found] ` <1461158460-2946-1-git-send-email-slemieux.tyco-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-04-20 13:20 ` [PATCH v2 1/3] ARM: dts: lpc32xx: add clock properties to " Sylvain Lemieux
2016-04-20 13:20 ` [PATCH v2 2/3] ARM: dts: phy3250: enable ssp0 Sylvain Lemieux
2016-04-20 13:21 ` Sylvain Lemieux [this message]
2016-04-21 2:07 ` [PATCH v2 0/3] ARM: dts: lpc32xx: update ssp / spi nodes Vladimir Zapolskiy
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