From: thomas.abraham@linaro.org (Thomas Abraham)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/6] ARM: dts: Add nodes for spi controllers for Samsung Exynos5 platforms
Date: Fri, 18 May 2012 15:16:32 +0530 [thread overview]
Message-ID: <1337334392-6441-7-git-send-email-thomas.abraham@linaro.org> (raw)
In-Reply-To: <1337334392-6441-1-git-send-email-thomas.abraham@linaro.org>
Add device nodes for the three instances of spi controllers in Exynos5
platforms and enable instance spi 1 for smdk5250 board.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
---
arch/arm/boot/dts/exynos5250-smdk5250.dts | 47 ++++++++++++++++++++++++++++-
arch/arm/boot/dts/exynos5250.dtsi | 46 ++++++++++++++++++++++++++++
2 files changed, 92 insertions(+), 1 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 49945cc..dca572d 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -16,12 +16,18 @@
model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
compatible = "samsung,smdk5250", "samsung,exynos5250";
+ aliases {
+ spi0 = &spi_0;
+ spi1 = &spi_1;
+ spi2 = &spi_2;
+ };
+
memory {
reg = <0x40000000 0x80000000>;
};
chosen {
- bootargs = "root=/dev/ram0 rw ramdisk=8192 console=ttySAC1,115200";
+ bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
};
i2c at 12C60000 {
@@ -48,6 +54,45 @@
};
};
+
+ spi_1: spi at 12d30000 {
+ gpios = <&gpa2 4 2 3 0>,
+ <&gpa2 6 2 3 0>,
+ <&gpa2 7 2 3 0>;
+
+ w25q80bw at 0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "w25x80";
+ reg = <0>;
+ spi-max-frequency = <10000>;
+
+ controller-data {
+ cs-gpio = <&gpa2 5 1 0 3>;
+ samsung,spi-feedback-delay = <0>;
+ };
+
+ partition at 0 {
+ label = "U-Boot";
+ reg = <0x0 0x40000>;
+ read-only;
+ };
+
+ partition at 40000 {
+ label = "Kernel";
+ reg = <0x40000 0xc0000>;
+ };
+ };
+ };
+
+ spi_0: spi at 12d20000 {
+ status = "disabled";
+ };
+
+ spi_2: spi at 12d40000 {
+ status = "disabled";
+ };
+
i2c at 12C80000 {
status = "disabled";
};
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 5ca0cdb..9d7add0 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -30,6 +30,22 @@
reg = <0x10481000 0x1000>, <0x10482000 0x2000>;
};
+ combiner:interrupt-controller at 10440000 {
+ compatible = "samsung,exynos4210-combiner";
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ samsung,combiner-nr = <32>;
+ reg = <0x10440000 0x1000>;
+ interrupts = <0 0 0>, <0 1 0>, <0 2 0>, <0 3 0>,
+ <0 4 0>, <0 5 0>, <0 6 0>, <0 7 0>,
+ <0 8 0>, <0 9 0>, <0 10 0>, <0 11 0>,
+ <0 12 0>, <0 13 0>, <0 14 0>, <0 15 0>,
+ <0 16 0>, <0 17 0>, <0 18 0>, <0 19 0>,
+ <0 20 0>, <0 21 0>, <0 22 0>, <0 23 0>,
+ <0 24 0>, <0 25 0>, <0 26 0>, <0 27 0>,
+ <0 28 0>, <0 29 0>, <0 30 0>, <0 31 0>;
+ };
+
watchdog {
compatible = "samsung,s3c2410-wdt";
reg = <0x101D0000 0x100>;
@@ -130,6 +146,36 @@
#size-cells = <0>;
};
+ spi_0: spi at 12d20000 {
+ compatible = "samsung,exynos4210-spi";
+ reg = <0x12d20000 0x100>;
+ interrupts = <0 66 0>;
+ tx-dma-channel = <&pdma0 5>;
+ rx-dma-channel = <&pdma0 4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ spi_1: spi at 12d30000 {
+ compatible = "samsung,exynos4210-spi";
+ reg = <0x12d30000 0x100>;
+ interrupts = <0 67 0>;
+ tx-dma-channel = <&pdma1 5>;
+ rx-dma-channel = <&pdma1 4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ spi_2: spi at 12d40000 {
+ compatible = "samsung,exynos4210-spi";
+ reg = <0x12d40000 0x100>;
+ interrupts = <0 68 0>;
+ tx-dma-channel = <&pdma0 7>;
+ rx-dma-channel = <&pdma0 6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
amba {
#address-cells = <1>;
#size-cells = <1>;
--
1.6.6.rc2
next prev parent reply other threads:[~2012-05-18 9:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-18 9:46 [PATCH 0/6] ARM: Exynos: Enable SPI platform support for Exynos4 and Exynos5 Thomas Abraham
2012-05-18 9:46 ` [PATCH 1/6] ARM: Exynos4: Fix the incorrect hierarchy of spi controller bus clock Thomas Abraham
2012-05-24 7:27 ` Kukjin Kim
2012-05-24 9:00 ` Thomas Abraham
2012-05-18 9:46 ` [PATCH 2/6] ARM: Exynos5: Add spi clock support Thomas Abraham
2012-05-24 7:30 ` Kukjin Kim
2012-05-24 9:04 ` Thomas Abraham
2012-05-18 9:46 ` [PATCH 3/6] ARM: Exynos4: Enable platform support for SPI controllers Thomas Abraham
2012-05-18 9:46 ` [PATCH 4/6] ARM: Exynos5: " Thomas Abraham
2012-05-18 9:46 ` [PATCH 5/6] ARM: dts: Add nodes for spi controllers for Samsung Exynos4 platforms Thomas Abraham
2012-05-24 7:43 ` Kukjin Kim
2012-05-24 9:07 ` Thomas Abraham
2012-05-18 9:46 ` Thomas Abraham [this message]
2012-05-23 9:50 ` [PATCH 6/6] ARM: dts: Add nodes for spi controllers for Samsung Exynos5 platforms padma venkat
2012-05-24 7:49 ` Kukjin Kim
2012-05-24 9:09 ` Thomas Abraham
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