Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1402568 > unrolled thread

[PATCH 1/2] ARM: dts: TS-4800: add FPGA's IRQ controller support

Started byDamien Riegel <damien.riegel@savoirfairelinux.com>
First post2016-05-17 22:20 +0200
Last post2016-05-17 22:20 +0200
Articles 2 — 1 participant

Back to article view | Back to linux.kernel


Contents

  [PATCH 1/2] ARM: dts: TS-4800: add FPGA's IRQ controller support Damien Riegel <damien.riegel@savoirfairelinux.com> - 2016-05-17 22:20 +0200
    [PATCH 2/2] ARM: dts: TS-4800: add CAN support Damien Riegel <damien.riegel@savoirfairelinux.com> - 2016-05-17 22:20 +0200

#1402568 — [PATCH 1/2] ARM: dts: TS-4800: add FPGA's IRQ controller support

FromDamien Riegel <damien.riegel@savoirfairelinux.com>
Date2016-05-17 22:20 +0200
Subject[PATCH 1/2] ARM: dts: TS-4800: add FPGA's IRQ controller support
Message-ID<rzTDb-L2-1@gated-at.bofh.it>
Enable FPGA's IRQ controller. It is in charge of dispatching interrupts
generated by IPs in the FPGA. The SoC is notified that an interrupt
occurred through a GPIO.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
---
 arch/arm/boot/dts/imx51-ts4800.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/imx51-ts4800.dts b/arch/arm/boot/dts/imx51-ts4800.dts
index 0ff76a1..2c89988 100644
--- a/arch/arm/boot/dts/imx51-ts4800.dts
+++ b/arch/arm/boot/dts/imx51-ts4800.dts
@@ -149,6 +149,19 @@
 		#size-cells = <1>;
 		ranges = <0 0 0 0x1d000>;
 
+		fpga_irqc: fpga_irqc@0,15000 {
+			compatible = "technologic,ts4800-irqc";
+			reg = <0x15000 0x1000>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_interrupt_fpga>;
+
+			interrupt-parent = <&gpio2>;
+			interrupts= <9 IRQ_TYPE_LEVEL_HIGH>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
 		syscon: syscon@b0010000 {
 			compatible = "syscon", "simple-mfd";
 			reg = <0x10000 0x3d>;
@@ -228,6 +241,12 @@
 		>;
 	};
 
+	pinctrl_interrupt_fpga: fpgaicgrp {
+		fsl,pins = <
+			MX51_PAD_EIM_D27__GPIO2_9		0xe5
+		>;
+	};
+
 	pinctrl_lcd: lcdgrp {
 		fsl,pins = <
 			MX51_PAD_DISP1_DAT0__DISP1_DAT0		0x5
-- 
2.5.0

[toc] | [next] | [standalone]


#1402569 — [PATCH 2/2] ARM: dts: TS-4800: add CAN support

FromDamien Riegel <damien.riegel@savoirfairelinux.com>
Date2016-05-17 22:20 +0200
Subject[PATCH 2/2] ARM: dts: TS-4800: add CAN support
Message-ID<rzTDb-L2-11@gated-at.bofh.it>
In reply to#1402568
This enables support for the CAN controller located in the FPGA.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
---
 arch/arm/boot/dts/imx51-ts4800.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/imx51-ts4800.dts b/arch/arm/boot/dts/imx51-ts4800.dts
index 2c89988..41be82e 100644
--- a/arch/arm/boot/dts/imx51-ts4800.dts
+++ b/arch/arm/boot/dts/imx51-ts4800.dts
@@ -149,6 +149,16 @@
 		#size-cells = <1>;
 		ranges = <0 0 0 0x1d000>;
 
+		can@0,1a000 {
+			compatible = "technologic,sja1000";
+			reg = <0x1a000 0x00000100>;
+			interrupt-parent = <&fpga_irqc>;
+			interrupts = <1>;
+			reg-io-width = <2>;
+			nxp,tx-output-config = <0x06>;
+			nxp,external-clock-frequency = <24000000>;
+		};
+
 		fpga_irqc: fpga_irqc@0,15000 {
 			compatible = "technologic,ts4800-irqc";
 			reg = <0x15000 0x1000>;
-- 
2.5.0

[toc] | [prev] | [standalone]


Back to top | Article view | linux.kernel


csiph-web