Thread (16 messages) 16 messages, 3 authors, 2015-02-18

[PATCH v2 4/9] ARM: STi: DT: STiH407: Add Device Tree node for the LPC

From: Lee Jones <hidden>
Date: 2015-01-23 09:44:08
Also in: linux-devicetree, linux-watchdog, lkml

On Fri, 23 Jan 2015, David Paris wrote:
Hi Lee,

    Just a minor remark/question,

    David

On 01/22/2015 12:56 PM, Lee Jones wrote:
quoted
On current ST platforms the LPC controls a number of functions.  This
patch enables support for the LPC Watchdog and LPC RTC devices on LPC1
and LPC2 respectively.

Signed-off-by: David Paris <redacted>
Signed-off-by: Lee Jones <redacted>
---
 arch/arm/boot/dts/stih407-family.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index 3e31d32..04448a7 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -7,6 +7,7 @@
  * publishhed by the Free Software Foundation.
  */
 #include "stih407-pinctrl.dtsi"
+#include <dt-bindings/mfd/st-lpc.h>
 #include <dt-bindings/reset-controller/stih407-resets.h>
 / {
 	#address-cells = <1>;
@@ -274,5 +275,24 @@
 			status = "disabled";
 		};
+
+		/* Watchdog and Real-Time Clock */
+		lpc at 8787000 {
+			compatible = "st,stih407-lpc";
+			reg = <0x8787000 0x1000>;
+			interrupts = <GIC_SPI 129 IRQ_TYPE_EDGE_RISING>;
In case of Watchdog, "interrupt" property is not used. So I think we
can remove it ?
Sure thing.
quoted
+			clocks = <&clk_s_d3_flexgen CLK_LPC_0>;
+			timeout-sec = <120>;
+			st,syscfg = <&syscfg_core>;
+			st,lpc-mode = <ST_LPC_MODE_WDT>;
+		};
+
+		lpc at 8788000 {
+			compatible = "st,stih407-lpc";
+			reg = <0x8788000 0x1000>;
+			interrupts = <GIC_SPI 130 IRQ_TYPE_EDGE_RISING>;
+			clocks = <&clk_s_d3_flexgen CLK_LPC_1>;
+			st,lpc-mode = <ST_LPC_MODE_RTC>;
+		};
 	};
 };
-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help