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[4/8] ARM: STi: DT: STiH407: Add Device Tree node for the LPC

Message ID 1418834727-1602-5-git-send-email-lee.jones@linaro.org
State New
Headers show

Commit Message

Lee Jones Dec. 17, 2014, 4:45 p.m. UTC 
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 <david.paris@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
 arch/arm/boot/dts/stih407.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/stih407.dtsi b/arch/arm/boot/dts/stih407.dtsi
index f539627a..97cc125 100644
--- a/arch/arm/boot/dts/stih407.dtsi
+++ b/arch/arm/boot/dts/stih407.dtsi
@@ -8,6 +8,7 @@ 
  */
 #include "stih407-clock.dtsi"
 #include "stih407-pinctrl.dtsi"
+#include <dt-bindings/mfd/st-lpc.h>
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
@@ -259,5 +260,24 @@ 
 
 			status = "disabled";
 		};
+
+		/* Watchdog and Real-Time Clock */
+		lpc@8787000 {
+			compatible = "st,stih407-lpc";
+			reg = <0x8787000 0x1000>;
+			interrupts = <GIC_SPI 129 IRQ_TYPE_EDGE_RISING>;
+			clocks = <&clk_s_d3_flexgen CLK_LPC_0>;
+			timeout-sec = <120>;
+			st,syscfg = <&syscfg_core>;
+			st,lpc-mode = <ST_LPC_MODE_WDT>;
+		};
+
+		lpc@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>;
+		};
 	};
 };