ARM: STi: DT: STiH407: Add Device Tree node for the LPC

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>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>

diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index 11d5c70b8d80b6d9b3f8e1071e3e622bf4c1cf00..cdee4a7799b451b2c279bc612320fdb204976882 100644 (file)
--- 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>;
@@ -451,5 +452,24 @@
                        resets = <&softreset STIH407_MMC1_SOFTRESET>;
                        bus-width = <4>;
                };
+
+               /* 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>;
+               };
        };
 };