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

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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>
This commit is contained in:
Lee Jones
2015-04-09 16:47:00 +02:00
committed by Maxime Coquelin
parent 179340b879
commit 358764f306
1 changed files with 20 additions and 0 deletions
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20
arch/arm/boot/dts/stih407-family.dtsi
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@@ -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 @@ mmc1: sdhci@09080000 {
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>;
};
};
};