corstone700: set UART clocks to 32MHz
Adding support for 32MHz UART clock and selecting it as the
default UART clock
Change-Id: I9541eaff70424e85a3b5ee4820ca0e7efb040d2c
Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
diff --git a/fdts/corstone700.dts b/fdts/corstone700.dts
index 16cf412..8c3bd0c 100644
--- a/fdts/corstone700.dts
+++ b/fdts/corstone700.dts
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2019, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -68,14 +68,21 @@
clock-output-names = "smclk";
};
+ uartclk: uartclk {
+ /* UART clock - 32MHz */
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32000000>;
+ clock-output-names = "uartclk";
+ };
serial0: uart@1a510000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x1a510000 0x1000>;
interrupt-parent = <&gic>;
interrupts = <0 19 4>;
- clocks = <&refclk100mhz>, <&smbclk>;
- clock-names = "apb_pclk", "smclk";
+ clocks = <&uartclk>, <&refclk100mhz>;
+ clock-names = "uartclk", "apb_pclk";
};
serial1: uart@1a520000 {
@@ -83,8 +90,8 @@
reg = <0x1a520000 0x1000>;
interrupt-parent = <&gic>;
interrupts = <0 20 4>;
- clocks = <&refclk100mhz>, <&smbclk>;
- clock-names = "apb_pclk", "smclk";
+ clocks = <&uartclk>, <&refclk100mhz>;
+ clock-names = "uartclk", "apb_pclk";
};
timer {