This gets us a correct apb_pclk, which previously was accidentally
using the "20201000.uart" clock from clk-bcm2835.c, due to the
fallback clk_get_sys() path.
Signed-off-by: Eric Anholt <e...@anholt.net>
---
arch/arm/boot/dts/bcm2835-rpi.dtsi | 7 +++++++
arch/arm/boot/dts/bcm2835.dtsi | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi
b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index ac5f84c..53285a3 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -1,3 +1,4 @@
+#include <dt-bindings/clk/raspberrypi.h>
#include "bcm2835.dtsi"
/ {
@@ -62,3 +63,9 @@
status = "okay";
bus-width = <4>;
};
+
+&uart0 {
+ clocks = <&firmware_clocks RPI_CLOCK_UART0>,
+ <&firmware_clocks RPI_CLOCK_CORE>;
+ clock-names = "uartclk", "apb_pclk";
+};
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 32f5830..5be2862 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -92,7 +92,7 @@
#interrupt-cells = <2>;
};
- uart@7e201000 {
+ uart0: uart@7e201000 {
compatible = "brcm,bcm2835-pl011", "arm,pl011",
"arm,primecell";
reg = <0x7e201000 0x1000>;
interrupts = <2 25>;
--
2.1.4
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