Module Name: src
Committed By: jmcneill
Date: Sun May 27 19:54:46 UTC 2018
Modified Files:
src/sys/dev/fdt: dw_apb_uart.c
Log Message:
Enable apb_pclk clock if present
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/dev/fdt/dw_apb_uart.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/fdt/dw_apb_uart.c
diff -u src/sys/dev/fdt/dw_apb_uart.c:1.1 src/sys/dev/fdt/dw_apb_uart.c:1.2
--- src/sys/dev/fdt/dw_apb_uart.c:1.1 Sun May 27 17:14:23 2018
+++ src/sys/dev/fdt/dw_apb_uart.c Sun May 27 19:54:45 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: dw_apb_uart.c,v 1.1 2018/05/27 17:14:23 jmcneill Exp $ */
+/* $NetBSD: dw_apb_uart.c,v 1.2 2018/05/27 19:54:45 jmcneill Exp $ */
/*-
* Copyright (c) 2017 Jared McNeill <[email protected]>
@@ -28,7 +28,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: dw_apb_uart.c,v 1.1 2018/05/27 17:14:23 jmcneill Exp $");
+__KERNEL_RCSID(1, "$NetBSD: dw_apb_uart.c,v 1.2 2018/05/27 19:54:45 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -55,6 +55,7 @@ struct dw_apb_uart_softc {
void *ssc_ih;
struct clk *ssc_clk;
+ struct clk *ssc_pclk;
struct fdtbus_reset *ssc_rst;
};
@@ -115,6 +116,12 @@ dw_apb_uart_attach(device_t parent, devi
return;
}
+ ssc->ssc_pclk = fdtbus_clock_get(faa->faa_phandle, "apb_pclk");
+ if (ssc->ssc_pclk != NULL && clk_enable(ssc->ssc_pclk) != 0) {
+ aprint_error(": couldn't enable peripheral clock\n");
+ return;
+ }
+
ssc->ssc_rst = fdtbus_reset_get_index(faa->faa_phandle, 0);
if (ssc->ssc_rst && fdtbus_reset_deassert(ssc->ssc_rst) != 0) {
aprint_error(": couldn't de-assert reset\n");
