ARM: uniphier: add clock/reset settings for xHCI of ProXstream2
Deassert resets and enable clock signals of xHCI blocks if the
corresponding CONFIG is enabled.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/clk/clk-pxs2.c b/arch/arm/mach-uniphier/clk/clk-pxs2.c
index 76bf856..0d92405 100644
--- a/arch/arm/mach-uniphier/clk/clk-pxs2.c
+++ b/arch/arm/mach-uniphier/clk/clk-pxs2.c
@@ -4,6 +4,7 @@
* SPDX-License-Identifier: GPL-2.0+
*/
+#include <linux/bitops.h>
#include <linux/io.h>
#include "../init.h"
@@ -32,12 +33,16 @@
tmp |= SC_RSTCTRL2_NRST_USB3B1;
writel(tmp, SC_RSTCTRL2);
readl(SC_RSTCTRL2); /* dummy read */
+
+ tmp = readl(SC_RSTCTRL6);
+ tmp |= 0x37;
+ writel(tmp, SC_RSTCTRL6);
#endif
/* provide clocks */
tmp = readl(SC_CLKCTRL);
#ifdef CONFIG_USB_XHCI_UNIPHIER
- tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
+ tmp |= BIT(20) | BIT(19) | SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
SC_CLKCTRL_CEN_GIO;
#endif
#ifdef CONFIG_UNIPHIER_ETH