From 667dbcd01d35a69a0a01ecd09b9f18d9aa0efe72 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 24 May 2016 21:14:01 +0900 Subject: ARM: uniphier: add PH1-LD11 SoC support This is a low-cost ARMv8 SoC from Socionext Inc. Signed-off-by: Masahiro Yamada --- arch/arm/mach-uniphier/clk/clk-ld11.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/arm/mach-uniphier/clk/clk-ld11.c (limited to 'arch/arm/mach-uniphier/clk/clk-ld11.c') diff --git a/arch/arm/mach-uniphier/clk/clk-ld11.c b/arch/arm/mach-uniphier/clk/clk-ld11.c new file mode 100644 index 0000000000..92a07338a8 --- /dev/null +++ b/arch/arm/mach-uniphier/clk/clk-ld11.c @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2016 Socionext Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +#include "../init.h" +#include "../sg-regs.h" + +void uniphier_ld11_clk_init(void) +{ + if (readl(SG_PINMON0) & BIT(27)) { + /* if booted without stand-by MPU */ + + writel(1, SG_ETPHYPSHUT); + writel(1, SG_ETPHYCNT); + + udelay(1); /* wait for regulator level 1.1V -> 2.5V */ + + writel(3, SG_ETPHYCNT); + writel(3, SG_ETPHYPSHUT); + writel(7, SG_ETPHYCNT); + } +} -- cgit v1.2.3