From c0b868c08771ec73c8f837d44d3dc5bd9f05216f Mon Sep 17 00:00:00 2001
From: Wenyou Yang <wenyou.yang@atmel.com>
Date: Tue, 2 Feb 2016 12:46:12 +0800
Subject: [PATCH] ARM: at91: clock: add PMC_PLLICPR init function
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To avoid the duplicated code, add the PMC_PLLICPR init function.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
---
arch/arm/mach-at91/clock.c | 7 +++++++
arch/arm/mach-at91/include/mach/at91_pmc.h | 7 +++++++
arch/arm/mach-at91/include/mach/clk.h | 1 +
3 files changed, 15 insertions(+)
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index 5300d683d20..06dcbbcbe8e 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -112,3 +112,10 @@ void at91_usb_clk_init(u32 value)
writel(value, &pmc->usb);
}
+
+void at91_pllicpr_init(u32 icpr)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ writel(icpr, &pmc->pllicpr);
+}
diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h
index eb401945e9d..7684f09afcb 100644
--- a/arch/arm/mach-at91/include/mach/at91_pmc.h
+++ b/arch/arm/mach-at91/include/mach/at91_pmc.h
@@ -246,4 +246,11 @@ typedef struct at91_pmc {
#define AT91_PMC_GCKRDY (1 << 24)
#define AT91_PMC_PROTKEY 0x504d4301 /* Activation Code */
+
+/* PLL Charge Pump Current Register (PMC_PLLICPR) */
+#define AT91_PMC_ICP_PLLA(x) (((x) & 0x3) << 0)
+#define AT91_PMC_IPLL_PLLA(x) (((x) & 0x7) << 8)
+#define AT91_PMC_ICP_PLLU(x) (((x) & 0x3) << 16)
+#define AT91_PMC_IVCO_PLLU(x) (((x) & 0x3) << 24)
+
#endif
diff --git a/arch/arm/mach-at91/include/mach/clk.h b/arch/arm/mach-at91/include/mach/clk.h
index 64dec522369..8577c74b47b 100644
--- a/arch/arm/mach-at91/include/mach/clk.h
+++ b/arch/arm/mach-at91/include/mach/clk.h
@@ -135,5 +135,6 @@ int at91_upll_clk_disable(void);
void at91_usb_clk_init(u32 value);
int at91_pllb_clk_enable(u32 pllbr);
int at91_pllb_clk_disable(void);
+void at91_pllicpr_init(u32 icpr);
#endif /* __ASM_ARM_ARCH_CLK_H__ */
--
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