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Commit 0c672aae authored by Shawn Guo's avatar Shawn Guo
Browse files

clk: mxs: remove the use of mach level IO accessor



It removes the use of mach level IO accessor __mxs_setl/clrl, and hence
removes mach header inclusion from clock driver.

Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
Acked-by: default avatarMike Turquette <mturquette@linaro.org>
parent 38d6590f
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+5 −6
Original line number Diff line number Diff line
@@ -16,7 +16,6 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <mach/mx23.h>
#include "clk.h"

static void __iomem *clkctrl;
@@ -52,10 +51,10 @@ static void __init clk_misc_init(void)
	u32 val;

	/* Gate off cpu clock in WFI for power saving */
	__mxs_setl(1 << BP_CPU_INTERRUPT_WAIT, CPU);
	writel_relaxed(1 << BP_CPU_INTERRUPT_WAIT, CPU + SET);

	/* Clear BYPASS for SAIF */
	__mxs_clrl(1 << BP_CLKSEQ_BYPASS_SAIF, CLKSEQ);
	writel_relaxed(1 << BP_CLKSEQ_BYPASS_SAIF, CLKSEQ + CLR);

	/* SAIF has to use frac div for functional operation */
	val = readl_relaxed(SAIF);
@@ -66,14 +65,14 @@ static void __init clk_misc_init(void)
	 * Source ssp clock from ref_io than ref_xtal,
	 * as ref_xtal only provides 24 MHz as maximum.
	 */
	__mxs_clrl(1 << BP_CLKSEQ_BYPASS_SSP, CLKSEQ);
	writel_relaxed(1 << BP_CLKSEQ_BYPASS_SSP, CLKSEQ + CLR);

	/*
	 * 480 MHz seems too high to be ssp clock source directly,
	 * so set frac to get a 288 MHz ref_io.
	 */
	__mxs_clrl(0x3f << BP_FRAC_IOFRAC, FRAC);
	__mxs_setl(30 << BP_FRAC_IOFRAC, FRAC);
	writel_relaxed(0x3f << BP_FRAC_IOFRAC, FRAC + CLR);
	writel_relaxed(30 << BP_FRAC_IOFRAC, FRAC + SET);
}

static const char *sel_pll[]  __initconst = { "pll", "ref_xtal", };
+6 −7
Original line number Diff line number Diff line
@@ -16,7 +16,6 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <mach/mx28.h>
#include "clk.h"

static void __iomem *clkctrl;
@@ -75,8 +74,8 @@ int mxs_saif_clkmux_select(unsigned int clkmux)
	if (clkmux > 0x3)
		return -EINVAL;

	__mxs_clrl(0x3 << BP_SAIF_CLKMUX, DIGCTRL);
	__mxs_setl(clkmux << BP_SAIF_CLKMUX, DIGCTRL);
	writel_relaxed(0x3 << BP_SAIF_CLKMUX, DIGCTRL + CLR);
	writel_relaxed(clkmux << BP_SAIF_CLKMUX, DIGCTRL + SET);

	return 0;
}
@@ -86,13 +85,13 @@ static void __init clk_misc_init(void)
	u32 val;

	/* Gate off cpu clock in WFI for power saving */
	__mxs_setl(1 << BP_CPU_INTERRUPT_WAIT, CPU);
	writel_relaxed(1 << BP_CPU_INTERRUPT_WAIT, CPU + SET);

	/* 0 is a bad default value for a divider */
	__mxs_setl(1 << BP_ENET_DIV_TIME, ENET);
	writel_relaxed(1 << BP_ENET_DIV_TIME, ENET + SET);

	/* Clear BYPASS for SAIF */
	__mxs_clrl(0x3 << BP_CLKSEQ_BYPASS_SAIF0, CLKSEQ);
	writel_relaxed(0x3 << BP_CLKSEQ_BYPASS_SAIF0, CLKSEQ + CLR);

	/* SAIF has to use frac div for functional operation */
	val = readl_relaxed(SAIF0);
@@ -112,7 +111,7 @@ static void __init clk_misc_init(void)
	 * Source ssp clock from ref_io than ref_xtal,
	 * as ref_xtal only provides 24 MHz as maximum.
	 */
	__mxs_clrl(0xf << BP_CLKSEQ_BYPASS_SSP0, CLKSEQ);
	writel_relaxed(0xf << BP_CLKSEQ_BYPASS_SSP0, CLKSEQ + CLR);

	/*
	 * 480 MHz seems too high to be ssp clock source directly,