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ARM: shmobile: r8a7790: add div6 clocks

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DIV6 clocks control SD*/MMC* core clocks.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Kuninori Morimoto 2013-04-12 00:43:09 -07:00 committed by Simon Horman
parent 9f13ee6f83
commit 46632512c4
1 changed files with 34 additions and 0 deletions
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34
arch/arm/mach-shmobile/clock-r8a7790.c
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@ -52,6 +52,12 @@
#define MODEMR 0xE6160060
#define SDCKCR 0xE6150074
#define SD2CKCR 0xE6150078
#define SD3CKCR 0xE615007C
#define MMC0CKCR 0xE6150240
#define MMC1CKCR 0xE6150244
#define SSPCKCR 0xE6150248
#define SSPRSCKCR 0xE615024C
static struct clk_mapping cpg_mapping = {
.phys = CPG_BASE,
@ -154,6 +160,23 @@ struct clk div4_clks[DIV4_NR] = {
[DIV4_SD1] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 0, 0x1de0, CLK_ENABLE_ON_INIT),
};
/* DIV6 clocks */
enum {
DIV6_SD2, DIV6_SD3,
DIV6_MMC0, DIV6_MMC1,
DIV6_SSP, DIV6_SSPRS,
DIV6_NR
};
static struct clk div6_clks[DIV6_NR] = {
[DIV6_SD2] = SH_CLK_DIV6(&pll1_div2_clk, SD2CKCR, 0),
[DIV6_SD3] = SH_CLK_DIV6(&pll1_div2_clk, SD3CKCR, 0),
[DIV6_MMC0] = SH_CLK_DIV6(&pll1_div2_clk, MMC0CKCR, 0),
[DIV6_MMC1] = SH_CLK_DIV6(&pll1_div2_clk, MMC1CKCR, 0),
[DIV6_SSP] = SH_CLK_DIV6(&pll1_div2_clk, SSPCKCR, 0),
[DIV6_SSPRS] = SH_CLK_DIV6(&pll1_div2_clk, SSPRSCKCR, 0),
};
/* MSTP */
enum { MSTP721, MSTP720,
MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP_NR };
@ -202,6 +225,14 @@ static struct clk_lookup lookups[] = {
CLKDEV_CON_ID("sd0", &div4_clks[DIV4_SD0]),
CLKDEV_CON_ID("sd1", &div4_clks[DIV4_SD1]),
/* DIV6 */
CLKDEV_CON_ID("sd2", &div6_clks[DIV6_SD2]),
CLKDEV_CON_ID("sd3", &div6_clks[DIV6_SD3]),
CLKDEV_CON_ID("mmc0", &div6_clks[DIV6_MMC0]),
CLKDEV_CON_ID("mmc1", &div6_clks[DIV6_MMC1]),
CLKDEV_CON_ID("ssp", &div6_clks[DIV6_SSP]),
CLKDEV_CON_ID("ssprs", &div6_clks[DIV6_SSPRS]),
/* MSTP */
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]),
CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]),
@ -264,6 +295,9 @@ void __init r8a7790_clock_init(void)
if (!ret)
ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
if (!ret)
ret = sh_clk_div6_register(div6_clks, DIV6_NR);
if (!ret)
ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);