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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2013-04-12 11:43:09 +0400
committerSimon Horman <horms+renesas@verge.net.au>2013-06-07 09:24:49 +0400
commit46632512c4b6ed9d52abe5ef3ba288d8441af73c (patch)
tree39bff8e640ca3bcb2275e36fdfeb498de36f97ba /arch/arm/mach-shmobile/clock-r8a7790.c
parent9f13ee6f83c52065112d3e396e42e3780911ef53 (diff)
downloadlinux-46632512c4b6ed9d52abe5ef3ba288d8441af73c.tar.xz
ARM: shmobile: r8a7790: add div6 clocks
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>
Diffstat (limited to 'arch/arm/mach-shmobile/clock-r8a7790.c')
-rw-r--r--arch/arm/mach-shmobile/clock-r8a7790.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c
index c85e6432fc8a..a48100345275 100644
--- a/arch/arm/mach-shmobile/clock-r8a7790.c
+++ b/arch/arm/mach-shmobile/clock-r8a7790.c
@@ -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]),
@@ -265,6 +296,9 @@ void __init r8a7790_clock_init(void)
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);
clkdev_add_table(lookups, ARRAY_SIZE(lookups));