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Diffstat (limited to 'arch/arm/mach-shmobile/clock-r8a7740.c')
-rw-r--r--arch/arm/mach-shmobile/clock-r8a7740.c150
1 files changed, 147 insertions, 3 deletions
diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c
index 26eea5f..ad5fccc 100644
--- a/arch/arm/mach-shmobile/clock-r8a7740.c
+++ b/arch/arm/mach-shmobile/clock-r8a7740.c
@@ -43,7 +43,10 @@
/* CPG registers */
#define FRQCRA 0xe6150000
#define FRQCRB 0xe6150004
+#define VCLKCR1 0xE6150008
+#define VCLKCR2 0xE615000c
#define FRQCRC 0xe61500e0
+#define FSIACKCR 0xe6150018
#define PLLC01CR 0xe6150028
#define SUBCKCR 0xe6150080
@@ -54,6 +57,8 @@
#define MSTPSR2 0xe6150040
#define MSTPSR3 0xe6150048
#define MSTPSR4 0xe615004c
+#define FSIBCKCR 0xe6150090
+#define HDMICKCR 0xe6150094
#define SMSTPCR0 0xe6150130
#define SMSTPCR1 0xe6150134
#define SMSTPCR2 0xe6150138
@@ -271,6 +276,13 @@ static struct clk usb24_clk = {
.parent = &usb24s_clk,
};
+/* External FSIACK/FSIBCK clock */
+static struct clk fsiack_clk = {
+};
+
+static struct clk fsibck_clk = {
+};
+
struct clk *main_clks[] = {
&extalr_clk,
&extal1_clk,
@@ -288,6 +300,8 @@ struct clk *main_clks[] = {
&pllc1_div2_clk,
&usb24s_clk,
&usb24_clk,
+ &fsiack_clk,
+ &fsibck_clk,
};
static void div4_kick(struct clk *clk)
@@ -313,6 +327,107 @@ static struct clk_div4_table div4_table = {
.kick = div4_kick,
};
+/* DIV6 reparent */
+enum {
+ DIV6_HDMI,
+ DIV6_VCLK1, DIV6_VCLK2,
+ DIV6_FSIA, DIV6_FSIB,
+ DIV6_REPARENT_NR,
+};
+
+static struct clk *hdmi_parent[] = {
+ [0] = &pllc1_div2_clk,
+ [1] = &system_clk,
+ [2] = &dv_clk
+};
+
+static struct clk *vclk_parents[8] = {
+ [0] = &pllc1_div2_clk,
+ [2] = &dv_clk,
+ [3] = &usb24s_clk,
+ [4] = &extal1_div2_clk,
+ [5] = &extalr_clk,
+};
+
+static struct clk *fsia_parents[] = {
+ [0] = &pllc1_div2_clk,
+ [1] = &fsiack_clk, /* external clock */
+};
+
+static struct clk *fsib_parents[] = {
+ [0] = &pllc1_div2_clk,
+ [1] = &fsibck_clk, /* external clock */
+};
+
+static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
+ [DIV6_HDMI] = SH_CLK_DIV6_EXT(HDMICKCR, 0,
+ hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2),
+ [DIV6_VCLK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0,
+ vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3),
+ [DIV6_VCLK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0,
+ vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3),
+ [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0,
+ fsia_parents, ARRAY_SIZE(fsia_parents), 6, 2),
+ [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0,
+ fsib_parents, ARRAY_SIZE(fsib_parents), 6, 2),
+};
+
+/* HDMI1/2 clock */
+static unsigned long hdmi12_recalc(struct clk *clk)
+{
+ u32 val = __raw_readl(HDMICKCR);
+ int shift = (int)clk->priv;
+
+ val >>= shift;
+ val &= 0x3;
+
+ return clk->parent->rate / (1 << val);
+};
+
+static int hdmi12_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 val, mask;
+ int i, shift;
+
+ for (i = 0; i < 3; i++)
+ if (rate == clk->parent->rate / (1 << i))
+ goto find;
+ return -ENODEV;
+
+find:
+ shift = (int)clk->priv;
+
+ val = __raw_readl(HDMICKCR);
+ mask = ~(0x3 << shift);
+ val = (val & mask) | i << shift;
+ __raw_writel(val, HDMICKCR);
+
+ return 0;
+};
+
+static struct sh_clk_ops hdmi12_clk_ops = {
+ .recalc = hdmi12_recalc,
+ .set_rate = hdmi12_set_rate,
+};
+
+static struct clk hdmi1_clk = {
+ .ops = &hdmi12_clk_ops,
+ .priv = (void *)9,
+ .parent = &div6_reparent_clks[DIV6_HDMI], /* late install */
+};
+
+static struct clk hdmi2_clk = {
+ .ops = &hdmi12_clk_ops,
+ .priv = (void *)11,
+ .parent = &div6_reparent_clks[DIV6_HDMI], /* late install */
+};
+
+static struct clk *late_main_clks[] = {
+ &hdmi1_clk,
+ &hdmi2_clk,
+};
+
+/* MSTP */
enum {
DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_HP,
DIV4_HPP, DIV4_USBP, DIV4_S, DIV4_ZB, DIV4_M3, DIV4_CP,
@@ -343,11 +458,12 @@ static struct clk div6_clks[DIV6_NR] = {
};
enum {
- MSTP125,
+ MSTP128, MSTP127, MSTP125,
MSTP116, MSTP111, MSTP100, MSTP117,
MSTP230,
MSTP222,
+ MSTP218, MSTP217, MSTP216, MSTP214,
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
MSTP329, MSTP328, MSTP323, MSTP320,
@@ -360,6 +476,8 @@ enum {
};
static struct clk mstp_clks[MSTP_NR] = {
+ [MSTP128] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 28, 0), /* CEU21 */
+ [MSTP127] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 27, 0), /* CEU20 */
[MSTP125] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
[MSTP117] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */
[MSTP116] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */
@@ -368,6 +486,10 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 30, 0), /* SCIFA6 */
[MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 22, 0), /* SCIFA7 */
+ [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */
+ [MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */
+ [MSTP216] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */
+ [MSTP214] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */
[MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
[MSTP206] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
[MSTP204] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
@@ -408,6 +530,12 @@ static struct clk_lookup lookups[] = {
CLKDEV_CON_ID("pllc1_clk", &pllc1_clk),
CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk),
CLKDEV_CON_ID("usb24s", &usb24s_clk),
+ CLKDEV_CON_ID("hdmi1", &hdmi1_clk),
+ CLKDEV_CON_ID("hdmi2", &hdmi2_clk),
+ CLKDEV_CON_ID("video1", &div6_reparent_clks[DIV6_VCLK1]),
+ CLKDEV_CON_ID("video2", &div6_reparent_clks[DIV6_VCLK2]),
+ CLKDEV_CON_ID("fsiack", &fsiack_clk),
+ CLKDEV_CON_ID("fsibck", &fsibck_clk),
/* DIV4 clocks */
CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]),
@@ -430,6 +558,8 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]),
CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]),
CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]),
+ CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]),
+ CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP128]),
CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]),
CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]),
@@ -438,7 +568,10 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]),
CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]),
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]),
-
+ CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]),
+ CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]),
+ CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]),
+ CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]),
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP222]),
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP230]),
@@ -459,6 +592,10 @@ static struct clk_lookup lookups[] = {
CLKDEV_ICK_ID("phy", "renesas_usbhs", &mstp_clks[MSTP406]),
CLKDEV_ICK_ID("pci", "renesas_usbhs", &div4_clks[DIV4_USBP]),
CLKDEV_ICK_ID("usb24", "renesas_usbhs", &usb24_clk),
+ CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]),
+
+ CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]),
+ CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]),
};
void __init r8a7740_clock_init(u8 md_ck)
@@ -495,7 +632,14 @@ void __init r8a7740_clock_init(u8 md_ck)
ret = sh_clk_div6_register(div6_clks, DIV6_NR);
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+ ret = sh_clk_div6_reparent_register(div6_reparent_clks,
+ DIV6_REPARENT_NR);
+
+ if (!ret)
+ ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
+
+ for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
+ ret = clk_register(late_main_clks[k]);
clkdev_add_table(lookups, ARRAY_SIZE(lookups));