[PATCH v2 2/7] clk: samsung: exynos7: add clocks for MMC block
Abhilash Kesavan
a.kesavan at samsung.com
Mon Oct 20 22:43:52 PDT 2014
From: Naveen Krishna Ch <naveenkrishna.ch at gmail.com>
Exynos7 supports 3 MMC channels, add the MMC gate clocks to
support them.
Signed-off-by: Naveen Krishna Ch <naveenkrishna.ch at gmail.com>
Signed-off-by: Abhilash Kesavan <a.kesavan at samsung.com>
---
.../devicetree/bindings/clock/exynos7-clock.txt | 21 ++
drivers/clk/samsung/clk-exynos7.c | 224 ++++++++++++++++++++
include/dt-bindings/clock/exynos7-clk.h | 20 ++
3 files changed, 265 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/exynos7-clock.txt b/Documentation/devicetree/bindings/clock/exynos7-clock.txt
index 789f761..b29cb50 100644
--- a/Documentation/devicetree/bindings/clock/exynos7-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos7-clock.txt
@@ -27,9 +27,12 @@ Required Properties for Clock Controller:
- "samsung,exynos7-clock-topc"
- "samsung,exynos7-clock-top0"
+ - "samsung,exynos7-clock-top1"
- "samsung,exynos7-clock-peric0"
- "samsung,exynos7-clock-peric1"
- "samsung,exynos7-clock-peris"
+ - "samsung,exynos7-clock-fsys0"
+ - "samsung,exynos7-clock-fsys1"
- reg: physical base address of the controller and the length of
memory mapped region.
@@ -50,6 +53,13 @@ Input clocks for top0 clock controller:
- dout_sclk_cc_pll
- dout_sclk_mfc_pll
+Input clocks for top1 clock controller:
+ - fin_pll
+ - dout_sclk_bus0_pll
+ - dout_sclk_bus1_pll
+ - dout_sclk_cc_pll
+ - dout_sclk_mfc_pll
+
Input clocks for peric0 clock controller:
- fin_pll
- dout_aclk_peric0_66
@@ -65,3 +75,14 @@ Input clocks for peric1 clock controller:
Input clocks for peris clock controller:
- fin_pll
- dout_aclk_peris_66
+
+Input clocks for fsys0 clock controller:
+ - fin_pll
+ - dout_aclk_fsys0_200
+ - dout_sclk_mmc2
+
+Input clocks for fsys1 clock controller:
+ - fin_pll
+ - dout_aclk_fsys1_200
+ - dout_sclk_mmc0
+ - dout_sclk_mmc1
diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c
index c700f65..f5e43fa 100644
--- a/drivers/clk/samsung/clk-exynos7.c
+++ b/drivers/clk/samsung/clk-exynos7.c
@@ -267,6 +267,132 @@ static void __init exynos7_clk_top0_init(struct device_node *np)
CLK_OF_DECLARE(exynos7_clk_top0, "samsung,exynos7-clock-top0",
exynos7_clk_top0_init);
+/* Register Offset definitions for CMU_TOP1 (0x105E0000) */
+#define MUX_SEL_TOP10 0x0200
+#define MUX_SEL_TOP11 0x0204
+#define MUX_SEL_TOP13 0x020C
+#define MUX_SEL_TOP1_FSYS0 0x0224
+#define MUX_SEL_TOP1_FSYS1 0x0228
+#define DIV_TOP13 0x060C
+#define DIV_TOP1_FSYS0 0x0624
+#define DIV_TOP1_FSYS1 0x0628
+#define ENABLE_ACLK_TOP13 0x080C
+#define ENABLE_SCLK_TOP1_FSYS0 0x0A24
+#define ENABLE_SCLK_TOP1_FSYS1 0x0A28
+
+/* List of parent clocks for Muxes in CMU_TOP1 */
+PNAME(mout_top1_bus0_pll_p) = { "fin_pll", "dout_sclk_bus0_pll" };
+PNAME(mout_top1_bus1_pll_p) = { "fin_pll", "dout_sclk_bus1_pll_b" };
+PNAME(mout_top1_cc_pll_p) = { "fin_pll", "dout_sclk_cc_pll_b" };
+PNAME(mout_top1_mfc_pll_p) = { "fin_pll", "dout_sclk_mfc_pll_b" };
+
+PNAME(mout_top1_half_bus0_pll_p) = {"mout_top1_bus0_pll",
+ "ffac_top1_bus0_pll_div2"};
+PNAME(mout_top1_half_bus1_pll_p) = {"mout_top1_bus1_pll",
+ "ffac_top1_bus1_pll_div2"};
+PNAME(mout_top1_half_cc_pll_p) = {"mout_top1_cc_pll",
+ "ffac_top1_cc_pll_div2"};
+PNAME(mout_top1_half_mfc_pll_p) = {"mout_top1_mfc_pll",
+ "ffac_top1_mfc_pll_div2"};
+
+PNAME(mout_top1_group1) = {"mout_top1_half_bus0_pll",
+ "mout_top1_half_bus1_pll", "mout_top1_half_cc_pll",
+ "mout_top1_half_mfc_pll"};
+
+static unsigned long top1_clk_regs[] __initdata = {
+ MUX_SEL_TOP10,
+ MUX_SEL_TOP11,
+ MUX_SEL_TOP13,
+ MUX_SEL_TOP1_FSYS0,
+ MUX_SEL_TOP1_FSYS1,
+ DIV_TOP13,
+ DIV_TOP1_FSYS0,
+ DIV_TOP1_FSYS1,
+ ENABLE_ACLK_TOP13,
+ ENABLE_SCLK_TOP1_FSYS0,
+ ENABLE_SCLK_TOP1_FSYS1,
+};
+
+static struct samsung_mux_clock top1_mux_clks[] __initdata = {
+ MUX(0, "mout_top1_mfc_pll", mout_top1_mfc_pll_p, MUX_SEL_TOP10, 4, 1),
+ MUX(0, "mout_top1_cc_pll", mout_top1_cc_pll_p, MUX_SEL_TOP10, 8, 1),
+ MUX(0, "mout_top1_bus1_pll", mout_top1_bus1_pll_p,
+ MUX_SEL_TOP10, 12, 1),
+ MUX(0, "mout_top1_bus0_pll", mout_top1_bus0_pll_p,
+ MUX_SEL_TOP10, 16, 1),
+
+ MUX(0, "mout_top1_half_mfc_pll", mout_top1_half_mfc_pll_p,
+ MUX_SEL_TOP11, 4, 1),
+ MUX(0, "mout_top1_half_cc_pll", mout_top1_half_cc_pll_p,
+ MUX_SEL_TOP11, 8, 1),
+ MUX(0, "mout_top1_half_bus1_pll", mout_top1_half_bus1_pll_p,
+ MUX_SEL_TOP11, 12, 1),
+ MUX(0, "mout_top1_half_bus0_pll", mout_top1_half_bus0_pll_p,
+ MUX_SEL_TOP11, 16, 1),
+
+ MUX(0, "mout_aclk_fsys1_200", mout_top1_group1, MUX_SEL_TOP13, 24, 2),
+ MUX(0, "mout_aclk_fsys0_200", mout_top1_group1, MUX_SEL_TOP13, 28, 2),
+
+ MUX(0, "mout_sclk_mmc2", mout_top1_group1, MUX_SEL_TOP1_FSYS0, 24, 2),
+
+ MUX(0, "mout_sclk_mmc1", mout_top1_group1, MUX_SEL_TOP1_FSYS1, 24, 2),
+ MUX(0, "mout_sclk_mmc0", mout_top1_group1, MUX_SEL_TOP1_FSYS1, 28, 2),
+};
+
+static struct samsung_div_clock top1_div_clks[] __initdata = {
+ DIV(DOUT_ACLK_FSYS1_200, "dout_aclk_fsys1_200", "mout_aclk_fsys1_200",
+ DIV_TOP13, 24, 4),
+ DIV(DOUT_ACLK_FSYS0_200, "dout_aclk_fsys0_200", "mout_aclk_fsys0_200",
+ DIV_TOP13, 28, 4),
+
+ DIV(DOUT_SCLK_MMC2, "dout_sclk_mmc2", "mout_sclk_mmc2",
+ DIV_TOP1_FSYS0, 24, 4),
+
+ DIV(DOUT_SCLK_MMC1, "dout_sclk_mmc1", "mout_sclk_mmc1",
+ DIV_TOP1_FSYS1, 24, 4),
+ DIV(DOUT_SCLK_MMC0, "dout_sclk_mmc0", "mout_sclk_mmc0",
+ DIV_TOP1_FSYS1, 28, 4),
+};
+
+static struct samsung_gate_clock top1_gate_clks[] __initdata = {
+ GATE(CLK_SCLK_MMC2, "sclk_mmc2", "dout_sclk_mmc2",
+ ENABLE_SCLK_TOP1_FSYS0, 24, CLK_SET_RATE_PARENT, 0),
+
+ GATE(CLK_SCLK_MMC1, "sclk_mmc1", "dout_sclk_mmc1",
+ ENABLE_SCLK_TOP1_FSYS1, 24, CLK_SET_RATE_PARENT, 0),
+ GATE(CLK_SCLK_MMC0, "sclk_mmc0", "dout_sclk_mmc0",
+ ENABLE_SCLK_TOP1_FSYS1, 28, CLK_SET_RATE_PARENT, 0),
+};
+
+static struct samsung_fixed_factor_clock top1_fixed_factor_clks[] __initdata = {
+ FFACTOR(0, "ffac_top1_bus0_pll_div2", "mout_top1_bus0_pll", 1, 2, 0),
+ FFACTOR(0, "ffac_top1_bus1_pll_div2", "mout_top1_bus1_pll", 1, 2, 0),
+ FFACTOR(0, "ffac_top1_cc_pll_div2", "mout_top1_cc_pll", 1, 2, 0),
+ FFACTOR(0, "ffac_top1_mfc_pll_div2", "mout_top1_mfc_pll", 1, 2, 0),
+};
+
+static struct samsung_cmu_info top1_cmu_info __initdata = {
+ .mux_clks = top1_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(top1_mux_clks),
+ .div_clks = top1_div_clks,
+ .nr_div_clks = ARRAY_SIZE(top1_div_clks),
+ .gate_clks = top1_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(top1_gate_clks),
+ .fixed_factor_clks = top1_fixed_factor_clks,
+ .nr_fixed_factor_clks = ARRAY_SIZE(top1_fixed_factor_clks),
+ .nr_clk_ids = TOP1_NR_CLK,
+ .clk_regs = top1_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(top1_clk_regs),
+};
+
+static void __init exynos7_clk_top1_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &top1_cmu_info);
+}
+
+CLK_OF_DECLARE(exynos7_clk_top1, "samsung,exynos7-clock-top1",
+ exynos7_clk_top1_init);
+
/* Register Offset definitions for CMU_PERIC0 (0x13610000) */
#define MUX_SEL_PERIC0 0x0200
#define ENABLE_PCLK_PERIC0 0x0900
@@ -447,3 +573,101 @@ static void __init exynos7_clk_peris_init(struct device_node *np)
CLK_OF_DECLARE(exynos7_clk_peris, "samsung,exynos7-clock-peris",
exynos7_clk_peris_init);
+
+/* Register Offset definitions for CMU_FSYS0 (0x10E90000) */
+#define MUX_SEL_FSYS00 0x0200
+#define MUX_SEL_FSYS01 0x0204
+#define ENABLE_ACLK_FSYS01 0x0804
+
+/*
+ * List of parent clocks for Muxes in CMU_FSYS0
+ */
+PNAME(mout_aclk_fsys0_200_p) = { "fin_pll", "dout_aclk_fsys0_200" };
+PNAME(mout_sclk_mmc2_p) = { "fin_pll", "sclk_mmc2" };
+
+static unsigned long fsys0_clk_regs[] __initdata = {
+ MUX_SEL_FSYS00,
+ MUX_SEL_FSYS01,
+ ENABLE_ACLK_FSYS01,
+};
+
+static struct samsung_mux_clock fsys0_mux_clks[] __initdata = {
+ MUX(0, "mout_aclk_fsys0_200_user", mout_aclk_fsys0_200_p,
+ MUX_SEL_FSYS00, 24, 1),
+
+ MUX(0, "mout_sclk_mmc2_user", mout_sclk_mmc2_p, MUX_SEL_FSYS01, 24, 1),
+};
+
+static struct samsung_gate_clock fsys0_gate_clks[] __initdata = {
+ GATE(ACLK_MMC2, "aclk_mmc2", "mout_aclk_fsys0_200_user",
+ ENABLE_ACLK_FSYS01, 31, 0, 0),
+};
+
+static struct samsung_cmu_info fsys0_cmu_info __initdata = {
+ .mux_clks = fsys0_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(fsys0_mux_clks),
+ .gate_clks = fsys0_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(fsys0_gate_clks),
+ .nr_clk_ids = TOP1_NR_CLK,
+ .clk_regs = fsys0_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(fsys0_clk_regs),
+};
+
+static void __init exynos7_clk_fsys0_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &fsys0_cmu_info);
+}
+
+CLK_OF_DECLARE(exynos7_clk_fsys0, "samsung,exynos7-clock-fsys0",
+ exynos7_clk_fsys0_init);
+
+/* Register Offset definitions for CMU_FSYS1 (0x156E0000) */
+#define MUX_SEL_FSYS10 0x0200
+#define MUX_SEL_FSYS11 0x0204
+#define ENABLE_ACLK_FSYS1 0x0800
+
+/*
+ * List of parent clocks for Muxes in CMU_FSYS1
+ */
+PNAME(mout_aclk_fsys1_200_p) = { "fin_pll", "dout_aclk_fsys1_200" };
+PNAME(mout_sclk_mmc0_p) = { "fin_pll", "sclk_mmc0" };
+PNAME(mout_sclk_mmc1_p) = { "fin_pll", "sclk_mmc1" };
+
+static unsigned long fsys1_clk_regs[] __initdata = {
+ MUX_SEL_FSYS10,
+ MUX_SEL_FSYS11,
+ ENABLE_ACLK_FSYS1,
+};
+
+static struct samsung_mux_clock fsys1_mux_clks[] __initdata = {
+ MUX(0, "mout_aclk_fsys1_200_user", mout_aclk_fsys1_200_p,
+ MUX_SEL_FSYS10, 28, 1),
+
+ MUX(0, "mout_sclk_mmc1_user", mout_sclk_mmc1_p, MUX_SEL_FSYS11, 24, 1),
+ MUX(0, "mout_sclk_mmc0_user", mout_sclk_mmc0_p, MUX_SEL_FSYS11, 28, 1),
+};
+
+static struct samsung_gate_clock fsys1_gate_clks[] __initdata = {
+ GATE(ACLK_MMC1, "aclk_mmc1", "mout_aclk_fsys1_200_user",
+ ENABLE_ACLK_FSYS1, 29, 0, 0),
+ GATE(ACLK_MMC0, "aclk_mmc0", "mout_aclk_fsys1_200_user",
+ ENABLE_ACLK_FSYS1, 30, 0, 0),
+};
+
+static struct samsung_cmu_info fsys1_cmu_info __initdata = {
+ .mux_clks = fsys1_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(fsys1_mux_clks),
+ .gate_clks = fsys1_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(fsys1_gate_clks),
+ .nr_clk_ids = TOP1_NR_CLK,
+ .clk_regs = fsys1_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(fsys1_clk_regs),
+};
+
+static void __init exynos7_clk_fsys1_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &fsys1_cmu_info);
+}
+
+CLK_OF_DECLARE(exynos7_clk_fsys1, "samsung,exynos7-clock-fsys1",
+ exynos7_clk_fsys1_init);
diff --git a/include/dt-bindings/clock/exynos7-clk.h b/include/dt-bindings/clock/exynos7-clk.h
index 6d07b6f..ff63c4e 100644
--- a/include/dt-bindings/clock/exynos7-clk.h
+++ b/include/dt-bindings/clock/exynos7-clk.h
@@ -27,6 +27,17 @@
#define CLK_SCLK_UART3 6
#define TOP0_NR_CLK 7
+/* TOP1 */
+#define DOUT_ACLK_FSYS1_200 1
+#define DOUT_ACLK_FSYS0_200 2
+#define DOUT_SCLK_MMC2 3
+#define DOUT_SCLK_MMC1 4
+#define DOUT_SCLK_MMC0 5
+#define CLK_SCLK_MMC2 6
+#define CLK_SCLK_MMC1 7
+#define CLK_SCLK_MMC0 8
+#define TOP1_NR_CLK 9
+
/* PERIC0 */
#define PCLK_UART0 1
#define SCLK_UART0 2
@@ -58,4 +69,13 @@
#define SCLK_CHIPID 2
#define PERIS_NR_CLK 3
+/* FSYS0 */
+#define ACLK_MMC2 1
+#define FSYS0_NR_CLK 2
+
+/* FSYS1 */
+#define ACLK_MMC1 1
+#define ACLK_MMC0 2
+#define FSYS1_NR_CLK 3
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS7_H */
--
1.7.9.5
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