clk: samsung: exynos5433: Add clocks for CMU_APOLLO domain

This patch adds the mux/divider/gate clocks for CMU_APOLLO domain
which generates the clocks for Cortex-A53 Quad-core processsor.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
[s.nawrocki@samsung.com: Renamed pclk_pmu_sysreg_apollo to pclk_sysreg_apollo]
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

Documentation/devicetree/bindings/clock/exynos5433-clock.txt

@@ -32,6 +32,8 @@ Required Properties:
     which generates clocks for 3D Graphics Engine IP.
   - "samsung,exynos5433-cmu-gscl"  - clock controller compatible for CMU_GSCL
     which generates clocks for GSCALER IPs.
+  - "samsung,exynos5433-cmu-apollo"- clock controller compatible for CMU_APOLLO
+    which generates clocks for Cortex-A53 Quad-core processor.
 
 - reg: physical base address of the controller and length of memory mapped
   region.
@@ -105,6 +107,10 @@ Required Properties:
 		- aclk_gscl_111
 		- aclk_gscl_333
 
+	Input clocks for apollo clock controller:
+		- oscclk
+		- sclk_bus_pll_apollo
+
 Each clock is assigned an identifier and client nodes can use this identifier
 to specify the clock which they consume.
 
@@ -289,6 +295,15 @@ Example 2: Examples of clock controller nodes are listed below.
 			<&cmu_top CLK_ACLK_GSCL_333>;
 	};
 
+	cmu_apollo: clock-controller@11900000 {
+		compatible = "samsung,exynos5433-cmu-apollo";
+		reg = <0x11900000 0x1088>;
+		#clock-cells = <1>;
+
+		clock-names = "oscclk", "sclk_bus_pll_apollo";
+		clocks = <&xxti>, <&cmu_mif CLK_SCLK_BUS_PLL_APOLLO>;
+	};
+
 Example 3: UART controller node that consumes the clock generated by the clock
 	   controller.
 

drivers/clk/samsung/clk-exynos5433.c

@@ -3393,3 +3393,196 @@ static void __init exynos5433_cmu_gscl_init(struct device_node *np)
 }
 CLK_OF_DECLARE(exynos5433_cmu_gscl, "samsung,exynos5433-cmu-gscl",
 		exynos5433_cmu_gscl_init);
+
+/*
+ * Register offset definitions for CMU_APOLLO
+ */
+#define APOLLO_PLL_LOCK				0x0000
+#define APOLLO_PLL_CON0				0x0100
+#define APOLLO_PLL_CON1				0x0104
+#define APOLLO_PLL_FREQ_DET			0x010c
+#define MUX_SEL_APOLLO0				0x0200
+#define MUX_SEL_APOLLO1				0x0204
+#define MUX_SEL_APOLLO2				0x0208
+#define MUX_ENABLE_APOLLO0			0x0300
+#define MUX_ENABLE_APOLLO1			0x0304
+#define MUX_ENABLE_APOLLO2			0x0308
+#define MUX_STAT_APOLLO0			0x0400
+#define MUX_STAT_APOLLO1			0x0404
+#define MUX_STAT_APOLLO2			0x0408
+#define DIV_APOLLO0				0x0600
+#define DIV_APOLLO1				0x0604
+#define DIV_APOLLO_PLL_FREQ_DET			0x0608
+#define DIV_STAT_APOLLO0			0x0700
+#define DIV_STAT_APOLLO1			0x0704
+#define DIV_STAT_APOLLO_PLL_FREQ_DET		0x0708
+#define ENABLE_ACLK_APOLLO			0x0800
+#define ENABLE_PCLK_APOLLO			0x0900
+#define ENABLE_SCLK_APOLLO			0x0a00
+#define ENABLE_IP_APOLLO0			0x0b00
+#define ENABLE_IP_APOLLO1			0x0b04
+#define CLKOUT_CMU_APOLLO			0x0c00
+#define CLKOUT_CMU_APOLLO_DIV_STAT		0x0c04
+#define ARMCLK_STOPCTRL				0x1000
+#define APOLLO_PWR_CTRL				0x1020
+#define APOLLO_PWR_CTRL2			0x1024
+#define APOLLO_INTR_SPREAD_ENABLE		0x1080
+#define APOLLO_INTR_SPREAD_USE_STANDBYWFI	0x1084
+#define APOLLO_INTR_SPREAD_BLOCKING_DURATION	0x1088
+
+static unsigned long apollo_clk_regs[] __initdata = {
+	APOLLO_PLL_LOCK,
+	APOLLO_PLL_CON0,
+	APOLLO_PLL_CON1,
+	APOLLO_PLL_FREQ_DET,
+	MUX_SEL_APOLLO0,
+	MUX_SEL_APOLLO1,
+	MUX_SEL_APOLLO2,
+	MUX_ENABLE_APOLLO0,
+	MUX_ENABLE_APOLLO1,
+	MUX_ENABLE_APOLLO2,
+	MUX_STAT_APOLLO0,
+	MUX_STAT_APOLLO1,
+	MUX_STAT_APOLLO2,
+	DIV_APOLLO0,
+	DIV_APOLLO1,
+	DIV_APOLLO_PLL_FREQ_DET,
+	DIV_STAT_APOLLO0,
+	DIV_STAT_APOLLO1,
+	DIV_STAT_APOLLO_PLL_FREQ_DET,
+	ENABLE_ACLK_APOLLO,
+	ENABLE_PCLK_APOLLO,
+	ENABLE_SCLK_APOLLO,
+	ENABLE_IP_APOLLO0,
+	ENABLE_IP_APOLLO1,
+	CLKOUT_CMU_APOLLO,
+	CLKOUT_CMU_APOLLO_DIV_STAT,
+	ARMCLK_STOPCTRL,
+	APOLLO_PWR_CTRL,
+	APOLLO_PWR_CTRL2,
+	APOLLO_INTR_SPREAD_ENABLE,
+	APOLLO_INTR_SPREAD_USE_STANDBYWFI,
+	APOLLO_INTR_SPREAD_BLOCKING_DURATION,
+};
+
+/* list of all parent clock list */
+PNAME(mout_apollo_pll_p)		= { "oscclk", "fout_apollo_pll", };
+PNAME(mout_bus_pll_apollo_user_p)	= { "oscclk", "sclk_bus_pll_apollo", };
+PNAME(mout_apollo_p)			= { "mout_apollo_pll",
+					    "mout_bus_pll_apollo_user", };
+
+static struct samsung_pll_clock apollo_pll_clks[] __initdata = {
+	PLL(pll_35xx, CLK_FOUT_APOLLO_PLL, "fout_apollo_pll", "oscclk",
+		APOLLO_PLL_LOCK, APOLLO_PLL_CON0, exynos5443_pll_rates),
+};
+
+static struct samsung_mux_clock apollo_mux_clks[] __initdata = {
+	/* MUX_SEL_APOLLO0 */
+	MUX_F(CLK_MOUT_APOLLO_PLL, "mout_apollo_pll", mout_apollo_pll_p,
+			MUX_SEL_APOLLO0, 0, 1, 0, CLK_MUX_READ_ONLY),
+
+	/* MUX_SEL_APOLLO1 */
+	MUX(CLK_MOUT_BUS_PLL_APOLLO_USER, "mout_bus_pll_apollo_user",
+			mout_bus_pll_apollo_user_p, MUX_SEL_APOLLO1, 0, 1),
+
+	/* MUX_SEL_APOLLO2 */
+	MUX_F(CLK_MOUT_APOLLO, "mout_apollo", mout_apollo_p, MUX_SEL_APOLLO2,
+			0, 1, 0, CLK_MUX_READ_ONLY),
+};
+
+static struct samsung_div_clock apollo_div_clks[] __initdata = {
+	/* DIV_APOLLO0 */
+	DIV_F(CLK_DIV_CNTCLK_APOLLO, "div_cntclk_apollo", "div_apollo2",
+			DIV_APOLLO0, 24, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+	DIV_F(CLK_DIV_PCLK_DBG_APOLLO, "div_pclk_dbg_apollo", "div_apollo2",
+			DIV_APOLLO0, 20, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+	DIV_F(CLK_DIV_ATCLK_APOLLO, "div_atclk_apollo", "div_apollo2",
+			DIV_APOLLO0, 16, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+	DIV_F(CLK_DIV_PCLK_APOLLO, "div_pclk_apollo", "div_apollo2",
+			DIV_APOLLO0, 12, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+	DIV_F(CLK_DIV_ACLK_APOLLO, "div_aclk_apollo", "div_apollo2",
+			DIV_APOLLO0, 8, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+	DIV_F(CLK_DIV_APOLLO2, "div_apollo2", "div_apollo1",
+			DIV_APOLLO0, 4, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+	DIV_F(CLK_DIV_APOLLO1, "div_apollo1", "mout_apollo",
+			DIV_APOLLO0, 0, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+
+	/* DIV_APOLLO1 */
+	DIV_F(CLK_DIV_SCLK_HPM_APOLLO, "div_sclk_hpm_apollo", "mout_apollo",
+			DIV_APOLLO1, 4, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+	DIV_F(CLK_DIV_APOLLO_PLL, "div_apollo_pll", "mout_apollo",
+			DIV_APOLLO1, 0, 3, CLK_GET_RATE_NOCACHE,
+			CLK_DIVIDER_READ_ONLY),
+};
+
+static struct samsung_gate_clock apollo_gate_clks[] __initdata = {
+	/* ENABLE_ACLK_APOLLO */
+	GATE(CLK_ACLK_ASATBSLV_APOLLO_3_CSSYS, "aclk_asatbslv_apollo_3_cssys",
+			"div_atclk_apollo", ENABLE_ACLK_APOLLO,
+			6, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_ACLK_ASATBSLV_APOLLO_2_CSSYS, "aclk_asatbslv_apollo_2_cssys",
+			"div_atclk_apollo", ENABLE_ACLK_APOLLO,
+			5, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_ACLK_ASATBSLV_APOLLO_1_CSSYS, "aclk_asatbslv_apollo_1_cssys",
+			"div_atclk_apollo", ENABLE_ACLK_APOLLO,
+			4, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_ACLK_ASATBSLV_APOLLO_0_CSSYS, "aclk_asatbslv_apollo_0_cssys",
+			"div_atclk_apollo", ENABLE_ACLK_APOLLO,
+			3, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_ACLK_ASYNCACES_APOLLO_CCI, "aclk_asyncaces_apollo_cci",
+			"div_aclk_apollo", ENABLE_ACLK_APOLLO,
+			2, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_ACLK_AHB2APB_APOLLOP, "aclk_ahb2apb_apollop",
+			"div_pclk_apollo", ENABLE_ACLK_APOLLO,
+			1, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_ACLK_APOLLONP_200, "aclk_apollonp_200",
+			"div_pclk_apollo", ENABLE_ACLK_APOLLO,
+			0, CLK_IGNORE_UNUSED, 0),
+
+	/* ENABLE_PCLK_APOLLO */
+	GATE(CLK_PCLK_ASAPBMST_CSSYS_APOLLO, "pclk_asapbmst_cssys_apollo",
+			"div_pclk_dbg_apollo", ENABLE_PCLK_APOLLO,
+			2, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_PCLK_PMU_APOLLO, "pclk_pmu_apollo", "div_pclk_apollo",
+			ENABLE_PCLK_APOLLO, 1, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_PCLK_SYSREG_APOLLO, "pclk_sysreg_apollo",
+			"div_pclk_apollo", ENABLE_PCLK_APOLLO,
+			0, CLK_IGNORE_UNUSED, 0),
+
+	/* ENABLE_SCLK_APOLLO */
+	GATE(CLK_CNTCLK_APOLLO, "cntclk_apollo", "div_cntclk_apollo",
+			ENABLE_SCLK_APOLLO, 3, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_SCLK_HPM_APOLLO, "sclk_hpm_apollo", "div_sclk_hpm_apollo",
+			ENABLE_SCLK_APOLLO, 1, CLK_IGNORE_UNUSED, 0),
+	GATE(CLK_SCLK_APOLLO, "sclk_apollo", "div_apollo_pll",
+			ENABLE_SCLK_APOLLO, 0, CLK_IGNORE_UNUSED, 0),
+};
+
+static struct samsung_cmu_info apollo_cmu_info __initdata = {
+	.pll_clks		= apollo_pll_clks,
+	.nr_pll_clks		= ARRAY_SIZE(apollo_pll_clks),
+	.mux_clks		= apollo_mux_clks,
+	.nr_mux_clks		= ARRAY_SIZE(apollo_mux_clks),
+	.div_clks		= apollo_div_clks,
+	.nr_div_clks		= ARRAY_SIZE(apollo_div_clks),
+	.gate_clks		= apollo_gate_clks,
+	.nr_gate_clks		= ARRAY_SIZE(apollo_gate_clks),
+	.nr_clk_ids		= APOLLO_NR_CLK,
+	.clk_regs		= apollo_clk_regs,
+	.nr_clk_regs		= ARRAY_SIZE(apollo_clk_regs),
+};
+
+static void __init exynos5433_cmu_apollo_init(struct device_node *np)
+{
+	samsung_cmu_register_one(np, &apollo_cmu_info);
+}
+CLK_OF_DECLARE(exynos5433_cmu_apollo, "samsung,exynos5433-cmu-apollo",
+		exynos5433_cmu_apollo_init);

include/dt-bindings/clock/exynos5433.h

@@ -854,4 +854,41 @@
 
 #define GSCL_NR_CLK					29
 
+/* CMU_APOLLO */
+#define CLK_FOUT_APOLLO_PLL				1
+
+#define CLK_MOUT_APOLLO_PLL				2
+#define CLK_MOUT_BUS_PLL_APOLLO_USER			3
+#define CLK_MOUT_APOLLO					4
+
+#define CLK_DIV_CNTCLK_APOLLO				5
+#define CLK_DIV_PCLK_DBG_APOLLO				6
+#define CLK_DIV_ATCLK_APOLLO				7
+#define CLK_DIV_PCLK_APOLLO				8
+#define CLK_DIV_ACLK_APOLLO				9
+#define CLK_DIV_APOLLO2					10
+#define CLK_DIV_APOLLO1					11
+#define CLK_DIV_SCLK_HPM_APOLLO				12
+#define CLK_DIV_APOLLO_PLL				13
+
+#define CLK_ACLK_ATBDS_APOLLO_3				14
+#define CLK_ACLK_ATBDS_APOLLO_2				15
+#define CLK_ACLK_ATBDS_APOLLO_1				16
+#define CLK_ACLK_ATBDS_APOLLO_0				17
+#define CLK_ACLK_ASATBSLV_APOLLO_3_CSSYS		18
+#define CLK_ACLK_ASATBSLV_APOLLO_2_CSSYS		19
+#define CLK_ACLK_ASATBSLV_APOLLO_1_CSSYS		20
+#define CLK_ACLK_ASATBSLV_APOLLO_0_CSSYS		21
+#define CLK_ACLK_ASYNCACES_APOLLO_CCI			22
+#define CLK_ACLK_AHB2APB_APOLLOP			23
+#define CLK_ACLK_APOLLONP_200				24
+#define CLK_PCLK_ASAPBMST_CSSYS_APOLLO			25
+#define CLK_PCLK_PMU_APOLLO				26
+#define CLK_PCLK_SYSREG_APOLLO				27
+#define CLK_CNTCLK_APOLLO				28
+#define CLK_SCLK_HPM_APOLLO				29
+#define CLK_SCLK_APOLLO					30
+
+#define APOLLO_NR_CLK					31
+
 #endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */