[PATCH 4/9] clk: samsung: exynos5433: Add clocks for CMU_MFC domain

From: Chanwoo Choi
Date: Wed Jan 21 2015 - 18:46:36 EST

This patch adds the mux/divider/gate clocks for CMU_MFC domain which
generates the clocks for MFC(Multi-Format Codec) IP.

Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Cc: Tomasz Figa <tomasz.figa@xxxxxxxxx>
Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Acked-by: Inki Dae <inki.dae@xxxxxxxxxxx>
---
.../devicetree/bindings/clock/exynos5433-clock.txt | 7 ++
drivers/clk/samsung/clk-exynos5433.c | 113 +++++++++++++++++++++
include/dt-bindings/clock/exynos5433.h | 27 ++++-
3 files changed, 146 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
index 790d93b..d3deaaf 100644
--- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
@@ -39,6 +39,8 @@ Required Properties:
L2 cache controller.
- "samsung,exynos5433-cmu-mscl" - clock controller compatible for CMU_MSCL
which generates clocks for M2M (Memory to Memory) scaler and JPEG IPs.
+ - "samsung,exynos5433-cmu-mfc" - clock controller compatible for CMU_MFC
+ which generates clocks for MFC(Multi-Format Codec) IP.

- reg: physical base address of the controller and length of memory mapped
region.
@@ -156,6 +158,11 @@ Example 1: Examples of clock controller nodes are listed below.
#clock-cells = <1>;
};

+ cmu_mfc: clock-controller@15280000 {
+ compatible = "samsung,exynos5433-cmu-mfc";
+ reg = <0x15280000 0x0b08>;
+ #clock-cells = <1>;
+ };

Example 2: UART controller node that consumes the clock generated by the clock
controller.
diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
index 60ac4c7..b64f703 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -560,6 +560,9 @@ static struct samsung_gate_clock top_gate_clks[] __initdata = {
GATE(CLK_ACLK_GSCL_333, "aclk_gscl_333", "div_aclk_gscl_333",
ENABLE_ACLK_TOP, 14,
CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_MFC_400, "aclk_mfc_400", "div_aclk_mfc_400",
+ ENABLE_ACLK_TOP, 3,
+ CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
GATE(CLK_ACLK_G2D_266, "aclk_g2d_266", "div_aclk_g2d_266",
ENABLE_ACLK_TOP, 2,
CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
@@ -3990,3 +3993,113 @@ static void __init exynos5433_cmu_mscl_init(struct device_node *np)
}
CLK_OF_DECLARE(exynos5433_cmu_mscl, "samsung,exynos5433-cmu-mscl",
exynos5433_cmu_mscl_init);
+
+/*
+ * Register offset definitions for CMU_MFC
+ */
+#define MUX_SEL_MFC 0x0200
+#define MUX_ENABLE_MFC 0x0300
+#define MUX_STAT_MFC 0x0400
+#define DIV_MFC 0x0600
+#define DIV_STAT_MFC 0x0700
+#define ENABLE_ACLK_MFC 0x0800
+#define ENABLE_ACLK_MFC_SECURE_SMMU_MFC 0x0804
+#define ENABLE_PCLK_MFC 0x0900
+#define ENABLE_PCLK_MFC_SECURE_SMMU_MFC 0x0904
+#define ENABLE_IP_MFC0 0x0b00
+#define ENABLE_IP_MFC1 0x0b04
+#define ENABLE_IP_MFC_SECURE_SMMU_MFC 0x0b08
+
+static unsigned long mfc_clk_regs[] __initdata = {
+ MUX_SEL_MFC,
+ MUX_ENABLE_MFC,
+ MUX_STAT_MFC,
+ DIV_MFC,
+ DIV_STAT_MFC,
+ ENABLE_ACLK_MFC,
+ ENABLE_ACLK_MFC_SECURE_SMMU_MFC,
+ ENABLE_PCLK_MFC,
+ ENABLE_PCLK_MFC_SECURE_SMMU_MFC,
+ ENABLE_IP_MFC0,
+ ENABLE_IP_MFC1,
+ ENABLE_IP_MFC_SECURE_SMMU_MFC,
+};
+
+PNAME(mout_aclk_mfc_400_user_p) = { "fin_pll", "aclk_mfc_400", };
+
+static struct samsung_mux_clock mfc_mux_clks[] __initdata = {
+ /* MUX_SEL_MFC */
+ MUX(CLK_MOUT_ACLK_MFC_400_USER, "mout_aclk_mfc_400_user",
+ mout_aclk_mfc_400_user_p, MUX_SEL_MFC, 0, 0),
+};
+
+static struct samsung_div_clock mfc_div_clks[] __initdata = {
+ /* DIV_MFC */
+ DIV(CLK_DIV_PCLK_MFC, "div_pclk_mfc", "mout_aclk_mfc_400_user",
+ DIV_MFC, 0, 2),
+};
+
+static struct samsung_gate_clock mfc_gate_clks[] __initdata = {
+ /* ENABLE_ACLK_MFC */
+ GATE(CLK_ACLK_BTS_MFC_1, "aclk_bts_mfc_1", "mout_aclk_mfc_400_user",
+ ENABLE_ACLK_MFC, 6, 0, 0),
+ GATE(CLK_ACLK_BTS_MFC_0, "aclk_bts_mfc_0", "mout_aclk_mfc_400_user",
+ ENABLE_ACLK_MFC, 5, 0, 0),
+ GATE(CLK_ACLK_AHB2APB_MFCP, "aclk_ahb2apb_mfcp", "div_pclk_mfc",
+ ENABLE_ACLK_MFC, 4, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_XIU_MFCX, "aclk_xiu_mfcx", "mout_aclk_mfc_400_user",
+ ENABLE_ACLK_MFC, 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_MFCNP_100, "aclk_mfcnp_100", "div_pclk_mfc",
+ ENABLE_ACLK_MFC, 2, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_MFCND_400, "aclk_mfcnd_400", "mout_aclk_mfc_400_user",
+ ENABLE_ACLK_MFC, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_MFC, "aclk_mfc", "mout_aclk_mfc_400_user",
+ ENABLE_ACLK_MFC, 0, 0, 0),
+
+ /* ENABLE_ACLK_MFC_SECURE_SMMU_MFC */
+ GATE(CLK_ACLK_SMMU_MFC_1, "aclk_smmu_mfc_1", "mout_aclk_mfc_400_user",
+ ENABLE_ACLK_MFC_SECURE_SMMU_MFC,
+ 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_SMMU_MFC_0, "aclk_smmu_mfc_0", "mout_aclk_mfc_400_user",
+ ENABLE_ACLK_MFC_SECURE_SMMU_MFC,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_MFC */
+ GATE(CLK_PCLK_BTS_MFC_1, "pclk_bts_mfc_1", "div_pclk_mfc",
+ ENABLE_PCLK_MFC, 4, 0, 0),
+ GATE(CLK_PCLK_BTS_MFC_0, "pclk_bts_mfc_0", "div_pclk_mfc",
+ ENABLE_PCLK_MFC, 3, 0, 0),
+ GATE(CLK_PCLK_PMU_MFC, "pclk_pmu_mfc", "div_pclk_mfc",
+ ENABLE_PCLK_MFC, 2, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SYSREG_MFC, "pclk_sysreg_mfc", "div_pclk_mfc",
+ ENABLE_PCLK_MFC, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_MFC, "pclk_mfc", "div_pclk_mfc",
+ ENABLE_PCLK_MFC, 4, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_MFC_SECURE_SMMU_MFC */
+ GATE(CLK_PCLK_SMMU_MFC_1, "pclk_smmu_mfc_1", "div_pclk_mfc",
+ ENABLE_PCLK_MFC_SECURE_SMMU_MFC,
+ 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SMMU_MFC_0, "pclk_smmu_mfc_0", "div_pclk_mfc",
+ ENABLE_PCLK_MFC_SECURE_SMMU_MFC,
+ 0, CLK_IGNORE_UNUSED, 0),
+};
+
+static struct samsung_cmu_info mfc_cmu_info __initdata = {
+ .mux_clks = mfc_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(mfc_mux_clks),
+ .div_clks = mfc_div_clks,
+ .nr_div_clks = ARRAY_SIZE(mfc_div_clks),
+ .gate_clks = mfc_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(mfc_gate_clks),
+ .nr_clk_ids = MFC_NR_CLK,
+ .clk_regs = mfc_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(mfc_clk_regs),
+};
+
+static void __init exynos5433_cmu_mfc_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &mfc_cmu_info);
+}
+CLK_OF_DECLARE(exynos5433_cmu_mfc, "samsung,exynos5433-cmu-mfc",
+ exynos5433_cmu_mfc_init);
diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h
index 757c419..dfeb9d6 100644
--- a/include/dt-bindings/clock/exynos5433.h
+++ b/include/dt-bindings/clock/exynos5433.h
@@ -153,8 +153,9 @@
#define CLK_ACLK_GSCL_333 233
#define CLK_SCLK_JPEG_MSCL 234
#define CLK_ACLK_MSCL_400 235
+#define CLK_ACLK_MFC_400 236

-#define TOP_NR_CLK 236
+#define TOP_NR_CLK 237

/* CMU_CPIF */
#define CLK_FOUT_MPHY_PLL 1
@@ -976,4 +977,28 @@

#define MSCL_NR_CLK 30

+/* CMU_MFC */
+#define CLK_MOUT_ACLK_MFC_400_USER 1
+
+#define CLK_DIV_PCLK_MFC 2
+
+#define CLK_ACLK_BTS_MFC_1 3
+#define CLK_ACLK_BTS_MFC_0 4
+#define CLK_ACLK_AHB2APB_MFCP 5
+#define CLK_ACLK_XIU_MFCX 6
+#define CLK_ACLK_MFCNP_100 7
+#define CLK_ACLK_MFCND_400 8
+#define CLK_ACLK_MFC 9
+#define CLK_ACLK_SMMU_MFC_1 10
+#define CLK_ACLK_SMMU_MFC_0 11
+#define CLK_PCLK_BTS_MFC_1 12
+#define CLK_PCLK_BTS_MFC_0 13
+#define CLK_PCLK_PMU_MFC 14
+#define CLK_PCLK_SYSREG_MFC 15
+#define CLK_PCLK_MFC 16
+#define CLK_PCLK_SMMU_MFC_1 17
+#define CLK_PCLK_SMMU_MFC_0 18
+
+#define MFC_NR_CLK 19
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */
--
1.8.5.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/