This patch adds the mux/divider/gate clocks for CMU_HEVC domain which
generates the clocks for HEVC(High Efficiency Video Codec) decoder 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 | 15 +++
drivers/clk/samsung/clk-exynos5433.c | 115 +++++++++++++++++++++
include/dt-bindings/clock/exynos5433.h | 27 ++++-
3 files changed, 156 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
index 0f35167..acc1d8a 100644
--- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
@@ -41,6 +41,8 @@ Required Properties:
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.
+ - "samsung,exynos5433-cmu-hevc" - clock controller compatible for CMU_HEVC
+ which generates clocks for HEVC(High Efficiency Video Codec) decoder IP.
- reg: physical base address of the controller and length of memory mapped
region.
@@ -131,6 +133,10 @@ Required Properties:
- oscclk
- aclk_mfc_400
+ Input clocks for hevc clock controller:
+ - oscclk
+ - aclk_hevc_400
+
Each clock is assigned an identifier and client nodes can use this identifier
to specify the clock which they consume.
@@ -355,6 +361,15 @@ Example 2: Examples of clock controller nodes are listed below.
clocks = <&xxti>, <&cmu_top CLK_ACLK_MFC_400>;
};
+ cmu_hevc: clock-controller@14f80000 {
+ compatible = "samsung,exynos5433-cmu-hevc";
+ reg = <0x14f80000 0x0b08>;
+ #clock-cells = <1>;
+
+ clock-names = "oscclk", "aclk_hevc_400";
+ clocks = <&xxti>, <&cmu_top CLK_ACLK_HEVC_400>;
+ };
+
Example 3: 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 2033b07..08780c0 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_HEVC_400, "aclk_hevc_400", "div_aclk_hevc_400",
+ ENABLE_ACLK_TOP, 5,
+ 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),
@@ -4103,3 +4106,115 @@ static void __init exynos5433_cmu_mfc_init(struct device_node *np)
}
CLK_OF_DECLARE(exynos5433_cmu_mfc, "samsung,exynos5433-cmu-mfc",
exynos5433_cmu_mfc_init);
+
+/*
+ * Register offset definitions for CMU_HEVC
+ */
+#define MUX_SEL_HEVC 0x0200
+#define MUX_ENABLE_HEVC 0x0300
+#define MUX_STAT_HEVC 0x0400
+#define DIV_HEVC 0x0600
+#define DIV_STAT_HEVC 0x0700
+#define ENABLE_ACLK_HEVC 0x0800
+#define ENABLE_ACLK_HEVC_SECURE_SMMU_HEVC 0x0804
+#define ENABLE_PCLK_HEVC 0x0900
+#define ENABLE_PCLK_HEVC_SECURE_SMMU_HEVC 0x0904
+#define ENABLE_IP_HEVC0 0x0b00
+#define ENABLE_IP_HEVC1 0x0b04
+#define ENABLE_IP_HEVC_SECURE_SMMU_HEVC 0x0b08
+
+static unsigned long hevc_clk_regs[] __initdata = {
+ MUX_SEL_HEVC,
+ MUX_ENABLE_HEVC,
+ MUX_STAT_HEVC,
+ DIV_HEVC,
+ DIV_STAT_HEVC,
+ ENABLE_ACLK_HEVC,
+ ENABLE_ACLK_HEVC_SECURE_SMMU_HEVC,
+ ENABLE_PCLK_HEVC,
+ ENABLE_PCLK_HEVC_SECURE_SMMU_HEVC,
+ ENABLE_IP_HEVC0,
+ ENABLE_IP_HEVC1,
+ ENABLE_IP_HEVC_SECURE_SMMU_HEVC,
+};
+
+PNAME(mout_aclk_hevc_400_user_p) = { "oscclk", "aclk_hevc_400", };
+
+static struct samsung_mux_clock hevc_mux_clks[] __initdata = {
+ /* MUX_SEL_HEVC */
+ MUX(CLK_MOUT_ACLK_HEVC_400_USER, "mout_aclk_hevc_400_user",
+ mout_aclk_hevc_400_user_p, MUX_SEL_HEVC, 0, 0),
+};
+
+static struct samsung_div_clock hevc_div_clks[] __initdata = {
+ /* DIV_HEVC */
+ DIV(CLK_DIV_PCLK_HEVC, "div_pclk_hevc", "mout_aclk_hevc_400_user",
+ DIV_HEVC, 0, 2),
+};
+
+static struct samsung_gate_clock hevc_gate_clks[] __initdata = {
+ /* ENABLE_ACLK_HEVC */
+ GATE(CLK_ACLK_BTS_HEVC_1, "aclk_bts_hevc_1", "mout_aclk_hevc_400_user",
+ ENABLE_ACLK_HEVC, 6, 0, 0),
+ GATE(CLK_ACLK_BTS_HEVC_0, "aclk_bts_hevc_0", "mout_aclk_hevc_400_user",
+ ENABLE_ACLK_HEVC, 5, 0, 0),
+ GATE(CLK_ACLK_AHB2APB_HEVCP, "aclk_ahb2apb_hevcp", "div_pclk_hevc",
+ ENABLE_ACLK_HEVC, 4, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_XIU_HEVCX, "aclk_xiu_hevcx", "mout_aclk_hevc_400_user",
+ ENABLE_ACLK_HEVC, 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_HEVCNP_100, "aclk_hevcnp_100", "div_pclk_hevc",
+ ENABLE_ACLK_HEVC, 2, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_HEVCND_400, "aclk_hevcnd_400", "mout_aclk_hevc_400_user",
+ ENABLE_ACLK_HEVC, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_HEVC, "aclk_hevc", "mout_aclk_hevc_400_user",
+ ENABLE_ACLK_HEVC, 0, 0, 0),
+
+ /* ENABLE_ACLK_HEVC_SECURE_SMMU_HEVC */
+ GATE(CLK_ACLK_SMMU_HEVC_1, "aclk_smmu_hevc_1",
+ "mout_aclk_hevc_400_user",
+ ENABLE_ACLK_HEVC_SECURE_SMMU_HEVC,
+ 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_SMMU_HEVC_0, "aclk_smmu_hevc_0",
+ "mout_aclk_hevc_400_user",
+ ENABLE_ACLK_HEVC_SECURE_SMMU_HEVC,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_HEVC */
+ GATE(CLK_PCLK_BTS_HEVC_1, "pclk_bts_hevc_1", "div_pclk_hevc",
+ ENABLE_PCLK_HEVC, 4, 0, 0),
+ GATE(CLK_PCLK_BTS_HEVC_0, "pclk_bts_hevc_0", "div_pclk_hevc",
+ ENABLE_PCLK_HEVC, 3, 0, 0),
+ GATE(CLK_PCLK_PMU_HEVC, "pclk_pmu_hevc", "div_pclk_hevc",
+ ENABLE_PCLK_HEVC, 2, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SYSREG_HEVC, "pclk_sysreg_hevc", "div_pclk_hevc",
+ ENABLE_PCLK_HEVC, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_HEVC, "pclk_hevc", "div_pclk_hevc",
+ ENABLE_PCLK_HEVC, 4, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_HEVC_SECURE_SMMU_HEVC */
+ GATE(CLK_PCLK_SMMU_HEVC_1, "pclk_smmu_hevc_1", "div_pclk_hevc",
+ ENABLE_PCLK_HEVC_SECURE_SMMU_HEVC,
+ 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SMMU_HEVC_0, "pclk_smmu_hevc_0", "div_pclk_hevc",
+ ENABLE_PCLK_HEVC_SECURE_SMMU_HEVC,
+ 0, CLK_IGNORE_UNUSED, 0),
+};
+
+static struct samsung_cmu_info hevc_cmu_info __initdata = {
+ .mux_clks = hevc_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(hevc_mux_clks),
+ .div_clks = hevc_div_clks,
+ .nr_div_clks = ARRAY_SIZE(hevc_div_clks),
+ .gate_clks = hevc_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(hevc_gate_clks),
+ .nr_clk_ids = HEVC_NR_CLK,
+ .clk_regs = hevc_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(hevc_clk_regs),
+};
+
+static void __init exynos5433_cmu_hevc_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &hevc_cmu_info);
+}
+CLK_OF_DECLARE(exynos5433_cmu_hevc, "samsung,exynos5433-cmu-hevc",
+ exynos5433_cmu_hevc_init);
diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h
index dfeb9d6..2b3ac5a 100644
--- a/include/dt-bindings/clock/exynos5433.h
+++ b/include/dt-bindings/clock/exynos5433.h
@@ -154,8 +154,9 @@
#define CLK_SCLK_JPEG_MSCL 234
#define CLK_ACLK_MSCL_400 235
#define CLK_ACLK_MFC_400 236
+#define CLK_ACLK_HEVC_400 237
-#define TOP_NR_CLK 237
+#define TOP_NR_CLK 238
/* CMU_CPIF */
#define CLK_FOUT_MPHY_PLL 1
@@ -1001,4 +1002,28 @@
#define MFC_NR_CLK 19
+/* CMU_HEVC */
+#define CLK_MOUT_ACLK_HEVC_400_USER 1
+
+#define CLK_DIV_PCLK_HEVC 2
+
+#define CLK_ACLK_BTS_HEVC_1 3
+#define CLK_ACLK_BTS_HEVC_0 4
+#define CLK_ACLK_AHB2APB_HEVCP 5
+#define CLK_ACLK_XIU_HEVCX 6
+#define CLK_ACLK_HEVCNP_100 7
+#define CLK_ACLK_HEVCND_400 8
+#define CLK_ACLK_HEVC 9
+#define CLK_ACLK_SMMU_HEVC_1 10
+#define CLK_ACLK_SMMU_HEVC_0 11
+#define CLK_PCLK_BTS_HEVC_1 12
+#define CLK_PCLK_BTS_HEVC_0 13
+#define CLK_PCLK_PMU_HEVC 14
+#define CLK_PCLK_SYSREG_HEVC 15
+#define CLK_PCLK_HEVC 16
+#define CLK_PCLK_SMMU_HEVC_1 17
+#define CLK_PCLK_SMMU_HEVC_0 18
+
+#define HEVC_NR_CLK 19
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */
--
1.8.5.5
--
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