clk: samsung: exynos5433: Add clocks for CMU_MFC domain

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

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This commit is contained in:
Chanwoo Choi 2015-02-03 09:13:52 +09:00 committed by Sylwester Nawrocki
parent b274bbfd8b
commit 9910b6bbaa
3 changed files with 154 additions and 1 deletions

View File

@ -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.
@ -125,6 +127,10 @@ Required Properties:
- sclk_jpeg_mscl
- aclk_mscl_400
Input clocks for mfc clock controller:
- oscclk
- aclk_mfc_400
Each clock is assigned an identifier and client nodes can use this identifier
to specify the clock which they consume.
@ -340,6 +346,15 @@ Example 2: Examples of clock controller nodes are listed below.
<&cmu_top CLK_ACLK_MSCL_400>;
};
cmu_mfc: clock-controller@15280000 {
compatible = "samsung,exynos5433-cmu-mfc";
reg = <0x15280000 0x0b08>;
#clock-cells = <1>;
clock-names = "oscclk", "aclk_mfc_400";
clocks = <&xxti>, <&cmu_top CLK_ACLK_MFC_400>;
};
Example 3: UART controller node that consumes the clock generated by the clock
controller.

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@ -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) = { "oscclk", "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);

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@ -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 */