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Date: Tue, 03 Feb 2015 09:13:51 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: s.nawrocki@...sung.com, tomasz.figa@...il.com,
mturquette@...aro.org
Cc: kgene@...nel.org, pankaj.dubey@...sung.com, inki.dae@...sung.com,
chanho61.park@...sung.com, sw0312.kim@...sung.com,
cw00.choi@...sung.com, linux-samsung-soc@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v3 3/9] clk: samsung: exynos5433: Add clocks for CMU_MSCL domain
This patch adds the mux/divider/gate clocks for CMU_MSCL domain which
generates the clocks for M2M (Memory to Memory) scaler, JPEG IPs.
Cc: Sylwester Nawrocki <s.nawrocki@...sung.com>
Cc: Tomasz Figa <tomasz.figa@...il.com>
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
Acked-by: Inki Dae <inki.dae@...sung.com>
---
.../devicetree/bindings/clock/exynos5433-clock.txt | 20 +++
drivers/clk/samsung/clk-exynos5433.c | 185 +++++++++++++++++++++
include/dt-bindings/clock/exynos5433.h | 41 ++++-
3 files changed, 245 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
index 7c1dccc..ecb9534 100644
--- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
@@ -37,6 +37,8 @@ Required Properties:
- "samsung,exynos5433-cmu-atlas" - clock controller compatible for CMU_ATLAS
which generates clocks for Cortex-A57 Quad-core processor, CoreSight and
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.
- reg: physical base address of the controller and length of memory mapped
region.
@@ -118,6 +120,11 @@ Required Properties:
- oscclk
- sclk_bus_pll_atlas
+ Input clocks for mscl clock controller:
+ - oscclk
+ - sclk_jpeg_mscl
+ - aclk_mscl_400
+
Each clock is assigned an identifier and client nodes can use this identifier
to specify the clock which they consume.
@@ -320,6 +327,19 @@ Example 2: Examples of clock controller nodes are listed below.
clocks = <&xxti>, <&cmu_mif CLK_SCLK_BUS_PLL_ATLAS>;
};
+ cmu_mscl: clock-controller@...d0000 {
+ compatible = "samsung,exynos5433-cmu-mscl";
+ reg = <0x105d0000 0x0b10>;
+ #clock-cells = <1>;
+
+ clock-names = "oscclk",
+ "sclk_jpeg_mscl",
+ "aclk_mscl_400";
+ clocks = <&xxti>,
+ <&cmu_top CLK_SCLK_JPEG_MSCL>,
+ <&cmu_top CLK_ACLK_MSCL_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 7abe9ce..a5238cd 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -419,6 +419,8 @@ static struct samsung_div_clock top_div_clks[] __initdata = {
DIV_TOP1, 0, 3),
/* DIV_TOP2 */
+ DIV(CLK_DIV_ACLK_MSCL_400, "div_aclk_mscl_400", "mout_aclk_mscl_400_b",
+ DIV_TOP2, 4, 3),
DIV(CLK_DIV_ACLK_FSYS_200, "div_aclk_fsys_200", "mout_bus_pll_user",
DIV_TOP2, 0, 3),
@@ -446,6 +448,10 @@ static struct samsung_div_clock top_div_clks[] __initdata = {
DIV(CLK_DIV_ACLK_BUS1_400, "div_aclk_bus1_400", "mout_bus_pll_user",
DIV_TOP4, 0, 3),
+ /* DIV_TOP_MSCL */
+ DIV(CLK_DIV_SCLK_JPEG, "div_sclk_jpeg", "mout_sclk_jpeg_c",
+ DIV_TOP_MSCL, 0, 4),
+
/* DIV_TOP_FSYS0 */
DIV(CLK_DIV_SCLK_MMC1_B, "div_sclk_mmc1_b", "div_sclk_mmc1_a",
DIV_TOP_FSYS0, 16, 8),
@@ -542,6 +548,9 @@ static struct samsung_gate_clock top_gate_clks[] __initdata = {
GATE(CLK_ACLK_PERIS_66, "aclk_peris_66", "div_aclk_peris_66_b",
ENABLE_ACLK_TOP, 21,
CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_MSCL_400, "aclk_mscl_400", "div_aclk_mscl_400",
+ ENABLE_ACLK_TOP, 19,
+ CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
GATE(CLK_ACLK_FSYS_200, "aclk_fsys_200", "div_aclk_fsys_200",
ENABLE_ACLK_TOP, 18,
CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
@@ -558,6 +567,10 @@ static struct samsung_gate_clock top_gate_clks[] __initdata = {
ENABLE_ACLK_TOP, 0,
CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
+ /* ENABLE_SCLK_TOP_MSCL */
+ GATE(CLK_SCLK_JPEG_MSCL, "sclk_jpeg_mscl", "div_sclk_jpeg",
+ ENABLE_SCLK_TOP_MSCL, 0, 0, 0),
+
/* ENABLE_SCLK_TOP_FSYS */
GATE(CLK_SCLK_PCIE_100_FSYS, "sclk_pcie_100_fsys", "div_sclk_pcie_100",
ENABLE_SCLK_TOP_FSYS, 7, 0, 0),
@@ -3805,3 +3818,175 @@ static void __init exynos5433_cmu_atlas_init(struct device_node *np)
}
CLK_OF_DECLARE(exynos5433_cmu_atlas, "samsung,exynos5433-cmu-atlas",
exynos5433_cmu_atlas_init);
+
+/*
+ * Register offset definitions for CMU_MSCL
+ */
+#define MUX_SEL_MSCL0 0x0200
+#define MUX_SEL_MSCL1 0x0204
+#define MUX_ENABLE_MSCL0 0x0300
+#define MUX_ENABLE_MSCL1 0x0304
+#define MUX_STAT_MSCL0 0x0400
+#define MUX_STAT_MSCL1 0x0404
+#define DIV_MSCL 0x0600
+#define DIV_STAT_MSCL 0x0700
+#define ENABLE_ACLK_MSCL 0x0800
+#define ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER0 0x0804
+#define ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER1 0x0808
+#define ENABLE_ACLK_MSCL_SECURE_SMMU_JPEG 0x080c
+#define ENABLE_PCLK_MSCL 0x0900
+#define ENABLE_PCLK_MSCL_SECURE_SMMU_M2MSCALER0 0x0904
+#define ENABLE_PCLK_MSCL_SECURE_SMMU_M2MSCALER1 0x0908
+#define ENABLE_PCLK_MSCL_SECURE_SMMU_JPEG 0x000c
+#define ENABLE_SCLK_MSCL 0x0a00
+#define ENABLE_IP_MSCL0 0x0b00
+#define ENABLE_IP_MSCL1 0x0b04
+#define ENABLE_IP_MSCL_SECURE_SMMU_M2MSCALER0 0x0b08
+#define ENABLE_IP_MSCL_SECURE_SMMU_M2MSCALER1 0x0b0c
+#define ENABLE_IP_MSCL_SECURE_SMMU_JPEG 0x0b10
+
+static unsigned long mscl_clk_regs[] __initdata = {
+ MUX_SEL_MSCL0,
+ MUX_SEL_MSCL1,
+ MUX_ENABLE_MSCL0,
+ MUX_ENABLE_MSCL1,
+ MUX_STAT_MSCL0,
+ MUX_STAT_MSCL1,
+ DIV_MSCL,
+ DIV_STAT_MSCL,
+ ENABLE_ACLK_MSCL,
+ ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER0,
+ ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER1,
+ ENABLE_ACLK_MSCL_SECURE_SMMU_JPEG,
+ ENABLE_PCLK_MSCL,
+ ENABLE_PCLK_MSCL_SECURE_SMMU_M2MSCALER0,
+ ENABLE_PCLK_MSCL_SECURE_SMMU_M2MSCALER1,
+ ENABLE_PCLK_MSCL_SECURE_SMMU_JPEG,
+ ENABLE_SCLK_MSCL,
+ ENABLE_IP_MSCL0,
+ ENABLE_IP_MSCL1,
+ ENABLE_IP_MSCL_SECURE_SMMU_M2MSCALER0,
+ ENABLE_IP_MSCL_SECURE_SMMU_M2MSCALER1,
+ ENABLE_IP_MSCL_SECURE_SMMU_JPEG,
+};
+
+/* list of all parent clock list */
+PNAME(mout_sclk_jpeg_user_p) = { "oscclk", "sclk_jpeg_mscl", };
+PNAME(mout_aclk_mscl_400_user_p) = { "oscclk", "aclk_mscl_400", };
+PNAME(mout_sclk_jpeg_p) = { "mout_sclk_jpeg_user",
+ "mout_aclk_mscl_400_user", };
+
+static struct samsung_mux_clock mscl_mux_clks[] __initdata = {
+ /* MUX_SEL_MSCL0 */
+ MUX(CLK_MOUT_SCLK_JPEG_USER, "mout_sclk_jpeg_user",
+ mout_sclk_jpeg_user_p, MUX_SEL_MSCL0, 4, 1),
+ MUX(CLK_MOUT_ACLK_MSCL_400_USER, "mout_aclk_mscl_400_user",
+ mout_aclk_mscl_400_user_p, MUX_SEL_MSCL0, 0, 1),
+
+ /* MUX_SEL_MSCL1 */
+ MUX(CLK_MOUT_SCLK_JPEG, "mout_sclk_jpeg", mout_sclk_jpeg_p,
+ MUX_SEL_MSCL1, 0, 1),
+};
+
+static struct samsung_div_clock mscl_div_clks[] __initdata = {
+ /* DIV_MSCL */
+ DIV(CLK_DIV_PCLK_MSCL, "div_pclk_mscl", "mout_aclk_mscl_400_user",
+ DIV_MSCL, 0, 3),
+};
+
+static struct samsung_gate_clock mscl_gate_clks[] __initdata = {
+ /* ENABLE_ACLK_MSCL */
+ GATE(CLK_ACLK_BTS_JPEG, "aclk_bts_jpeg", "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL, 9, 0, 0),
+ GATE(CLK_ACLK_BTS_M2MSCALER1, "aclk_bts_m2mscaler1",
+ "mout_aclk_mscl_400_user", ENABLE_ACLK_MSCL, 8, 0, 0),
+ GATE(CLK_ACLK_BTS_M2MSCALER0, "aclk_bts_m2mscaler0",
+ "mout_aclk_mscl_400_user", ENABLE_ACLK_MSCL, 7, 0, 0),
+ GATE(CLK_ACLK_AHB2APB_MSCL0P, "aclk_abh2apb_mscl0p", "div_pclk_mscl",
+ ENABLE_ACLK_MSCL, 6, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_XIU_MSCLX, "aclk_xiu_msclx", "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL, 5, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_MSCLNP_100, "aclk_msclnp_100", "div_pclk_mscl",
+ ENABLE_ACLK_MSCL, 4, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_MSCLND_400, "aclk_msclnd_400", "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL, 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_JPEG, "aclk_jpeg", "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL, 2, 0, 0),
+ GATE(CLK_ACLK_M2MSCALER1, "aclk_m2mscaler1", "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL, 1, 0, 0),
+ GATE(CLK_ACLK_M2MSCALER0, "aclk_m2mscaler0", "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL, 0, 0, 0),
+
+ /* ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER0 */
+ GATE(CLK_ACLK_SMMU_M2MSCALER0, "aclk_smmu_m2mscaler0",
+ "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER0,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER1 */
+ GATE(CLK_ACLK_SMMU_M2MSCALER1, "aclk_smmu_m2mscaler1",
+ "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER1,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_ACLK_MSCL_SECURE_SMMU_JPEG */
+ GATE(CLK_ACLK_SMMU_JPEG, "aclk_smmu_jpeg", "mout_aclk_mscl_400_user",
+ ENABLE_ACLK_MSCL_SECURE_SMMU_JPEG,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_MSCL */
+ GATE(CLK_PCLK_BTS_JPEG, "pclk_bts_jpeg", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL, 7, 0, 0),
+ GATE(CLK_PCLK_BTS_M2MSCALER1, "pclk_bts_m2mscaler1", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL, 6, 0, 0),
+ GATE(CLK_PCLK_BTS_M2MSCALER0, "pclk_bts_m2mscaler0", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL, 5, 0, 0),
+ GATE(CLK_PCLK_PMU_MSCL, "pclk_pmu_mscl", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL, 4, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SYSREG_MSCL, "pclk_sysreg_mscl", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL, 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_JPEG, "pclk_jpeg", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL, 2, 0, 0),
+ GATE(CLK_PCLK_M2MSCALER1, "pclk_m2mscaler1", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL, 1, 0, 0),
+ GATE(CLK_PCLK_M2MSCALER0, "pclk_m2mscaler0", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL, 0, 0, 0),
+
+ /* ENABLE_PCLK_MSCL_SECURE_SMMU_M2MSCALER0 */
+ GATE(CLK_PCLK_SMMU_M2MSCALER0, "pclk_smmu_m2mscaler0", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL_SECURE_SMMU_M2MSCALER0,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_MSCL_SECURE_SMMU_M2MSCALER1 */
+ GATE(CLK_PCLK_SMMU_M2MSCALER1, "pclk_smmu_m2mscaler1", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL_SECURE_SMMU_M2MSCALER1,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_MSCL_SECURE_SMMU_JPEG */
+ GATE(CLK_PCLK_SMMU_JPEG, "pclk_smmu_jpeg", "div_pclk_mscl",
+ ENABLE_PCLK_MSCL_SECURE_SMMU_JPEG,
+ 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_SCLK_MSCL */
+ GATE(CLK_SCLK_JPEG, "sclk_jpeg", "mout_sclk_jpeg", ENABLE_SCLK_MSCL, 0,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0),
+};
+
+static struct samsung_cmu_info mscl_cmu_info __initdata = {
+ .mux_clks = mscl_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(mscl_mux_clks),
+ .div_clks = mscl_div_clks,
+ .nr_div_clks = ARRAY_SIZE(mscl_div_clks),
+ .gate_clks = mscl_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(mscl_gate_clks),
+ .nr_clk_ids = MSCL_NR_CLK,
+ .clk_regs = mscl_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(mscl_clk_regs),
+};
+
+static void __init exynos5433_cmu_mscl_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &mscl_cmu_info);
+}
+CLK_OF_DECLARE(exynos5433_cmu_mscl, "samsung,exynos5433-cmu-mscl",
+ exynos5433_cmu_mscl_init);
diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h
index 22b02e7..757c419 100644
--- a/include/dt-bindings/clock/exynos5433.h
+++ b/include/dt-bindings/clock/exynos5433.h
@@ -114,6 +114,8 @@
#define CLK_DIV_SCLK_USBHOST30 141
#define CLK_DIV_SCLK_UFSUNIPRO 142
#define CLK_DIV_SCLK_USBDRD30 143
+#define CLK_DIV_SCLK_JPEG 144
+#define CLK_DIV_ACLK_MSCL_400 145
#define CLK_ACLK_PERIC_66 200
#define CLK_ACLK_PERIS_66 201
@@ -149,8 +151,10 @@
#define CLK_SCLK_USBDRD30_FSYS 231
#define CLK_ACLK_GSCL_111 232
#define CLK_ACLK_GSCL_333 233
+#define CLK_SCLK_JPEG_MSCL 234
+#define CLK_ACLK_MSCL_400 235
-#define TOP_NR_CLK 234
+#define TOP_NR_CLK 236
/* CMU_CPIF */
#define CLK_FOUT_MPHY_PLL 1
@@ -937,4 +941,39 @@
#define ATLAS_NR_CLK 40
+/* CMU_MSCL */
+#define CLK_MOUT_SCLK_JPEG_USER 1
+#define CLK_MOUT_ACLK_MSCL_400_USER 2
+#define CLK_MOUT_SCLK_JPEG 3
+
+#define CLK_DIV_PCLK_MSCL 4
+
+#define CLK_ACLK_BTS_JPEG 5
+#define CLK_ACLK_BTS_M2MSCALER1 6
+#define CLK_ACLK_BTS_M2MSCALER0 7
+#define CLK_ACLK_AHB2APB_MSCL0P 8
+#define CLK_ACLK_XIU_MSCLX 9
+#define CLK_ACLK_MSCLNP_100 10
+#define CLK_ACLK_MSCLND_400 11
+#define CLK_ACLK_JPEG 12
+#define CLK_ACLK_M2MSCALER1 13
+#define CLK_ACLK_M2MSCALER0 14
+#define CLK_ACLK_SMMU_M2MSCALER0 15
+#define CLK_ACLK_SMMU_M2MSCALER1 16
+#define CLK_ACLK_SMMU_JPEG 17
+#define CLK_PCLK_BTS_JPEG 18
+#define CLK_PCLK_BTS_M2MSCALER1 19
+#define CLK_PCLK_BTS_M2MSCALER0 20
+#define CLK_PCLK_PMU_MSCL 21
+#define CLK_PCLK_SYSREG_MSCL 22
+#define CLK_PCLK_JPEG 23
+#define CLK_PCLK_M2MSCALER1 24
+#define CLK_PCLK_M2MSCALER0 25
+#define CLK_PCLK_SMMU_M2MSCALER0 26
+#define CLK_PCLK_SMMU_M2MSCALER1 27
+#define CLK_PCLK_SMMU_JPEG 28
+#define CLK_SCLK_JPEG 29
+
+#define MSCL_NR_CLK 30
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */
--
1.8.5.5
--
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