[PATCH 12/19] clk: samsung: exynos5433: Add clocks for CMU_GSCL domain

From: Chanwoo Choi
Date: Tue Dec 02 2014 - 03:51:02 EST

This patch adds the divider/gate of CMU_GSCL domain which contains gscaler
clocks.

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>
Acked-by: Geunsik Lim <geunsik.lim@xxxxxxxxxxx>
---
.../devicetree/bindings/clock/exynos5433-clock.txt | 8 ++
drivers/clk/samsung/clk-exynos5433.c | 144 +++++++++++++++++++++
include/dt-bindings/clock/exynos5433.h | 37 +++++-
3 files changed, 188 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
index 589ed93..bf72817 100644
--- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
@@ -30,6 +30,8 @@ Required Properties:
which generates global data buses clock and global peripheral buses clock.
- "samsung,exynos5433-cmu-g3d" - clock controller compatible for CMU_G3D
which generates clocks for 3D Graphics Engine IP.
+ - "samsung,exynos5433-cmu-gscl" - clock controller compatible for CMU_GSCL
+ which generates clocks for GSCALER IPs.

- reg: physical base address of the controller and length of memory mapped
region.
@@ -123,6 +125,12 @@ Example 1: Examples of clock controller nodes are listed below.
#clock-cells = <1>;
};

+ cmu_gscl: clock-controller@0x13cf0000 {
+ compatible = "samsung,exynos5433-cmu-gscl";
+ reg = <0x13cf0000 0x0b10>;
+ #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 a7f5feb..00dcac3 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -540,6 +540,10 @@ static struct samsung_gate_clock top_gate_clks[] __initdata = {
ENABLE_ACLK_TOP, 21, CLK_IGNORE_UNUSED, 0),
GATE(CLK_ACLK_FSYS_200, "aclk_fsys_200", "div_aclk_fsys_200",
ENABLE_ACLK_TOP, 18, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_GSCL_111, "aclk_gscl_111", "div_aclk_gscl_111",
+ ENABLE_ACLK_TOP, 15, 0, 0),
+ GATE(CLK_ACLK_GSCL_333, "aclk_gscl_333", "div_aclk_gscl_333",
+ ENABLE_ACLK_TOP, 14, 0, 0),
GATE(CLK_ACLK_G2D_266, "aclk_g2d_266", "div_aclk_g2d_266",
ENABLE_ACLK_TOP, 2, CLK_IGNORE_UNUSED, 0),
GATE(CLK_ACLK_G2D_400, "aclk_g2d_400", "div_aclk_g2d_400",
@@ -3223,3 +3227,143 @@ static void __init exynos5433_cmu_g3d_init(struct device_node *np)
}
CLK_OF_DECLARE(exynos5433_cmu_g3d, "samsung,exynos5433-cmu-g3d",
exynos5433_cmu_g3d_init);
+
+/*
+ * Register offset definitions for CMU_GSCL
+ */
+#define MUX_SEL_GSCL 0x0200
+#define MUX_ENABLE_GSCL 0x0300
+#define MUX_STAT_GSCL 0x0400
+#define ENABLE_ACLK_GSCL 0x0800
+#define ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0 0x0804
+#define ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1 0x0808
+#define ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2 0x080c
+#define ENABLE_PCLK_GSCL 0x0900
+#define ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0 0x0904
+#define ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1 0x0908
+#define ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2 0x090c
+#define ENABLE_IP_GSCL0 0x0b00
+#define ENABLE_IP_GSCL1 0x0b04
+#define ENABLE_IP_GSCL_SECURE_SMMU_GSCL0 0x0b08
+#define ENABLE_IP_GSCL_SECURE_SMMU_GSCL1 0x0b0c
+#define ENABLE_IP_GSCL_SECURE_SMMU_GSCL2 0x0b10
+
+static unsigned long gscl_clk_regs[] __initdata = {
+ MUX_SEL_GSCL,
+ MUX_ENABLE_GSCL,
+ MUX_STAT_GSCL,
+ ENABLE_ACLK_GSCL,
+ ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0,
+ ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1,
+ ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2,
+ ENABLE_PCLK_GSCL,
+ ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0,
+ ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1,
+ ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2,
+ ENABLE_IP_GSCL0,
+ ENABLE_IP_GSCL1,
+ ENABLE_IP_GSCL_SECURE_SMMU_GSCL0,
+ ENABLE_IP_GSCL_SECURE_SMMU_GSCL1,
+ ENABLE_IP_GSCL_SECURE_SMMU_GSCL2,
+};
+
+/* list of all parent clock list */
+PNAME(aclk_gscl_111_user_p) = { "fin_pll", "aclk_gscl_111", };
+PNAME(aclk_gscl_333_user_p) = { "fin_pll", "aclk_gscl_333", };
+
+static struct samsung_mux_clock gscl_mux_clks[] __initdata = {
+ /* MUX_SEL_GSCL */
+ MUX(CLK_MOUT_ACLK_GSCL_111_USER, "mout_aclk_gscl_111_user",
+ aclk_gscl_111_user_p, MUX_SEL_GSCL, 4, 1),
+ MUX(CLK_MOUT_ACLK_GSCL_333_USER, "mout_aclk_gscl_333_user",
+ aclk_gscl_333_user_p, MUX_SEL_GSCL, 4, 1),
+};
+
+static struct samsung_gate_clock gscl_gate_clks[] __initdata = {
+ /* ENABLE_ACLK_GSCL */
+ GATE(CLK_ACLK_BTS_GSCL2, "aclk_bts_gscl2", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL, 11, 0, 0),
+ GATE(CLK_ACLK_BTS_GSCL1, "aclk_bts_gscl1", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL, 10, 0, 0),
+ GATE(CLK_ACLK_BTS_GSCL0, "aclk_bts_gscl0", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL, 9, 0, 0),
+ GATE(CLK_ACLK_AHB2APB_GSCLP, "aclk_ahb2apb_gsclp",
+ "mout_aclk_gscl_111_user", ENABLE_ACLK_GSCL,
+ 8, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_XIU_GSCLX, "aclk_xiu_gsclx", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL, 7, 0, 0),
+ GATE(CLK_ACLK_GSCLNP_111, "aclk_gsclnp_111", "mout_aclk_gscl_111_user",
+ ENABLE_ACLK_GSCL, 6, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_GSCLRTND_333, "aclk_gsclrtnd_333",
+ "mout_aclk_gscl_333_user", ENABLE_ACLK_GSCL, 5, 0, 0),
+ GATE(CLK_ACLK_GSCLBEND_333, "aclk_gsclbend_333",
+ "mout_aclk_gscl_333_user", ENABLE_ACLK_GSCL, 4, 0, 0),
+ GATE(CLK_ACLK_GSD, "aclk_gsd", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL, 3, 0, 0),
+ GATE(CLK_ACLK_GSCL2, "aclk_gscl2", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL, 2, 0, 0),
+ GATE(CLK_ACLK_GSCL1, "aclk_gscl1", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL, 1, 0, 0),
+ GATE(CLK_ACLK_GSCL0, "aclk_gscl0", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL, 0, 0, 0),
+
+ /* ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0 */
+ GATE(CLK_ACLK_SMMU_GSCL0, "aclk_smmu_gscl0", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0),
+
+ /* ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1 */
+ GATE(CLK_ACLK_SMMU_GSCL1, "aclk_smmu_gscl1", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1, 0, 0, 0),
+
+ /* ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2 */
+ GATE(CLK_ACLK_SMMU_GSCL2, "aclk_smmu_gscl2", "mout_aclk_gscl_333_user",
+ ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2, 0, 0, 0),
+
+ /* ENABLE_PCLK_GSCL */
+ GATE(CLK_PCLK_BTS_GSCL2, "pclk_bts_gscl2", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL, 7, 0, 0),
+ GATE(CLK_PCLK_BTS_GSCL1, "pclk_bts_gscl1", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL, 6, 0, 0),
+ GATE(CLK_PCLK_BTS_GSCL0, "pclk_bts_gscl0", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL, 5, 0, 0),
+ GATE(CLK_PCLK_PMU_GSCL, "pclk_pmu_gscl", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL, 4, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SYSREG_GSCL, "pclk_sysreg_gscl",
+ "mout_aclk_gscl_111_user", ENABLE_PCLK_GSCL,
+ 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_GSCL2, "pclk_gscl2", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL, 2, 0, 0),
+ GATE(CLK_PCLK_GSCL1, "pclk_gscl1", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL, 1, 0, 0),
+ GATE(CLK_PCLK_GSCL0, "pclk_gscl0", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL, 0, 0, 0),
+
+ /* ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0 */
+ GATE(CLK_PCLK_SMMU_GSCL0, "pclk_smmu_gscl0", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0),
+
+ /* ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1 */
+ GATE(CLK_PCLK_SMMU_GSCL1, "pclk_smmu_gscl1", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0),
+
+ /* ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2 */
+ GATE(CLK_PCLK_SMMU_GSCL2, "pclk_smmu_gscl2", "mout_aclk_gscl_111_user",
+ ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0),
+};
+
+static struct samsung_cmu_info gscl_cmu_info __initdata = {
+ .mux_clks = gscl_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(gscl_mux_clks),
+ .gate_clks = gscl_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(gscl_gate_clks),
+ .nr_clk_ids = GSCL_NR_CLK,
+ .clk_regs = gscl_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(gscl_clk_regs),
+};
+
+static void __init exynos5433_cmu_gscl_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &gscl_cmu_info);
+}
+CLK_OF_DECLARE(exynos5433_cmu_gscl, "samsung,exynos5433-cmu-gscl",
+ exynos5433_cmu_gscl_init);
diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h
index 04d4dbf..15d51b8 100644
--- a/include/dt-bindings/clock/exynos5433.h
+++ b/include/dt-bindings/clock/exynos5433.h
@@ -147,8 +147,10 @@
#define CLK_SCLK_UFSUNIPRO_FSYS 229
#define CLK_SCLK_USBHOST30_FSYS 230
#define CLK_SCLK_USBDRD30_FSYS 231
+#define CLK_ACLK_GSCL_111 232
+#define CLK_ACLK_GSCL_333 233

-#define TOP_NR_CLK 232
+#define TOP_NR_CLK 234

/* CMU_CPIF */
#define CLK_FOUT_MPHY_PLL 1
@@ -805,4 +807,37 @@

#define G3D_NR_CLK 20

+/* CMU_GSCL */
+#define CLK_MOUT_ACLK_GSCL_111_USER 1
+#define CLK_MOUT_ACLK_GSCL_333_USER 2
+
+#define CLK_ACLK_BTS_GSCL2 3
+#define CLK_ACLK_BTS_GSCL1 4
+#define CLK_ACLK_BTS_GSCL0 5
+#define CLK_ACLK_AHB2APB_GSCLP 6
+#define CLK_ACLK_XIU_GSCLX 7
+#define CLK_ACLK_GSCLNP_111 8
+#define CLK_ACLK_GSCLRTND_333 9
+#define CLK_ACLK_GSCLBEND_333 10
+#define CLK_ACLK_GSD 11
+#define CLK_ACLK_GSCL2 12
+#define CLK_ACLK_GSCL1 13
+#define CLK_ACLK_GSCL0 14
+#define CLK_ACLK_SMMU_GSCL0 15
+#define CLK_ACLK_SMMU_GSCL1 16
+#define CLK_ACLK_SMMU_GSCL2 17
+#define CLK_PCLK_BTS_GSCL2 18
+#define CLK_PCLK_BTS_GSCL1 19
+#define CLK_PCLK_BTS_GSCL0 20
+#define CLK_PCLK_PMU_GSCL 21
+#define CLK_PCLK_SYSREG_GSCL 22
+#define CLK_PCLK_GSCL2 23
+#define CLK_PCLK_GSCL1 24
+#define CLK_PCLK_GSCL0 25
+#define CLK_PCLK_SMMU_GSCL0 26
+#define CLK_PCLK_SMMU_GSCL1 27
+#define CLK_PCLK_SMMU_GSCL2 28
+
+#define GSCL_NR_CLK 29
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */
--
1.8.5.5

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