This patch adds the mux/divider/gate clocks for CMU_G3D domain which contains
the clocks for GPU(3D Graphics Engine).
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 | 127 +++++++++++++++++++++
include/dt-bindings/clock/exynos5433.h | 25 ++++
3 files changed, 160 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
index 03ae40a..589ed93 100644
--- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
@@ -28,6 +28,8 @@ Required Properties:
- "samsung,exynos5433-cmu-bus0", "samsung,exynos5433-cmu-bus1"
and "samsung,exynos5433-cmu-bus2" - clock controller compatible for CMU_BUS
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.
- reg: physical base address of the controller and length of memory mapped
region.
@@ -115,6 +117,12 @@ Example 1: Examples of clock controller nodes are listed below.
#clock-cells = <1>;
};
+ cmu_g3d: clock-controller@0x14aa0000 {
+ compatible = "samsung,exynos5433-cmu-g3d";
+ reg = <0x14aa0000 0x1000>;
+ #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 ee26974..920bc3c 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -3137,3 +3137,130 @@ static void __init exynos5433_cmu_bus2_init(struct device_node *np)
}
CLK_OF_DECLARE(exynos5433_cmu_bus2, "samsung,exynos5433-cmu-bus2",
exynos5433_cmu_bus2_init);
+
+/*
+ * Register offset definitions for CMU_G3D
+ */
+#define G3D_PLL_LOCK 0x0000
+#define G3D_PLL_CON0 0x0100
+#define G3D_PLL_CON1 0x0104
+#define G3D_PLL_FREQ_DET 0x010c
+#define MUX_SEL_G3D 0x0200
+#define MUX_ENABLE_G3D 0x0300
+#define MUX_STAT_G3D 0x0400
+#define DIV_G3D 0x0600
+#define DIV_G3D_PLL_FREQ_DET 0x0604
+#define DIV_STAT_G3D 0x0700
+#define DIV_STAT_G3D_PLL_FREQ_DET 0x0704
+#define ENABLE_ACLK_G3D 0x0800
+#define ENABLE_PCLK_G3D 0x0900
+#define ENABLE_SCLK_G3D 0x0a00
+#define ENABLE_IP_G3D0 0x0b00
+#define ENABLE_IP_G3D1 0x0b04
+#define CLKOUT_CMU_G3D 0x0c00
+#define CLKOUT_CMU_G3D_DIV_STAT 0x0c04
+#define CLK_STOPCTRL 0x1000
+
+static unsigned long g3d_clk_regs[] __initdata = {
+ G3D_PLL_LOCK,
+ G3D_PLL_CON0,
+ G3D_PLL_CON1,
+ G3D_PLL_FREQ_DET,
+ MUX_SEL_G3D,
+ MUX_ENABLE_G3D,
+ MUX_STAT_G3D,
+ DIV_G3D,
+ DIV_G3D_PLL_FREQ_DET,
+ DIV_STAT_G3D,
+ DIV_STAT_G3D_PLL_FREQ_DET,
+ ENABLE_ACLK_G3D,
+ ENABLE_PCLK_G3D,
+ ENABLE_SCLK_G3D,
+ ENABLE_IP_G3D0,
+ ENABLE_IP_G3D1,
+ CLKOUT_CMU_G3D,
+ CLKOUT_CMU_G3D_DIV_STAT,
+ CLK_STOPCTRL,
+};
+
+/* list of all parent clock list */
+PNAME(mout_aclk_g3d_400_p) = { "mout_g3d_pll", "aclk_g3d_400", };
+PNAME(mout_g3d_pll_p) = { "fin_pll", "fout_g3d_pll", };
+
+static struct samsung_pll_clock g3d_pll_clks[] __initdata = {
+ PLL(pll_35xx, CLK_FOUT_G3D_PLL, "fout_g3d_pll", "fin_pll",
+ G3D_PLL_LOCK, G3D_PLL_CON0, exynos5443_pll_rates),
+};
+
+static struct samsung_mux_clock g3d_mux_clks[] __initdata = {
+ /* MUX_SEL_G3D */
+ MUX(CLK_MOUT_ACLK_G3D_400, "mout_aclk_g3d_400", mout_aclk_g3d_400_p,
+ MUX_SEL_G3D, 8, 1),
+ MUX(CLK_MOUT_G3D_PLL, "mout_g3d_pll", mout_g3d_pll_p,
+ MUX_SEL_G3D, 0, 1),
+};
+
+static struct samsung_div_clock g3d_div_clks[] __initdata = {
+ /* DIV_G3D */
+ DIV(CLK_DIV_SCLK_HPM_G3D, "div_sclk_hpm_g3d", "mout_g3d_pll", DIV_G3D,
+ 8, 2),
+ DIV(CLK_DIV_PCLK_G3D, "div_pclk_g3d", "div_aclk_g3d", DIV_G3D,
+ 4, 3),
+ DIV(CLK_DIV_ACLK_G3D, "div_aclk_g3d", "mout_aclk_g3d_400", DIV_G3D,
+ 0, 3),
+};
+
+static struct samsung_gate_clock g3d_gate_clks[] __initdata = {
+ /* ENABLE_ACLK_G3D */
+ GATE(CLK_ACLK_BTS_G3D1, "aclk_bts_g3d1", "div_aclk_g3d",
+ ENABLE_ACLK_G3D, 7, 0, 0),
+ GATE(CLK_ACLK_BTS_G3D0, "aclk_bts_g3d0", "div_aclk_g3d",
+ ENABLE_ACLK_G3D, 6, 0, 0),
+ GATE(CLK_ACLK_ASYNCAPBS_G3D, "aclk_asyncapbs_g3d", "div_pclk_g3d",
+ ENABLE_ACLK_G3D, 5, 0, 0),
+ GATE(CLK_ACLK_ASYNCAPBM_G3D, "aclk_asyncapbm_g3d", "div_aclk_g3d",
+ ENABLE_ACLK_G3D, 4, 0, 0),
+ GATE(CLK_ACLK_AHB2APB_G3DP, "aclk_ahb2apb_g3dp", "div_pclk_g3d",
+ ENABLE_ACLK_G3D, 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_G3DNP_150, "aclk_g3dnp_150", "div_pclk_g3d",
+ ENABLE_ACLK_G3D, 2, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_G3DND_600, "aclk_g3dnd_600", "div_aclk_g3d",
+ ENABLE_ACLK_G3D, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_G3D, "aclk_g3d", "div_aclk_g3d",
+ ENABLE_ACLK_G3D, 0, 0, 0),
+
+ /* ENABLE_PCLK_G3D */
+ GATE(CLK_PCLK_BTS_G3D1, "pclk_bts_g3d1", "div_pclk_g3d",
+ ENABLE_PCLK_G3D, 3, 0, 0),
+ GATE(CLK_PCLK_BTS_G3D0, "pclk_bts_g3d0", "div_pclk_g3d",
+ ENABLE_PCLK_G3D, 2, 0, 0),
+ GATE(CLK_PCLK_PMU_G3D, "pclk_pmu_g3d", "div_pclk_g3d",
+ ENABLE_PCLK_G3D, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SYSREG_G3D, "pclk_sysreg_g3d", "div_pclk_g3d",
+ ENABLE_PCLK_G3D, 0, 0, 0),
+
+ /* ENABLE_SCLK_G3D */
+ GATE(CLK_SCLK_HPM_G3D, "sclk_hpm_g3d", "div_sclk_hpm_g3d",
+ ENABLE_SCLK_G3D, 0, 0, 0),
+};
+
+static struct samsung_cmu_info g3d_cmu_info __initdata = {
+ .pll_clks = g3d_pll_clks,
+ .nr_pll_clks = ARRAY_SIZE(g3d_pll_clks),
+ .mux_clks = g3d_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(g3d_mux_clks),
+ .div_clks = g3d_div_clks,
+ .nr_div_clks = ARRAY_SIZE(g3d_div_clks),
+ .gate_clks = g3d_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(g3d_gate_clks),
+ .nr_clk_ids = G3D_NR_CLK,
+ .clk_regs = g3d_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(g3d_clk_regs),
+};
+
+static void __init exynos5433_cmu_g3d_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &g3d_cmu_info);
+}
+CLK_OF_DECLARE(exynos5433_cmu_g3d, "samsung,exynos5433-cmu-g3d",
+ exynos5433_cmu_g3d_init);
diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h
index 3614044..d0fda01 100644
--- a/include/dt-bindings/clock/exynos5433.h
+++ b/include/dt-bindings/clock/exynos5433.h
@@ -804,4 +804,29 @@
#define BUS2_NR_CLK 10
+/* CMU_G3D */
+#define CLK_FOUT_G3D_PLL 1
+
+#define CLK_MOUT_ACLK_G3D_400 2
+#define CLK_MOUT_G3D_PLL 3
+
+#define CLK_DIV_SCLK_HPM_G3D 4
+#define CLK_DIV_PCLK_G3D 5
+#define CLK_DIV_ACLK_G3D 6
+#define CLK_ACLK_BTS_G3D1 7
+#define CLK_ACLK_BTS_G3D0 8
+#define CLK_ACLK_ASYNCAPBS_G3D 9
+#define CLK_ACLK_ASYNCAPBM_G3D 10
+#define CLK_ACLK_AHB2APB_G3DP 11
+#define CLK_ACLK_G3DNP_150 12
+#define CLK_ACLK_G3DND_600 13
+#define CLK_ACLK_G3D 14
+#define CLK_PCLK_BTS_G3D1 15
+#define CLK_PCLK_BTS_G3D0 16
+#define CLK_PCLK_PMU_G3D 17
+#define CLK_PCLK_SYSREG_G3D 18
+#define CLK_SCLK_HPM_G3D 19
+
+#define G3D_NR_CLK 20
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */
--
1.8.5.5
--
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