[PATCH v2 2/9] clk: samsung: exynos5433: Add clocks for CMU_ATLAS domain

From: Chanwoo Choi
Date: Mon Feb 02 2015 - 08:12:46 EST

This patch adds the mux/divider/gate clocks for CMU_ATLAS domain which
generates the clocks for Cortex-A57 Quad-core processsor, L2 cache controller
and CoreSight.

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 | 12 ++
drivers/clk/samsung/clk-exynos5433.c | 219 +++++++++++++++++++++
include/dt-bindings/clock/exynos5433.h | 46 +++++
3 files changed, 277 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
index f228ffa..2446b6d 100644
--- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
@@ -34,6 +34,9 @@ Required Properties:
which generates clocks for GSCALER IPs.
- "samsung,exynos5433-cmu-apollo"- clock controller compatible for CMU_APOLLO
which generates clocks for Cortex-A53 Quad-core processor.
+ - "samsung,exynos5433-cmu-atlas" - clock controller compatible for CMU_ATLAS
+ which generates clocks for Cortex-A57 Quad-core processor, CoreSight and
+ L2 cache controller.

- reg: physical base address of the controller and length of memory mapped
region.
@@ -233,6 +236,15 @@ Example 2: Examples of clock controller nodes are listed below.
clocks = <&xxti>, <&cmu_mif CLK_SCLK_BUS_PLL_APOLLO>;
};

+ cmu_atlas: clock-controller@11800000 {
+ compatible = "samsung,exynos5433-cmu-atlas";
+ reg = <0x11800000 0x1088>;
+ #clock-cells = <1>;
+
+ clock-names = "oscclk", "sclk_bus_pll_atlas";
+ clocks = <&xxti>, <&cmu_mif CLK_SCLK_BUS_PLL_ATLAS>;
+ };
+
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 9a5d33c..7abe9ce 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -3586,3 +3586,222 @@ static void __init exynos5433_cmu_apollo_init(struct device_node *np)
}
CLK_OF_DECLARE(exynos5433_cmu_apollo, "samsung,exynos5433-cmu-apollo",
exynos5433_cmu_apollo_init);
+
+/*
+ * Register offset definitions for CMU_ATLAS
+ */
+#define ATLAS_PLL_LOCK 0x0000
+#define ATLAS_PLL_CON0 0x0100
+#define ATLAS_PLL_CON1 0x0104
+#define ATLAS_PLL_FREQ_DET 0x010c
+#define MUX_SEL_ATLAS0 0x0200
+#define MUX_SEL_ATLAS1 0x0204
+#define MUX_SEL_ATLAS2 0x0208
+#define MUX_ENABLE_ATLAS0 0x0300
+#define MUX_ENABLE_ATLAS1 0x0304
+#define MUX_ENABLE_ATLAS2 0x0308
+#define MUX_STAT_ATLAS0 0x0400
+#define MUX_STAT_ATLAS1 0x0404
+#define MUX_STAT_ATLAS2 0x0408
+#define DIV_ATLAS0 0x0600
+#define DIV_ATLAS1 0x0604
+#define DIV_ATLAS_PLL_FREQ_DET 0x0608
+#define DIV_STAT_ATLAS0 0x0700
+#define DIV_STAT_ATLAS1 0x0704
+#define DIV_STAT_ATLAS_PLL_FREQ_DET 0x0708
+#define ENABLE_ACLK_ATLAS 0x0800
+#define ENABLE_PCLK_ATLAS 0x0900
+#define ENABLE_SCLK_ATLAS 0x0a00
+#define ENABLE_IP_ATLAS0 0x0b00
+#define ENABLE_IP_ATLAS1 0x0b04
+#define CLKOUT_CMU_ATLAS 0x0c00
+#define CLKOUT_CMU_ATLAS_DIV_STAT 0x0c04
+#define ARMCLK_STOPCTRL 0x1000
+#define ATLAS_PWR_CTRL 0x1020
+#define ATLAS_PWR_CTRL2 0x1024
+#define ATLAS_INTR_SPREAD_ENABLE 0x1080
+#define ATLAS_INTR_SPREAD_USE_STANDBYWFI 0x1084
+#define ATLAS_INTR_SPREAD_BLOCKING_DURATION 0x1088
+
+static unsigned long atlas_clk_regs[] __initdata = {
+ ATLAS_PLL_LOCK,
+ ATLAS_PLL_CON0,
+ ATLAS_PLL_CON1,
+ ATLAS_PLL_FREQ_DET,
+ MUX_SEL_ATLAS0,
+ MUX_SEL_ATLAS1,
+ MUX_SEL_ATLAS2,
+ MUX_ENABLE_ATLAS0,
+ MUX_ENABLE_ATLAS1,
+ MUX_ENABLE_ATLAS2,
+ MUX_STAT_ATLAS0,
+ MUX_STAT_ATLAS1,
+ MUX_STAT_ATLAS2,
+ DIV_ATLAS0,
+ DIV_ATLAS1,
+ DIV_ATLAS_PLL_FREQ_DET,
+ DIV_STAT_ATLAS0,
+ DIV_STAT_ATLAS1,
+ DIV_STAT_ATLAS_PLL_FREQ_DET,
+ ENABLE_ACLK_ATLAS,
+ ENABLE_PCLK_ATLAS,
+ ENABLE_SCLK_ATLAS,
+ ENABLE_IP_ATLAS0,
+ ENABLE_IP_ATLAS1,
+ CLKOUT_CMU_ATLAS,
+ CLKOUT_CMU_ATLAS_DIV_STAT,
+ ARMCLK_STOPCTRL,
+ ATLAS_PWR_CTRL,
+ ATLAS_PWR_CTRL2,
+ ATLAS_INTR_SPREAD_ENABLE,
+ ATLAS_INTR_SPREAD_USE_STANDBYWFI,
+ ATLAS_INTR_SPREAD_BLOCKING_DURATION,
+};
+
+/* list of all parent clock list */
+PNAME(mout_atlas_pll_p) = { "oscclk", "fout_atlas_pll", };
+PNAME(mout_bus_pll_atlas_user_p) = { "oscclk", "sclk_bus_pll_atlas", };
+PNAME(mout_atlas_p) = { "mout_atlas_pll",
+ "mout_bus_pll_atlas_user", };
+
+static struct samsung_pll_clock atlas_pll_clks[] __initdata = {
+ PLL(pll_35xx, CLK_FOUT_ATLAS_PLL, "fout_atlas_pll", "oscclk",
+ ATLAS_PLL_LOCK, ATLAS_PLL_CON0, exynos5443_pll_rates),
+};
+
+static struct samsung_mux_clock atlas_mux_clks[] __initdata = {
+ /* MUX_SEL_ATLAS0 */
+ MUX_F(CLK_MOUT_ATLAS_PLL, "mout_atlas_pll", mout_atlas_pll_p,
+ MUX_SEL_ATLAS0, 0, 1, 0, CLK_MUX_READ_ONLY),
+
+ /* MUX_SEL_ATLAS1 */
+ MUX(CLK_MOUT_BUS_PLL_ATLAS_USER, "mout_bus_pll_atlas_user",
+ mout_bus_pll_atlas_user_p, MUX_SEL_ATLAS1, 0, 1),
+
+ /* MUX_SEL_ATLAS2 */
+ MUX_F(CLK_MOUT_ATLAS, "mout_atlas", mout_atlas_p, MUX_SEL_ATLAS2,
+ 0, 1, 0, CLK_MUX_READ_ONLY),
+};
+
+static struct samsung_div_clock atlas_div_clks[] __initdata = {
+ /* DIV_ATLAS0 */
+ DIV_F(CLK_DIV_CNTCLK_ATLAS, "div_cntclk_atlas", "div_atlas2",
+ DIV_ATLAS0, 24, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+ DIV_F(CLK_DIV_PCLK_DBG_ATLAS, "div_pclk_dbg_atlas", "div_atclk_atlas",
+ DIV_ATLAS0, 20, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+ DIV_F(CLK_DIV_ATCLK_ATLASO, "div_atclk_atlas", "div_atlas2",
+ DIV_ATLAS0, 16, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+ DIV_F(CLK_DIV_PCLK_ATLAS, "div_pclk_atlas", "div_atlas2",
+ DIV_ATLAS0, 12, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+ DIV_F(CLK_DIV_ACLK_ATLAS, "div_aclk_atlas", "div_atlas2",
+ DIV_ATLAS0, 8, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+ DIV_F(CLK_DIV_ATLAS2, "div_atlas2", "div_atlas1",
+ DIV_ATLAS0, 4, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+ DIV_F(CLK_DIV_ATLAS1, "div_atlas1", "mout_atlas",
+ DIV_ATLAS0, 0, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+
+ /* DIV_ATLAS1 */
+ DIV_F(CLK_DIV_SCLK_HPM_ATLAS, "div_sclk_hpm_atlas", "mout_atlas",
+ DIV_ATLAS1, 4, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+ DIV_F(CLK_DIV_ATLAS_PLL, "div_atlas_pll", "mout_atlas",
+ DIV_ATLAS1, 0, 3, CLK_GET_RATE_NOCACHE,
+ CLK_DIVIDER_READ_ONLY),
+};
+
+static struct samsung_gate_clock atlas_gate_clks[] __initdata = {
+ /* ENABLE_ACLK_ATLAS */
+ GATE(CLK_ACLK_ATB_AUD_CSSYS, "aclk_atb_aud_cssys",
+ "div_atclk_atlas", ENABLE_ACLK_ATLAS,
+ 9, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_ATB_APOLLO3_CSSYS, "aclk_atb_apollo3_cssys",
+ "div_atclk_atlas", ENABLE_ACLK_ATLAS,
+ 8, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_ATB_APOLLO2_CSSYS, "aclk_atb_apollo2_cssys",
+ "div_atclk_atlas", ENABLE_ACLK_ATLAS,
+ 7, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_ATB_APOLLO1_CSSYS, "aclk_atb_apollo1_cssys",
+ "div_atclk_atlas", ENABLE_ACLK_ATLAS,
+ 6, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_ATB_APOLLO0_CSSYS, "aclk_atb_apollo0_cssys",
+ "div_atclk_atlas", ENABLE_ACLK_ATLAS,
+ 5, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_ASYNCAHBS_CSSYS_SSS, "aclk_asyncahbs_cssys_sss",
+ "div_atclk_atlas", ENABLE_ACLK_ATLAS,
+ 4, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_ASYNCAXIS_CSSYS_CCIX, "aclk_asyncaxis_cssys_ccix",
+ "div_pclk_dbg_atlas", ENABLE_ACLK_ATLAS,
+ 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_ASYNCACES_ATLAS_CCI, "aclk_asyncaces_atlas_cci",
+ "div_aclk_atlas", ENABLE_ACLK_ATLAS,
+ 2, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_AHB2APB_ATLASP, "aclk_ahb2apb_atlasp", "div_pclk_atlas",
+ ENABLE_ACLK_ATLAS, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ACLK_ATLASNP_200, "aclk_atlasnp_200", "div_pclk_atlas",
+ ENABLE_ACLK_ATLAS, 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_PCLK_ATLAS */
+ GATE(CLK_PCLK_ASYNCAPB_AUD_CSSYS, "pclk_asyncapb_aud_cssys",
+ "div_pclk_dbg_atlas", ENABLE_PCLK_ATLAS,
+ 5, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_ASYNCAPB_ISP_CSSYS, "pclk_asyncapb_isp_cssys",
+ "div_pclk_dbg_atlas", ENABLE_PCLK_ATLAS,
+ 4, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_ASYNCAPB_APOLLO_CSSYS, "pclk_asyncapb_apollo_cssys",
+ "div_pclk_dbg_atlas", ENABLE_PCLK_ATLAS,
+ 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_PMU_ATLAS, "pclk_pmu_atlas", "div_pclk_atlas",
+ ENABLE_PCLK_ATLAS, 2, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SYSREG_ATLAS, "pclk_sysreg_atlas", "div_pclk_atlas",
+ ENABLE_PCLK_ATLAS, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_SECJTAG, "pclk_secjtag", "div_pclk_dbg_atlas",
+ ENABLE_PCLK_ATLAS, 0, CLK_IGNORE_UNUSED, 0),
+
+ /* ENABLE_SCLK_ATLAS */
+ GATE(CLK_CNTCLK_ATLAS, "cntclk_atlas", "div_cntclk_atlas",
+ ENABLE_SCLK_ATLAS, 10, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_SCLK_HPM_ATLAS, "sclk_hpm_atlas", "div_sclk_hpm_atlas",
+ ENABLE_SCLK_ATLAS, 7, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_TRACECLK, "traceclk", "div_atclk_atlas",
+ ENABLE_SCLK_ATLAS, 6, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_CTMCLK, "ctmclk", "div_atclk_atlas",
+ ENABLE_SCLK_ATLAS, 5, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_HCLK_CSSYS, "hclk_cssys", "div_atclk_atlas",
+ ENABLE_SCLK_ATLAS, 4, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_DBG_CSSYS, "pclk_dbg_cssys", "div_pclk_dbg_atlas",
+ ENABLE_SCLK_ATLAS, 3, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_PCLK_DBG, "pclk_dbg", "div_pclk_dbg_atlas",
+ ENABLE_SCLK_ATLAS, 2, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_ATCLK, "atclk", "div_atclk_atlas",
+ ENABLE_SCLK_ATLAS, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_SCLK_ATLAS, "sclk_atlas", "div_atlas2",
+ ENABLE_SCLK_ATLAS, 0, CLK_IGNORE_UNUSED, 0),
+};
+
+static struct samsung_cmu_info atlas_cmu_info __initdata = {
+ .pll_clks = atlas_pll_clks,
+ .nr_pll_clks = ARRAY_SIZE(atlas_pll_clks),
+ .mux_clks = atlas_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(atlas_mux_clks),
+ .div_clks = atlas_div_clks,
+ .nr_div_clks = ARRAY_SIZE(atlas_div_clks),
+ .gate_clks = atlas_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(atlas_gate_clks),
+ .nr_clk_ids = ATLAS_NR_CLK,
+ .clk_regs = atlas_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(atlas_clk_regs),
+};
+
+static void __init exynos5433_cmu_atlas_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &atlas_cmu_info);
+}
+CLK_OF_DECLARE(exynos5433_cmu_atlas, "samsung,exynos5433-cmu-atlas",
+ exynos5433_cmu_atlas_init);
diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h
index 9d3b76f..22b02e7 100644
--- a/include/dt-bindings/clock/exynos5433.h
+++ b/include/dt-bindings/clock/exynos5433.h
@@ -891,4 +891,50 @@

#define APOLLO_NR_CLK 31

+/* CMU_ATLAS */
+#define CLK_FOUT_ATLAS_PLL 1
+
+#define CLK_MOUT_ATLAS_PLL 2
+#define CLK_MOUT_BUS_PLL_ATLAS_USER 3
+#define CLK_MOUT_ATLAS 4
+
+#define CLK_DIV_CNTCLK_ATLAS 5
+#define CLK_DIV_PCLK_DBG_ATLAS 6
+#define CLK_DIV_ATCLK_ATLASO 7
+#define CLK_DIV_PCLK_ATLAS 8
+#define CLK_DIV_ACLK_ATLAS 9
+#define CLK_DIV_ATLAS2 10
+#define CLK_DIV_ATLAS1 11
+#define CLK_DIV_SCLK_HPM_ATLAS 12
+#define CLK_DIV_ATLAS_PLL 13
+
+#define CLK_ACLK_ATB_AUD_CSSYS 14
+#define CLK_ACLK_ATB_APOLLO3_CSSYS 15
+#define CLK_ACLK_ATB_APOLLO2_CSSYS 16
+#define CLK_ACLK_ATB_APOLLO1_CSSYS 17
+#define CLK_ACLK_ATB_APOLLO0_CSSYS 18
+#define CLK_ACLK_ASYNCAHBS_CSSYS_SSS 19
+#define CLK_ACLK_ASYNCAXIS_CSSYS_CCIX 20
+#define CLK_ACLK_ASYNCACES_ATLAS_CCI 21
+#define CLK_ACLK_AHB2APB_ATLASP 22
+#define CLK_ACLK_ATLASNP_200 23
+#define CLK_PCLK_ASYNCAPB_AUD_CSSYS 24
+#define CLK_PCLK_ASYNCAPB_ISP_CSSYS 25
+#define CLK_PCLK_ASYNCAPB_APOLLO_CSSYS 26
+#define CLK_PCLK_PMU_ATLAS 27
+#define CLK_PCLK_SYSREG_ATLAS 28
+#define CLK_PCLK_SECJTAG 29
+#define CLK_CNTCLK_ATLAS 30
+#define CLK_SCLK_FREQ_DET_ATLAS_PLL 31
+#define CLK_SCLK_HPM_ATLAS 32
+#define CLK_TRACECLK 33
+#define CLK_CTMCLK 34
+#define CLK_HCLK_CSSYS 35
+#define CLK_PCLK_DBG_CSSYS 36
+#define CLK_PCLK_DBG 37
+#define CLK_ATCLK 38
+#define CLK_SCLK_ATLAS 39
+
+#define ATLAS_NR_CLK 40
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */
--
1.8.5.5

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