[PATCH 3/3] clk: samsung: exynos5433: add CPU clocks configuration data and instantiate CPU clocks

Bartlomiej Zolnierkiewicz
2016-05-24T13:19:17Z

Add the CPU clocks configuration data and instantiate the CPU clocks
type for Exynos5433.

Cc: Kukjin Kim <kgene@kernel.org>
CC: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
drivers/clk/samsung/clk-exynos5433.c | 72 ++++++++++++++++++++++++++++++++----
1 file changed, 64 insertions(+), 8 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
index 6dd81ed..9ff6160 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -16,6 +16,7 @@
#include <dt-bindings/clock/exynos5433.h>

#include "clk.h"
+#include "clk-cpu.h"
#include "clk-pll.h"

/*
@@ -3509,7 +3510,8 @@ static struct samsung_pll_clock apollo_pll_clks[] __initdata = {
static struct samsung_mux_clock apollo_mux_clks[] __initdata = {
/* MUX_SEL_APOLLO0 */
MUX_F(CLK_MOUT_APOLLO_PLL, "mout_apollo_pll", mout_apollo_pll_p,
- MUX_SEL_APOLLO0, 0, 1, CLK_SET_RATE_PARENT, 0),
+ MUX_SEL_APOLLO0, 0, 1, CLK_SET_RATE_PARENT |
+ CLK_RECALC_NEW_RATES, 0),

/* MUX_SEL_APOLLO1 */
MUX(CLK_MOUT_BUS_PLL_APOLLO_USER, "mout_bus_pll_apollo_user",
@@ -3590,9 +3592,27 @@ static struct samsung_gate_clock apollo_gate_clks[] __initdata = {
ENABLE_SCLK_APOLLO, 3, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SCLK_HPM_APOLLO, "sclk_hpm_apollo", "div_sclk_hpm_apollo",
ENABLE_SCLK_APOLLO, 1, CLK_IGNORE_UNUSED, 0),
- GATE(CLK_SCLK_APOLLO, "sclk_apollo", "div_apollo2",
- ENABLE_SCLK_APOLLO, 0,
- CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0),
+};
+
+#define E5433_APOLLO_DIV0(cntclk, pclk_dbg, atclk, pclk, aclk) \
+ (((cntclk) << 24) | ((pclk_dbg) << 20) | ((atclk) << 16) | \
+ ((pclk) << 12) | ((aclk) << 8))
+
+#define E5433_APOLLO_DIV1(hpm, copy) \
+ (((hpm) << 4) | ((copy) << 0))
+
+static const struct exynos_cpuclk_cfg_data exynos5433_apolloclk_d[] __initconst = {
+ { 1300000, E5433_APOLLO_DIV0(3, 7, 7, 7, 2), E5433_APOLLO_DIV1(7, 1), },
+ { 1200000, E5433_APOLLO_DIV0(3, 7, 7, 7, 2), E5433_APOLLO_DIV1(7, 1), },
+ { 1100000, E5433_APOLLO_DIV0(3, 7, 7, 7, 2), E5433_APOLLO_DIV1(7, 1), },
+ { 1000000, E5433_APOLLO_DIV0(3, 7, 7, 7, 2), E5433_APOLLO_DIV1(7, 1), },
+ { 900000, E5433_APOLLO_DIV0(3, 7, 7, 7, 2), E5433_APOLLO_DIV1(7, 1), },
+ { 800000, E5433_APOLLO_DIV0(3, 7, 7, 7, 2), E5433_APOLLO_DIV1(7, 1), },
+ { 700000, E5433_APOLLO_DIV0(3, 7, 7, 7, 2), E5433_APOLLO_DIV1(7, 1), },
+ { 600000, E5433_APOLLO_DIV0(3, 7, 7, 7, 1), E5433_APOLLO_DIV1(7, 1), },
+ { 500000, E5433_APOLLO_DIV0(3, 7, 7, 7, 1), E5433_APOLLO_DIV1(7, 1), },
+ { 400000, E5433_APOLLO_DIV0(3, 7, 7, 7, 1), E5433_APOLLO_DIV1(7, 1), },
+ { 0 },
};

static void __init exynos5433_cmu_apollo_init(struct device_node *np)
@@ -3620,6 +3640,12 @@ static void __init exynos5433_cmu_apollo_init(struct device_node *np)
ARRAY_SIZE(apollo_div_clks));
samsung_clk_register_gate(ctx, apollo_gate_clks,
ARRAY_SIZE(apollo_gate_clks));
+
+ exynos_register_cpu_clock(ctx, CLK_SCLK_APOLLO, "apolloclk",
+ mout_apollo_p[0], mout_apollo_p[1], 0x200,
+ exynos5433_apolloclk_d, ARRAY_SIZE(exynos5433_apolloclk_d),
+ CLK_CPU_HAS_E5433_REGS_LAYOUT);
+
samsung_clk_sleep_init(reg_base, apollo_clk_regs,
ARRAY_SIZE(apollo_clk_regs));

@@ -3707,7 +3733,8 @@ static struct samsung_pll_clock atlas_pll_clks[] __initdata = {
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, CLK_SET_RATE_PARENT, 0),
+ MUX_SEL_ATLAS0, 0, 1, CLK_SET_RATE_PARENT |
+ CLK_RECALC_NEW_RATES, 0),

/* MUX_SEL_ATLAS1 */
MUX(CLK_MOUT_BUS_PLL_ATLAS_USER, "mout_bus_pll_atlas_user",
@@ -3814,9 +3841,32 @@ static struct samsung_gate_clock atlas_gate_clks[] __initdata = {
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 | CLK_SET_RATE_PARENT, 0),
+};
+
+#define E5433_ATLAS_DIV0(cntclk, pclk_dbg, atclk, pclk, aclk) \
+ (((cntclk) << 24) | ((pclk_dbg) << 20) | ((atclk) << 16) | \
+ ((pclk) << 12) | ((aclk) << 8))
+
+#define E5433_ATLAS_DIV1(hpm, copy) \
+ (((hpm) << 4) | ((copy) << 0))
+
+static const struct exynos_cpuclk_cfg_data exynos5433_atlasclk_d[] __initconst = {
+ { 1900000, E5433_ATLAS_DIV0(7, 7, 7, 7, 4), E5433_ATLAS_DIV1(7, 1), },
+ { 1800000, E5433_ATLAS_DIV0(7, 7, 7, 7, 4), E5433_ATLAS_DIV1(7, 1), },
+ { 1700000, E5433_ATLAS_DIV0(7, 7, 7, 7, 4), E5433_ATLAS_DIV1(7, 1), },
+ { 1600000, E5433_ATLAS_DIV0(7, 7, 7, 7, 4), E5433_ATLAS_DIV1(7, 1), },
+ { 1500000, E5433_ATLAS_DIV0(7, 7, 7, 7, 3), E5433_ATLAS_DIV1(7, 1), },
+ { 1400000, E5433_ATLAS_DIV0(7, 7, 7, 7, 3), E5433_ATLAS_DIV1(7, 1), },
+ { 1300000, E5433_ATLAS_DIV0(7, 7, 7, 7, 3), E5433_ATLAS_DIV1(7, 1), },
+ { 1200000, E5433_ATLAS_DIV0(7, 7, 7, 7, 3), E5433_ATLAS_DIV1(7, 1), },
+ { 1100000, E5433_ATLAS_DIV0(7, 7, 7, 7, 3), E5433_ATLAS_DIV1(7, 1), },
+ { 1000000, E5433_ATLAS_DIV0(7, 7, 7, 7, 3), E5433_ATLAS_DIV1(7, 1), },
+ { 900000, E5433_ATLAS_DIV0(7, 7, 7, 7, 2), E5433_ATLAS_DIV1(7, 1), },
+ { 800000, E5433_ATLAS_DIV0(7, 7, 7, 7, 2), E5433_ATLAS_DIV1(7, 1), },
+ { 700000, E5433_ATLAS_DIV0(7, 7, 7, 7, 2), E5433_ATLAS_DIV1(7, 1), },
+ { 600000, E5433_ATLAS_DIV0(7, 7, 7, 7, 2), E5433_ATLAS_DIV1(7, 1), },
+ { 500000, E5433_ATLAS_DIV0(7, 7, 7, 7, 2), E5433_ATLAS_DIV1(7, 1), },
+ { 0 },
};

static void __init exynos5433_cmu_atlas_init(struct device_node *np)
@@ -3844,6 +3894,12 @@ static void __init exynos5433_cmu_atlas_init(struct device_node *np)
ARRAY_SIZE(atlas_div_clks));
samsung_clk_register_gate(ctx, atlas_gate_clks,
ARRAY_SIZE(atlas_gate_clks));
+
+ exynos_register_cpu_clock(ctx, CLK_SCLK_ATLAS, "atlasclk",
+ mout_atlas_p[0], mout_atlas_p[1], 0x200,
+ exynos5433_atlasclk_d, ARRAY_SIZE(exynos5433_atlasclk_d),
+ CLK_CPU_HAS_E5433_REGS_LAYOUT);
+
samsung_clk_sleep_init(reg_base, atlas_clk_regs,
ARRAY_SIZE(atlas_clk_regs));

--
1.9.1