clk: samsung: exynos5433: Add clocks for CMU_BUS{0|1|2} domains
This patch adds the mux/divider/gate clocks for CMU_BUS{0|1|2} domains
which contain global data buses clocked at up the 400MHz. These blocks
transfer data between DRAM and various sub-blocks. These clock domains
also contain global peripheral buses clocked at 67/111/200/222/266/333/400
MHz and used for register accesses.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This commit is contained in:
Chanwoo Choi
Sylwester Nawrocki
parent
2e997c0359
commit
5785d6e61f
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@ -438,6 +438,14 @@ static struct samsung_div_clock top_div_clks[] __initdata = {
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DIV(CLK_DIV_ACLK_PERIS_66_A, "div_aclk_peris_66_a",
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"mout_bus_pll_user", DIV_TOP3, 0, 3),
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/* DIV_TOP4 */
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DIV(CLK_DIV_ACLK_G3D_400, "div_aclk_g3d_400", "mout_bus_pll_user",
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DIV_TOP4, 8, 3),
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DIV(CLK_DIV_ACLK_BUS0_400, "div_aclk_bus0_400", "mout_aclk_bus0_400",
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DIV_TOP4, 4, 3),
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DIV(CLK_DIV_ACLK_BUS1_400, "div_aclk_bus1_400", "mout_bus_pll_user",
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DIV_TOP4, 0, 3),
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/* DIV_TOP_FSYS0 */
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DIV(CLK_DIV_SCLK_MMC1_B, "div_sclk_mmc1_b", "div_sclk_mmc1_a",
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DIV_TOP_FSYS0, 16, 8),
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@ -501,6 +509,23 @@ static struct samsung_div_clock top_div_clks[] __initdata = {
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static struct samsung_gate_clock top_gate_clks[] __initdata = {
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/* ENABLE_ACLK_TOP */
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GATE(CLK_ACLK_G3D_400, "aclk_g3d_400", "div_aclk_g3d_400",
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ENABLE_ACLK_TOP, 30, 0, 0),
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GATE(CLK_ACLK_IMEM_SSX_266, "aclk_imem_ssx_266",
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"div_aclk_imem_sssx_266", ENABLE_ACLK_TOP,
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29, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_ACLK_BUS0_400, "aclk_bus0_400", "div_aclk_bus0_400",
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ENABLE_ACLK_TOP, 26,
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CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0),
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GATE(CLK_ACLK_BUS1_400, "aclk_bus1_400", "div_aclk_bus1_400",
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ENABLE_ACLK_TOP, 25,
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CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0),
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GATE(CLK_ACLK_IMEM_200, "aclk_imem_200", "div_aclk_imem_266",
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ENABLE_ACLK_TOP, 24,
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CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0),
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GATE(CLK_ACLK_IMEM_266, "aclk_imem_266", "div_aclk_imem_200",
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ENABLE_ACLK_TOP, 23,
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CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0),
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GATE(CLK_ACLK_PERIC_66, "aclk_peric_66", "div_aclk_peric_66_b",
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ENABLE_ACLK_TOP, 22,
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CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
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@ -2631,3 +2656,165 @@ static void __init exynos5433_cmu_aud_init(struct device_node *np)
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}
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CLK_OF_DECLARE(exynos5433_cmu_aud, "samsung,exynos5433-cmu-aud",
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exynos5433_cmu_aud_init);
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/*
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* Register offset definitions for CMU_BUS{0|1|2}
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*/
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#define DIV_BUS 0x0600
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#define DIV_STAT_BUS 0x0700
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#define ENABLE_ACLK_BUS 0x0800
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#define ENABLE_PCLK_BUS 0x0900
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#define ENABLE_IP_BUS0 0x0b00
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#define ENABLE_IP_BUS1 0x0b04
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#define MUX_SEL_BUS2 0x0200 /* Only for CMU_BUS2 */
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#define MUX_ENABLE_BUS2 0x0300 /* Only for CMU_BUS2 */
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#define MUX_STAT_BUS2 0x0400 /* Only for CMU_BUS2 */
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/* list of all parent clock list */
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PNAME(mout_aclk_bus2_400_p) = { "oscclk", "aclk_bus2_400", };
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#define CMU_BUS_COMMON_CLK_REGS \
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DIV_BUS, \
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DIV_STAT_BUS, \
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ENABLE_ACLK_BUS, \
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ENABLE_PCLK_BUS, \
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ENABLE_IP_BUS0, \
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ENABLE_IP_BUS1
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static unsigned long bus01_clk_regs[] __initdata = {
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CMU_BUS_COMMON_CLK_REGS,
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};
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static unsigned long bus2_clk_regs[] __initdata = {
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MUX_SEL_BUS2,
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MUX_ENABLE_BUS2,
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MUX_STAT_BUS2,
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CMU_BUS_COMMON_CLK_REGS,
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};
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static struct samsung_div_clock bus0_div_clks[] __initdata = {
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/* DIV_BUS0 */
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DIV(CLK_DIV_PCLK_BUS_133, "div_pclk_bus0_133", "aclk_bus0_400",
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DIV_BUS, 0, 3),
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};
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/* CMU_BUS0 clocks */
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static struct samsung_gate_clock bus0_gate_clks[] __initdata = {
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/* ENABLE_ACLK_BUS0 */
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GATE(CLK_ACLK_AHB2APB_BUSP, "aclk_ahb2apb_bus0p", "div_pclk_bus0_133",
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ENABLE_ACLK_BUS, 4, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_ACLK_BUSNP_133, "aclk_bus0np_133", "div_pclk_bus0_133",
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ENABLE_ACLK_BUS, 2, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_ACLK_BUSND_400, "aclk_bus0nd_400", "aclk_bus0_400",
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ENABLE_ACLK_BUS, 0, CLK_IGNORE_UNUSED, 0),
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/* ENABLE_PCLK_BUS0 */
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GATE(CLK_PCLK_BUSSRVND_133, "pclk_bus0srvnd_133", "div_pclk_bus0_133",
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ENABLE_PCLK_BUS, 2, 0, 0),
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GATE(CLK_PCLK_PMU_BUS, "pclk_pmu_bus0", "div_pclk_bus0_133",
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ENABLE_PCLK_BUS, 1, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_PCLK_SYSREG_BUS, "pclk_sysreg_bus0", "div_pclk_bus0_133",
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ENABLE_PCLK_BUS, 0, CLK_IGNORE_UNUSED, 0),
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};
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/* CMU_BUS1 clocks */
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static struct samsung_div_clock bus1_div_clks[] __initdata = {
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/* DIV_BUS1 */
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DIV(CLK_DIV_PCLK_BUS_133, "div_pclk_bus1_133", "aclk_bus1_400",
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DIV_BUS, 0, 3),
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};
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static struct samsung_gate_clock bus1_gate_clks[] __initdata = {
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/* ENABLE_ACLK_BUS1 */
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GATE(CLK_ACLK_AHB2APB_BUSP, "aclk_ahb2apb_bus1p", "div_pclk_bus1_133",
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ENABLE_ACLK_BUS, 4, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_ACLK_BUSNP_133, "aclk_bus1np_133", "div_pclk_bus1_133",
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ENABLE_ACLK_BUS, 2, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_ACLK_BUSND_400, "aclk_bus1nd_400", "aclk_bus1_400",
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ENABLE_ACLK_BUS, 0, CLK_IGNORE_UNUSED, 0),
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/* ENABLE_PCLK_BUS1 */
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GATE(CLK_PCLK_BUSSRVND_133, "pclk_bus1srvnd_133", "div_pclk_bus1_133",
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ENABLE_PCLK_BUS, 2, 0, 0),
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GATE(CLK_PCLK_PMU_BUS, "pclk_pmu_bus1", "div_pclk_bus1_133",
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ENABLE_PCLK_BUS, 1, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_PCLK_SYSREG_BUS, "pclk_sysreg_bus1", "div_pclk_bus1_133",
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ENABLE_PCLK_BUS, 0, CLK_IGNORE_UNUSED, 0),
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};
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/* CMU_BUS2 clocks */
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static struct samsung_mux_clock bus2_mux_clks[] __initdata = {
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/* MUX_SEL_BUS2 */
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MUX(CLK_MOUT_ACLK_BUS2_400_USER, "mout_aclk_bus2_400_user",
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mout_aclk_bus2_400_p, MUX_SEL_BUS2, 0, 1),
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};
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static struct samsung_div_clock bus2_div_clks[] __initdata = {
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/* DIV_BUS2 */
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DIV(CLK_DIV_PCLK_BUS_133, "div_pclk_bus2_133",
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"mout_aclk_bus2_400_user", DIV_BUS, 0, 3),
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};
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static struct samsung_gate_clock bus2_gate_clks[] __initdata = {
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/* ENABLE_ACLK_BUS2 */
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GATE(CLK_ACLK_AHB2APB_BUSP, "aclk_ahb2apb_bus2p", "div_pclk_bus2_133",
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ENABLE_ACLK_BUS, 3, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_ACLK_BUSNP_133, "aclk_bus2np_133", "div_pclk_bus2_133",
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ENABLE_ACLK_BUS, 2, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_ACLK_BUS2BEND_400, "aclk_bus2bend_400",
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"mout_aclk_bus2_400_user", ENABLE_ACLK_BUS,
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1, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_ACLK_BUS2RTND_400, "aclk_bus2rtnd_400",
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"mout_aclk_bus2_400_user", ENABLE_ACLK_BUS,
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0, CLK_IGNORE_UNUSED, 0),
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/* ENABLE_PCLK_BUS2 */
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GATE(CLK_PCLK_BUSSRVND_133, "pclk_bus2srvnd_133", "div_pclk_bus2_133",
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ENABLE_PCLK_BUS, 2, 0, 0),
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GATE(CLK_PCLK_PMU_BUS, "pclk_pmu_bus2", "div_pclk_bus2_133",
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ENABLE_PCLK_BUS, 1, CLK_IGNORE_UNUSED, 0),
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GATE(CLK_PCLK_SYSREG_BUS, "pclk_sysreg_bus2", "div_pclk_bus2_133",
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ENABLE_PCLK_BUS, 0, CLK_IGNORE_UNUSED, 0),
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};
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#define CMU_BUS_INFO_CLKS(id) \
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.div_clks = bus##id##_div_clks, \
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.nr_div_clks = ARRAY_SIZE(bus##id##_div_clks), \
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.gate_clks = bus##id##_gate_clks, \
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.nr_gate_clks = ARRAY_SIZE(bus##id##_gate_clks), \
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.nr_clk_ids = BUSx_NR_CLK
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static struct samsung_cmu_info bus0_cmu_info __initdata = {
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CMU_BUS_INFO_CLKS(0),
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.clk_regs = bus01_clk_regs,
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.nr_clk_regs = ARRAY_SIZE(bus01_clk_regs),
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};
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static struct samsung_cmu_info bus1_cmu_info __initdata = {
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CMU_BUS_INFO_CLKS(1),
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.clk_regs = bus01_clk_regs,
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.nr_clk_regs = ARRAY_SIZE(bus01_clk_regs),
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};
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static struct samsung_cmu_info bus2_cmu_info __initdata = {
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CMU_BUS_INFO_CLKS(2),
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.mux_clks = bus2_mux_clks,
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.nr_mux_clks = ARRAY_SIZE(bus2_mux_clks),
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.clk_regs = bus2_clk_regs,
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.nr_clk_regs = ARRAY_SIZE(bus2_clk_regs),
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};
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#define exynos5433_cmu_bus_init(id) \
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static void __init exynos5433_cmu_bus##id##_init(struct device_node *np)\
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{ \
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samsung_cmu_register_one(np, &bus##id##_cmu_info); \
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} \
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CLK_OF_DECLARE(exynos5433_cmu_bus##id, \
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"samsung,exynos5433-cmu-bus"#id, \
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exynos5433_cmu_bus##id##_init)
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exynos5433_cmu_bus_init(0);
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exynos5433_cmu_bus_init(1);
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exynos5433_cmu_bus_init(2);
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@ -107,6 +107,9 @@
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#define CLK_DIV_ACLK_MFC_400 134
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#define CLK_DIV_ACLK_G2D_266 135
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#define CLK_DIV_ACLK_G2D_400 136
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#define CLK_DIV_ACLK_G3D_400 137
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#define CLK_DIV_ACLK_BUS0_400 138
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#define CLK_DIV_ACLK_BUS1_400 139
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#define CLK_ACLK_PERIC_66 200
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#define CLK_ACLK_PERIS_66 201
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@ -130,8 +133,14 @@
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#define CLK_SCLK_AUDIO0 219
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#define CLK_ACLK_G2D_266 220
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#define CLK_ACLK_G2D_400 221
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#define CLK_ACLK_G3D_400 222
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#define CLK_ACLK_IMEM_SSX_266 223
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#define CLK_ACLK_BUS0_400 224
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#define CLK_ACLK_BUS1_400 225
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#define CLK_ACLK_IMEM_200 226
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#define CLK_ACLK_IMEM_266 227
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#define TOP_NR_CLK 222
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#define TOP_NR_CLK 228
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/* CMU_CPIF */
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#define CLK_FOUT_MPHY_PLL 1
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@ -679,4 +688,20 @@
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#define AUD_NR_CLK 48
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/* CMU_BUS{0|1|2} */
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#define CLK_DIV_PCLK_BUS_133 1
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#define CLK_ACLK_AHB2APB_BUSP 2
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#define CLK_ACLK_BUSNP_133 3
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#define CLK_ACLK_BUSND_400 4
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#define CLK_PCLK_BUSSRVND_133 5
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#define CLK_PCLK_PMU_BUS 6
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#define CLK_PCLK_SYSREG_BUS 7
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#define CLK_MOUT_ACLK_BUS2_400_USER 8 /* Only CMU_BUS2 */
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#define CLK_ACLK_BUS2BEND_400 9 /* Only CMU_BUS2 */
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#define CLK_ACLK_BUS2RTND_400 10 /* Only CMU_BUS2 */
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#define BUSx_NR_CLK 11
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#endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */
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