/* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Alexandre Belloni <alexandre.belloni@free-electrons.com> * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/kernel.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/slab.h> #include <dt-bindings/clock/berlin2.h> #include "berlin2-avpll.h" #include "berlin2-div.h" #include "berlin2-pll.h" #include "common.h" #define REG_PINMUX0 0x0000 #define REG_PINMUX1 0x0004 #define REG_SYSPLLCTL0 0x0014 #define REG_SYSPLLCTL4 0x0024 #define REG_MEMPLLCTL0 0x0028 #define REG_MEMPLLCTL4 0x0038 #define REG_CPUPLLCTL0 0x003c #define REG_CPUPLLCTL4 0x004c #define REG_AVPLLCTL0 0x0050 #define REG_AVPLLCTL31 0x00cc #define REG_AVPLLCTL62 0x0148 #define REG_PLLSTATUS 0x014c #define REG_CLKENABLE 0x0150 #define REG_CLKSELECT0 0x0154 #define REG_CLKSELECT1 0x0158 #define REG_CLKSELECT2 0x015c #define REG_CLKSELECT3 0x0160 #define REG_CLKSWITCH0 0x0164 #define REG_CLKSWITCH1 0x0168 #define REG_RESET_TRIGGER 0x0178 #define REG_RESET_STATUS0 0x017c #define REG_RESET_STATUS1 0x0180 #define REG_SW_GENERIC0 0x0184 #define REG_SW_GENERIC3 0x0190 #define REG_PRODUCTID 0x01cc #define REG_PRODUCTID_EXT 0x01d0 #define REG_GFX3DCORE_CLKCTL 0x022c #define REG_GFX3DSYS_CLKCTL 0x0230 #define REG_ARC_CLKCTL 0x0234 #define REG_VIP_CLKCTL 0x0238 #define REG_SDIO0XIN_CLKCTL 0x023c #define REG_SDIO1XIN_CLKCTL 0x0240 #define REG_GFX3DEXTRA_CLKCTL 0x0244 #define REG_GFX3D_RESET 0x0248 #define REG_GC360_CLKCTL 0x024c #define REG_SDIO_DLLMST_CLKCTL 0x0250 /* * BG2/BG2CD SoCs have the following audio/video I/O units: * * audiohd: HDMI TX audio * audio0: 7.1ch TX * audio1: 2ch TX * audio2: 2ch RX * audio3: SPDIF TX * video0: HDMI video * video1: Secondary video * video2: SD auxiliary video * * There are no external audio clocks (ACLKI0, ACLKI1) and * only one external video clock (VCLKI0). * * Currently missing bits and pieces: * - audio_fast_pll is unknown * - audiohd_pll is unknown * - video0_pll is unknown * - audio[023], audiohd parent pll is assumed to be audio_fast_pll * */ #define MAX_CLKS 41 static struct clk *clks[MAX_CLKS]; static struct clk_onecell_data clk_data; static DEFINE_SPINLOCK(lock); static void __iomem *gbase; enum { REFCLK, VIDEO_EXT0, SYSPLL, MEMPLL, CPUPLL, AVPLL_A1, AVPLL_A2, AVPLL_A3, AVPLL_A4, AVPLL_A5, AVPLL_A6, AVPLL_A7, AVPLL_A8, AVPLL_B1, AVPLL_B2, AVPLL_B3, AVPLL_B4, AVPLL_B5, AVPLL_B6, AVPLL_B7, AVPLL_B8, AUDIO1_PLL, AUDIO_FAST_PLL, VIDEO0_PLL, VIDEO0_IN, VIDEO1_PLL, VIDEO1_IN, VIDEO2_PLL, VIDEO2_IN, }; static const char *clk_names[] = { [REFCLK] = "refclk", [VIDEO_EXT0] = "video_ext0", [SYSPLL] = "syspll", [MEMPLL] = "mempll", [CPUPLL] = "cpupll", [AVPLL_A1] = "avpll_a1", [AVPLL_A2] = "avpll_a2", [AVPLL_A3] = "avpll_a3", [AVPLL_A4] = "avpll_a4", [AVPLL_A5] = "avpll_a5", [AVPLL_A6] = "avpll_a6", [AVPLL_A7] = "avpll_a7", [AVPLL_A8] = "avpll_a8", [AVPLL_B1] = "avpll_b1", [AVPLL_B2] = "avpll_b2", [AVPLL_B3] = "avpll_b3", [AVPLL_B4] = "avpll_b4", [AVPLL_B5] = "avpll_b5", [AVPLL_B6] = "avpll_b6", [AVPLL_B7] = "avpll_b7", [AVPLL_B8] = "avpll_b8", [AUDIO1_PLL] = "audio1_pll", [AUDIO_FAST_PLL] = "audio_fast_pll", [VIDEO0_PLL] = "video0_pll", [VIDEO0_IN] = "video0_in", [VIDEO1_PLL] = "video1_pll", [VIDEO1_IN] = "video1_in", [VIDEO2_PLL] = "video2_pll", [VIDEO2_IN] = "video2_in", }; static const struct berlin2_pll_map bg2_pll_map __initconst = { .vcodiv = {10, 15, 20, 25, 30, 40, 50, 60, 80}, .mult = 10, .fbdiv_shift = 6, .rfdiv_shift = 1, .divsel_shift = 7, }; static const u8 default_parent_ids[] = { SYSPLL, AVPLL_B4, AVPLL_A5, AVPLL_B6, AVPLL_B7, SYSPLL }; static const struct berlin2_div_data bg2_divs[] __initconst = { { .name = "sys", .parent_ids = (const u8 []){ SYSPLL, AVPLL_B4, AVPLL_B5, AVPLL_B6, AVPLL_B7, SYSPLL }, .num_parents = 6, .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 0), BERLIN2_PLL_SELECT(REG_CLKSELECT0, 0), BERLIN2_DIV_SELECT(REG_CLKSELECT0, 3), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 3), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 4), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 5), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = CLK_IGNORE_UNUSED, }, { .name = "cpu", .parent_ids = (const u8 []){ CPUPLL, MEMPLL, MEMPLL, MEMPLL, MEMPLL }, .num_parents = 5, .map = { BERLIN2_PLL_SELECT(REG_CLKSELECT0, 6), BERLIN2_DIV_SELECT(REG_CLKSELECT0, 9), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 6), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 7), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 8), }, .div_flags = BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "drmfigo", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 16), BERLIN2_PLL_SELECT(REG_CLKSELECT0, 17), BERLIN2_DIV_SELECT(REG_CLKSELECT0, 20), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 12), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 13), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 14), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "cfg", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 1), BERLIN2_PLL_SELECT(REG_CLKSELECT0, 23), BERLIN2_DIV_SELECT(REG_CLKSELECT0, 26), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 15), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 16), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 17), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "gfx", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 4), BERLIN2_PLL_SELECT(REG_CLKSELECT0, 29), BERLIN2_DIV_SELECT(REG_CLKSELECT1, 0), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 18), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 19), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 20), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "zsp", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 5), BERLIN2_PLL_SELECT(REG_CLKSELECT1, 3), BERLIN2_DIV_SELECT(REG_CLKSELECT1, 6), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 21), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 22), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 23), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "perif", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 6), BERLIN2_PLL_SELECT(REG_CLKSELECT1, 9), BERLIN2_DIV_SELECT(REG_CLKSELECT1, 12), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 24), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 25), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 26), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = CLK_IGNORE_UNUSED, }, { .name = "pcube", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 2), BERLIN2_PLL_SELECT(REG_CLKSELECT1, 15), BERLIN2_DIV_SELECT(REG_CLKSELECT1, 18), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 27), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 28), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 29), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "vscope", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 3), BERLIN2_PLL_SELECT(REG_CLKSELECT1, 21), BERLIN2_DIV_SELECT(REG_CLKSELECT1, 24), BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 30), BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 31), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 0), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "nfc_ecc", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 18), BERLIN2_PLL_SELECT(REG_CLKSELECT1, 27), BERLIN2_DIV_SELECT(REG_CLKSELECT2, 0), BERLIN2_PLL_SWITCH(REG_CLKSWITCH1, 1), BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 2), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 3), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "vpp", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 21), BERLIN2_PLL_SELECT(REG_CLKSELECT2, 3), BERLIN2_DIV_SELECT(REG_CLKSELECT2, 6), BERLIN2_PLL_SWITCH(REG_CLKSWITCH1, 4), BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 5), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 6), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "app", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 20), BERLIN2_PLL_SELECT(REG_CLKSELECT2, 9), BERLIN2_DIV_SELECT(REG_CLKSELECT2, 12), BERLIN2_PLL_SWITCH(REG_CLKSWITCH1, 7), BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 8), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 9), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "audio0", .parent_ids = (const u8 []){ AUDIO_FAST_PLL }, .num_parents = 1, .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 22), BERLIN2_DIV_SELECT(REG_CLKSELECT2, 17), BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 10), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 11), }, .div_flags = BERLIN2_DIV_HAS_GATE, .flags = 0, }, { .name = "audio2", .parent_ids = (const u8 []){ AUDIO_FAST_PLL }, .num_parents = 1, .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 24), BERLIN2_DIV_SELECT(REG_CLKSELECT2, 20), BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 14), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 15), }, .div_flags = BERLIN2_DIV_HAS_GATE, .flags = 0, }, { .name = "audio3", .parent_ids = (const u8 []){ AUDIO_FAST_PLL }, .num_parents = 1, .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 25), BERLIN2_DIV_SELECT(REG_CLKSELECT2, 23), BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 16), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 17), }, .div_flags = BERLIN2_DIV_HAS_GATE, .flags = 0, }, { .name = "audio1", .parent_ids = (const u8 []){ AUDIO1_PLL }, .num_parents = 1, .map = { BERLIN2_DIV_GATE(REG_CLKENABLE, 23), BERLIN2_DIV_SELECT(REG_CLKSELECT3, 0), BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 12), BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 13), }, .div_flags = BERLIN2_DIV_HAS_GATE, .flags = 0, }, { .name = "gfx3d_core", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_GFX3DCORE_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "gfx3d_sys", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_GFX3DSYS_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "arc", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_ARC_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "vip", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_VIP_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "sdio0xin", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_SDIO0XIN_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "sdio1xin", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_SDIO1XIN_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "gfx3d_extra", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_GFX3DEXTRA_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "gc360", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_GC360_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, { .name = "sdio_dllmst", .parent_ids = default_parent_ids, .num_parents = ARRAY_SIZE(default_parent_ids), .map = { BERLIN2_SINGLE_DIV(REG_SDIO_DLLMST_CLKCTL), }, .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX, .flags = 0, }, }; static const struct berlin2_gate_data bg2_gates[] __initconst = { { "geth0", "perif", 7 }, { "geth1", "perif", 8 }, { "sata", "perif", 9 }, { "ahbapb", "perif", 10, CLK_IGNORE_UNUSED }, { "usb0", "perif", 11 }, { "usb1", "perif", 12 }, { "pbridge", "perif", 13, CLK_IGNORE_UNUSED }, { "sdio0", "perif", 14, CLK_IGNORE_UNUSED }, { "sdio1", "perif", 15, CLK_IGNORE_UNUSED }, { "nfc", "perif", 17 }, { "smemc", "perif", 19 }, { "audiohd", "audiohd_pll", 26 }, { "video0", "video0_in", 27 }, { "video1", "video1_in", 28 }, { "video2", "video2_in", 29 }, }; static void __init berlin2_clock_setup(struct device_node *np) { const char *parent_names[9]; struct clk *clk; u8 avpll_flags = 0; int n; gbase = of_iomap(np, 0); if (!gbase) return; /* overwrite default clock names with DT provided ones */ clk = of_clk_get_by_name(np, clk_names[REFCLK]); if (!IS_ERR(clk)) { clk_names[REFCLK] = __clk_get_name(clk); clk_put(clk); } clk = of_clk_get_by_name(np, clk_names[VIDEO_EXT0]); if (!IS_ERR(clk)) { clk_names[VIDEO_EXT0] = __clk_get_name(clk); clk_put(clk); } /* simple register PLLs */ clk = berlin2_pll_register(&bg2_pll_map, gbase + REG_SYSPLLCTL0, clk_names[SYSPLL], clk_names[REFCLK], 0); if (IS_ERR(clk)) goto bg2_fail; clk = berlin2_pll_register(&bg2_pll_map, gbase + REG_MEMPLLCTL0, clk_names[MEMPLL], clk_names[REFCLK], 0); if (IS_ERR(clk)) goto bg2_fail; clk = berlin2_pll_register(&bg2_pll_map, gbase + REG_CPUPLLCTL0, clk_names[CPUPLL], clk_names[REFCLK], 0); if (IS_ERR(clk)) goto bg2_fail; if (of_device_is_compatible(np, "marvell,berlin2-global-register")) avpll_flags |= BERLIN2_AVPLL_SCRAMBLE_QUIRK; /* audio/video VCOs */ clk = berlin2_avpll_vco_register(gbase + REG_AVPLLCTL0, "avpll_vcoA", clk_names[REFCLK], avpll_flags, 0); if (IS_ERR(clk)) goto bg2_fail; for (n = 0; n < 8; n++) { clk = berlin2_avpll_channel_register(gbase + REG_AVPLLCTL0, clk_names[AVPLL_A1 + n], n, "avpll_vcoA", avpll_flags, 0); if (IS_ERR(clk)) goto bg2_fail; } clk = berlin2_avpll_vco_register(gbase + REG_AVPLLCTL31, "avpll_vcoB", clk_names[REFCLK], BERLIN2_AVPLL_BIT_QUIRK | avpll_flags, 0); if (IS_ERR(clk)) goto bg2_fail; for (n = 0; n < 8; n++) { clk = berlin2_avpll_channel_register(gbase + REG_AVPLLCTL31, clk_names[AVPLL_B1 + n], n, "avpll_vcoB", BERLIN2_AVPLL_BIT_QUIRK | avpll_flags, 0); if (IS_ERR(clk)) goto bg2_fail; } /* reference clock bypass switches */ parent_names[0] = clk_names[SYSPLL]; parent_names[1] = clk_names[REFCLK]; clk = clk_register_mux(NULL, "syspll_byp", parent_names, 2, 0, gbase + REG_CLKSWITCH0, 0, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; clk_names[SYSPLL] = __clk_get_name(clk); parent_names[0] = clk_names[MEMPLL]; parent_names[1] = clk_names[REFCLK]; clk = clk_register_mux(NULL, "mempll_byp", parent_names, 2, 0, gbase + REG_CLKSWITCH0, 1, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; clk_names[MEMPLL] = __clk_get_name(clk); parent_names[0] = clk_names[CPUPLL]; parent_names[1] = clk_names[REFCLK]; clk = clk_register_mux(NULL, "cpupll_byp", parent_names, 2, 0, gbase + REG_CLKSWITCH0, 2, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; clk_names[CPUPLL] = __clk_get_name(clk); /* clock muxes */ parent_names[0] = clk_names[AVPLL_B3]; parent_names[1] = clk_names[AVPLL_A3]; clk = clk_register_mux(NULL, clk_names[AUDIO1_PLL], parent_names, 2, 0, gbase + REG_CLKSELECT2, 29, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; parent_names[0] = clk_names[VIDEO0_PLL]; parent_names[1] = clk_names[VIDEO_EXT0]; clk = clk_register_mux(NULL, clk_names[VIDEO0_IN], parent_names, 2, 0, gbase + REG_CLKSELECT3, 4, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; parent_names[0] = clk_names[VIDEO1_PLL]; parent_names[1] = clk_names[VIDEO_EXT0]; clk = clk_register_mux(NULL, clk_names[VIDEO1_IN], parent_names, 2, 0, gbase + REG_CLKSELECT3, 6, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; parent_names[0] = clk_names[AVPLL_A2]; parent_names[1] = clk_names[AVPLL_B2]; clk = clk_register_mux(NULL, clk_names[VIDEO1_PLL], parent_names, 2, 0, gbase + REG_CLKSELECT3, 7, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; parent_names[0] = clk_names[VIDEO2_PLL]; parent_names[1] = clk_names[VIDEO_EXT0]; clk = clk_register_mux(NULL, clk_names[VIDEO2_IN], parent_names, 2, 0, gbase + REG_CLKSELECT3, 9, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; parent_names[0] = clk_names[AVPLL_B1]; parent_names[1] = clk_names[AVPLL_A5]; clk = clk_register_mux(NULL, clk_names[VIDEO2_PLL], parent_names, 2, 0, gbase + REG_CLKSELECT3, 10, 1, 0, &lock); if (IS_ERR(clk)) goto bg2_fail; /* clock divider cells */ for (n = 0; n < ARRAY_SIZE(bg2_divs); n++) { const struct berlin2_div_data *dd = &bg2_divs[n]; int k; for (k = 0; k < dd->num_parents; k++) parent_names[k] = clk_names[dd->parent_ids[k]]; clks[CLKID_SYS + n] = berlin2_div_register(&dd->map, gbase, dd->name, dd->div_flags, parent_names, dd->num_parents, dd->flags, &lock); } /* clock gate cells */ for (n = 0; n < ARRAY_SIZE(bg2_gates); n++) { const struct berlin2_gate_data *gd = &bg2_gates[n]; clks[CLKID_GETH0 + n] = clk_register_gate(NULL, gd->name, gd->parent_name, gd->flags, gbase + REG_CLKENABLE, gd->bit_idx, 0, &lock); } /* twdclk is derived from cpu/3 */ clks[CLKID_TWD] = clk_register_fixed_factor(NULL, "twd", "cpu", 0, 1, 3); /* check for errors on leaf clocks */ for (n = 0; n < MAX_CLKS; n++) { if (!IS_ERR(clks[n])) continue; pr_err("%s: Unable to register leaf clock %d\n", np->full_name, n); goto bg2_fail; } /* register clk-provider */ clk_data.clks = clks; clk_data.clk_num = MAX_CLKS; of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); return; bg2_fail: iounmap(gbase); } CLK_OF_DECLARE(berlin2_clock, "marvell,berlin2-chip-ctrl", berlin2_clock_setup); CLK_OF_DECLARE(berlin2cd_clock, "marvell,berlin2cd-chip-ctrl", berlin2_clock_setup);