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Diffstat (limited to '')
| -rw-r--r-- | drivers/clk/berlin/bg2.c | 687 |
1 files changed, 687 insertions, 0 deletions
diff --git a/drivers/clk/berlin/bg2.c b/drivers/clk/berlin/bg2.c new file mode 100644 index 000000000..67a9edbba --- /dev/null +++ b/drivers/clk/berlin/bg2.c @@ -0,0 +1,687 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2014 Marvell Technology Group Ltd. + * + * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> + * Alexandre Belloni <alexandre.belloni@free-electrons.com> + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/io.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_hw_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 }, + { "sdio1", "perif", 15 }, + { "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) +{ + struct device_node *parent_np = of_get_parent(np); + const char *parent_names[9]; + struct clk *clk; + struct clk_hw *hw; + struct clk_hw **hws; + u8 avpll_flags = 0; + int n, ret; + + clk_data = kzalloc(struct_size(clk_data, hws, MAX_CLKS), GFP_KERNEL); + if (!clk_data) { + of_node_put(parent_np); + return; + } + clk_data->num = MAX_CLKS; + hws = clk_data->hws; + + gbase = of_iomap(parent_np, 0); + of_node_put(parent_np); + 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 */ + ret = berlin2_pll_register(&bg2_pll_map, gbase + REG_SYSPLLCTL0, + clk_names[SYSPLL], clk_names[REFCLK], 0); + if (ret) + goto bg2_fail; + + ret = berlin2_pll_register(&bg2_pll_map, gbase + REG_MEMPLLCTL0, + clk_names[MEMPLL], clk_names[REFCLK], 0); + if (ret) + goto bg2_fail; + + ret = berlin2_pll_register(&bg2_pll_map, gbase + REG_CPUPLLCTL0, + clk_names[CPUPLL], clk_names[REFCLK], 0); + if (ret) + goto bg2_fail; + + if (of_device_is_compatible(np, "marvell,berlin2-global-register")) + avpll_flags |= BERLIN2_AVPLL_SCRAMBLE_QUIRK; + + /* audio/video VCOs */ + ret = berlin2_avpll_vco_register(gbase + REG_AVPLLCTL0, "avpll_vcoA", + clk_names[REFCLK], avpll_flags, 0); + if (ret) + goto bg2_fail; + + for (n = 0; n < 8; n++) { + ret = berlin2_avpll_channel_register(gbase + REG_AVPLLCTL0, + clk_names[AVPLL_A1 + n], n, "avpll_vcoA", + avpll_flags, 0); + if (ret) + goto bg2_fail; + } + + ret = berlin2_avpll_vco_register(gbase + REG_AVPLLCTL31, "avpll_vcoB", + clk_names[REFCLK], BERLIN2_AVPLL_BIT_QUIRK | + avpll_flags, 0); + if (ret) + goto bg2_fail; + + for (n = 0; n < 8; n++) { + ret = berlin2_avpll_channel_register(gbase + REG_AVPLLCTL31, + clk_names[AVPLL_B1 + n], n, "avpll_vcoB", + BERLIN2_AVPLL_BIT_QUIRK | avpll_flags, 0); + if (ret) + goto bg2_fail; + } + + /* reference clock bypass switches */ + parent_names[0] = clk_names[SYSPLL]; + parent_names[1] = clk_names[REFCLK]; + hw = clk_hw_register_mux(NULL, "syspll_byp", parent_names, 2, + 0, gbase + REG_CLKSWITCH0, 0, 1, 0, &lock); + if (IS_ERR(hw)) + goto bg2_fail; + clk_names[SYSPLL] = clk_hw_get_name(hw); + + parent_names[0] = clk_names[MEMPLL]; + parent_names[1] = clk_names[REFCLK]; + hw = clk_hw_register_mux(NULL, "mempll_byp", parent_names, 2, + 0, gbase + REG_CLKSWITCH0, 1, 1, 0, &lock); + if (IS_ERR(hw)) + goto bg2_fail; + clk_names[MEMPLL] = clk_hw_get_name(hw); + + parent_names[0] = clk_names[CPUPLL]; + parent_names[1] = clk_names[REFCLK]; + hw = clk_hw_register_mux(NULL, "cpupll_byp", parent_names, 2, + 0, gbase + REG_CLKSWITCH0, 2, 1, 0, &lock); + if (IS_ERR(hw)) + goto bg2_fail; + clk_names[CPUPLL] = clk_hw_get_name(hw); + + /* clock muxes */ + parent_names[0] = clk_names[AVPLL_B3]; + parent_names[1] = clk_names[AVPLL_A3]; + hw = clk_hw_register_mux(NULL, clk_names[AUDIO1_PLL], parent_names, 2, + 0, gbase + REG_CLKSELECT2, 29, 1, 0, &lock); + if (IS_ERR(hw)) + goto bg2_fail; + + parent_names[0] = clk_names[VIDEO0_PLL]; + parent_names[1] = clk_names[VIDEO_EXT0]; + hw = clk_hw_register_mux(NULL, clk_names[VIDEO0_IN], parent_names, 2, + 0, gbase + REG_CLKSELECT3, 4, 1, 0, &lock); + if (IS_ERR(hw)) + goto bg2_fail; + + parent_names[0] = clk_names[VIDEO1_PLL]; + parent_names[1] = clk_names[VIDEO_EXT0]; + hw = clk_hw_register_mux(NULL, clk_names[VIDEO1_IN], parent_names, 2, + 0, gbase + REG_CLKSELECT3, 6, 1, 0, &lock); + if (IS_ERR(hw)) + goto bg2_fail; + + parent_names[0] = clk_names[AVPLL_A2]; + parent_names[1] = clk_names[AVPLL_B2]; + hw = clk_hw_register_mux(NULL, clk_names[VIDEO1_PLL], parent_names, 2, + 0, gbase + REG_CLKSELECT3, 7, 1, 0, &lock); + if (IS_ERR(hw)) + goto bg2_fail; + + parent_names[0] = clk_names[VIDEO2_PLL]; + parent_names[1] = clk_names[VIDEO_EXT0]; + hw = clk_hw_register_mux(NULL, clk_names[VIDEO2_IN], parent_names, 2, + 0, gbase + REG_CLKSELECT3, 9, 1, 0, &lock); + if (IS_ERR(hw)) + goto bg2_fail; + + parent_names[0] = clk_names[AVPLL_B1]; + parent_names[1] = clk_names[AVPLL_A5]; + hw = clk_hw_register_mux(NULL, clk_names[VIDEO2_PLL], parent_names, 2, + 0, gbase + REG_CLKSELECT3, 10, 1, 0, &lock); + if (IS_ERR(hw)) + 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]]; + + hws[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]; + + hws[CLKID_GETH0 + n] = clk_hw_register_gate(NULL, gd->name, + gd->parent_name, gd->flags, gbase + REG_CLKENABLE, + gd->bit_idx, 0, &lock); + } + + /* twdclk is derived from cpu/3 */ + hws[CLKID_TWD] = + clk_hw_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(hws[n])) + continue; + + pr_err("%pOF: Unable to register leaf clock %d\n", np, n); + goto bg2_fail; + } + + /* register clk-provider */ + of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); + + return; + +bg2_fail: + iounmap(gbase); +} +CLK_OF_DECLARE(berlin2_clk, "marvell,berlin2-clk", + berlin2_clock_setup); |