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Message-Id: <1fe10e9ca64dce0a06a2d83693cbaf6ee3a76bde.1478625788.git-series.maxime.ripard@free-electrons.com>
Date: Tue, 8 Nov 2016 18:23:11 +0100
From: Maxime Ripard <maxime.ripard@...e-electrons.com>
To: Mike Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Chen-Yu Tsai <wens@...e.org>,
Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org
Subject: [PATCH 7/10] clk: sunxi-ng: Add A13 CCU driver
Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
drivers/clk/sunxi-ng/Kconfig | 10 +-
drivers/clk/sunxi-ng/Makefile | 1 +-
drivers/clk/sunxi-ng/ccu-sun5i-a13.c | 681 ++++++++++++++++++++++++++++-
3 files changed, 692 insertions(+), 0 deletions(-)
create mode 100644 drivers/clk/sunxi-ng/ccu-sun5i-a13.c
diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig
index e2becd36a1f9..5e62e6ad6e08 100644
--- a/drivers/clk/sunxi-ng/Kconfig
+++ b/drivers/clk/sunxi-ng/Kconfig
@@ -74,6 +74,16 @@ config SUN5I_A10S_CCU
select SUNXI_CCU_PHASE
default MACH_SUN5I
+config SUN5I_A13_CCU
+ bool "Support for the Allwinner A13 CCM"
+ select SUNXI_CCU_DIV
+ select SUNXI_CCU_NK
+ select SUNXI_CCU_NKM
+ select SUNXI_CCU_NM
+ select SUNXI_CCU_MP
+ select SUNXI_CCU_PHASE
+ default MACH_SUN5I
+
config SUN6I_A31_CCU
bool "Support for the Allwinner A31/A31s CCU"
select SUNXI_CCU_DIV
diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile
index 79e9a166dc83..1f03b3d608f2 100644
--- a/drivers/clk/sunxi-ng/Makefile
+++ b/drivers/clk/sunxi-ng/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_SUNXI_CCU_MP) += ccu_mp.o
# SoC support
obj-$(CONFIG_SUN50I_A64_CCU) += ccu-sun50i-a64.o
obj-$(CONFIG_SUN5I_A10S_CCU) += ccu-sun5i-a10s.o
+obj-$(CONFIG_SUN5I_A13_CCU) += ccu-sun5i-a13.o
obj-$(CONFIG_SUN6I_A31_CCU) += ccu-sun6i-a31.o
obj-$(CONFIG_SUN8I_A23_CCU) += ccu-sun8i-a23.o
obj-$(CONFIG_SUN8I_A33_CCU) += ccu-sun8i-a33.o
diff --git a/drivers/clk/sunxi-ng/ccu-sun5i-a13.c b/drivers/clk/sunxi-ng/ccu-sun5i-a13.c
new file mode 100644
index 000000000000..7536d5760621
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu-sun5i-a13.c
@@ -0,0 +1,681 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+
+#include "ccu_common.h"
+#include "ccu_reset.h"
+
+#include "ccu_div.h"
+#include "ccu_gate.h"
+#include "ccu_mp.h"
+#include "ccu_mult.h"
+#include "ccu_nk.h"
+#include "ccu_nkm.h"
+#include "ccu_nkmp.h"
+#include "ccu_nm.h"
+#include "ccu_phase.h"
+
+#include "ccu-sun5i.h"
+
+static struct ccu_nkmp pll_core_clk = {
+ .enable = BIT(31),
+ .n = _SUNXI_CCU_MULT_OFFSET(8, 5, 0),
+ .k = _SUNXI_CCU_MULT(4, 2),
+ .m = _SUNXI_CCU_DIV(0, 2),
+ .p = _SUNXI_CCU_DIV(16, 2),
+ .common = {
+ .reg = 0x000,
+ .hw.init = CLK_HW_INIT("pll-core",
+ "hosc",
+ &ccu_nkmp_ops,
+ 0),
+ },
+};
+
+/*
+ * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
+ * the base (2x, 4x and 8x), and one variable divider (the one true
+ * pll audio).
+ *
+ * We don't have any need for the variable divider for now, so we just
+ * hardcode it to match with the clock names
+ */
+#define SUN5I_PLL_AUDIO_REG 0x008
+
+static struct ccu_nm pll_audio_base_clk = {
+ .enable = BIT(31),
+ .n = _SUNXI_CCU_MULT_OFFSET(8, 7, 0),
+ .m = _SUNXI_CCU_DIV_OFFSET(0, 5, 0),
+ .common = {
+ .reg = 0x008,
+ .hw.init = CLK_HW_INIT("pll-audio-base",
+ "hosc",
+ &ccu_nm_ops,
+ 0),
+ },
+};
+
+static struct ccu_mult pll_video0_clk = {
+ .enable = BIT(31),
+ .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(0, 7, 0, 9, 127),
+ .frac = _SUNXI_CCU_FRAC(BIT(15), BIT(14),
+ 270000000, 297000000),
+ .common = {
+ .reg = 0x010,
+ .features = CCU_FEATURE_FRACTIONAL,
+ .hw.init = CLK_HW_INIT("pll-video0",
+ "osc3M",
+ &ccu_mult_ops,
+ 0),
+ },
+};
+
+static struct ccu_nkmp pll_ve_clk = {
+ .enable = BIT(31),
+ .n = _SUNXI_CCU_MULT_OFFSET(8, 5, 0),
+ .k = _SUNXI_CCU_MULT(4, 2),
+ .m = _SUNXI_CCU_DIV(0, 2),
+ .p = _SUNXI_CCU_DIV(16, 2),
+ .common = {
+ .reg = 0x018,
+ .hw.init = CLK_HW_INIT("pll-ve",
+ "hosc",
+ &ccu_nkmp_ops,
+ 0),
+ },
+};
+
+static struct ccu_nk pll_ddr_base_clk = {
+ .enable = BIT(31),
+ .n = _SUNXI_CCU_MULT_OFFSET(8, 5, 0),
+ .k = _SUNXI_CCU_MULT(4, 2),
+ .common = {
+ .reg = 0x020,
+ .hw.init = CLK_HW_INIT("pll-ddr-base",
+ "hosc",
+ &ccu_nk_ops,
+ 0),
+ },
+};
+
+static SUNXI_CCU_M(pll_ddr_clk, "pll-ddr", "pll-ddr-base", 0x020, 0, 2, 0);
+
+static struct ccu_div pll_ddr_other_clk = {
+ .div = _SUNXI_CCU_DIV_FLAGS(16, 2, CLK_DIVIDER_POWER_OF_TWO),
+
+ .common = {
+ .reg = 0x020,
+ .hw.init = CLK_HW_INIT("pll-ddr-other", "pll-ddr-base",
+ &ccu_div_ops,
+ 0),
+ },
+};
+
+static struct ccu_nk pll_periph_clk = {
+ .enable = BIT(31),
+ .n = _SUNXI_CCU_MULT_OFFSET(8, 5, 0),
+ .k = _SUNXI_CCU_MULT(4, 2),
+ .fixed_post_div = 2,
+ .common = {
+ .reg = 0x028,
+ .features = CCU_FEATURE_FIXED_POSTDIV,
+ .hw.init = CLK_HW_INIT("pll-periph",
+ "hosc",
+ &ccu_nk_ops,
+ 0),
+ },
+};
+
+static struct ccu_mult pll_video1_clk = {
+ .enable = BIT(31),
+ .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(0, 7, 0, 9, 127),
+ .frac = _SUNXI_CCU_FRAC(BIT(15), BIT(14),
+ 270000000, 297000000),
+ .common = {
+ .reg = 0x030,
+ .features = CCU_FEATURE_FRACTIONAL,
+ .hw.init = CLK_HW_INIT("pll-video1",
+ "osc3M",
+ &ccu_mult_ops,
+ 0),
+ },
+};
+
+static SUNXI_CCU_GATE(hosc_clk, "hosc", "osc24M", 0x050, BIT(0), 0);
+
+#define SUN5I_AHB_REG 0x054
+static const char * const cpu_parents[] = { "osc32k", "hosc",
+ "pll-core" , "pll-periph" };
+static const struct ccu_mux_fixed_prediv cpu_predivs[] = {
+ { .index = 3, .div = 3, },
+};
+static struct ccu_mux cpu_clk = {
+ .mux = {
+ .shift = 16,
+ .width = 2,
+ .fixed_predivs = cpu_predivs,
+ .n_predivs = ARRAY_SIZE(cpu_predivs),
+ },
+ .common = {
+ .reg = 0x054,
+ .features = CCU_FEATURE_FIXED_PREDIV,
+ .hw.init = CLK_HW_INIT_PARENTS("cpu",
+ cpu_parents,
+ &ccu_mux_ops,
+ CLK_IS_CRITICAL),
+ }
+};
+
+static SUNXI_CCU_M(axi_clk, "axi", "cpu", 0x054, 0, 2, 0);
+
+static const char * const ahb_parents[] = { "axi" , "cpu", "pll-periph" };
+static struct ccu_div ahb_clk = {
+ .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
+ .mux = _SUNXI_CCU_MUX(6, 2),
+
+ .common = {
+ .reg = 0x054,
+ .hw.init = CLK_HW_INIT_PARENTS("ahb",
+ ahb_parents,
+ &ccu_div_ops,
+ 0),
+ },
+};
+
+static struct clk_div_table apb0_div_table[] = {
+ { .val = 0, .div = 2 },
+ { .val = 1, .div = 2 },
+ { .val = 2, .div = 4 },
+ { .val = 3, .div = 8 },
+ { /* Sentinel */ },
+};
+static SUNXI_CCU_DIV_TABLE(apb0_clk, "apb0", "ahb",
+ 0x054, 8, 2, apb0_div_table, 0);
+
+static const char * const apb1_parents[] = { "hosc", "pll-periph", "osc32k" };
+static SUNXI_CCU_MP_WITH_MUX(apb1_clk, "apb1", apb1_parents, 0x058,
+ 0, 5, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ 0);
+
+static SUNXI_CCU_GATE(axi_dram_clk, "axi-dram", "axi",
+ 0x05c, BIT(0), 0);
+
+static SUNXI_CCU_GATE(ahb_otg_clk, "ahb-otg", "ahb",
+ 0x060, BIT(0), 0);
+static SUNXI_CCU_GATE(ahb_ehci_clk, "ahb-ehci", "ahb",
+ 0x060, BIT(1), 0);
+static SUNXI_CCU_GATE(ahb_ohci_clk, "ahb-ohci", "ahb",
+ 0x060, BIT(2), 0);
+static SUNXI_CCU_GATE(ahb_ss_clk, "ahb-ss", "ahb",
+ 0x060, BIT(5), 0);
+static SUNXI_CCU_GATE(ahb_dma_clk, "ahb-dma", "ahb",
+ 0x060, BIT(6), 0);
+static SUNXI_CCU_GATE(ahb_bist_clk, "ahb-bist", "ahb",
+ 0x060, BIT(6), 0);
+static SUNXI_CCU_GATE(ahb_mmc0_clk, "ahb-mmc0", "ahb",
+ 0x060, BIT(8), 0);
+static SUNXI_CCU_GATE(ahb_mmc1_clk, "ahb-mmc1", "ahb",
+ 0x060, BIT(9), 0);
+static SUNXI_CCU_GATE(ahb_mmc2_clk, "ahb-mmc2", "ahb",
+ 0x060, BIT(10), 0);
+static SUNXI_CCU_GATE(ahb_nand_clk, "ahb-nand", "ahb",
+ 0x060, BIT(13), 0);
+static SUNXI_CCU_GATE(ahb_sdram_clk, "ahb-sdram", "ahb",
+ 0x060, BIT(14), CLK_IS_CRITICAL);
+static SUNXI_CCU_GATE(ahb_emac_clk, "ahb-emac", "ahb",
+ 0x060, BIT(17), 0);
+static SUNXI_CCU_GATE(ahb_spi0_clk, "ahb-spi0", "ahb",
+ 0x060, BIT(20), 0);
+static SUNXI_CCU_GATE(ahb_spi1_clk, "ahb-spi1", "ahb",
+ 0x060, BIT(21), 0);
+static SUNXI_CCU_GATE(ahb_spi2_clk, "ahb-spi2", "ahb",
+ 0x060, BIT(22), 0);
+static SUNXI_CCU_GATE(ahb_hstimer_clk, "ahb-hstimer", "ahb",
+ 0x060, BIT(28), 0);
+
+static SUNXI_CCU_GATE(ahb_ve_clk, "ahb-ve", "ahb",
+ 0x064, BIT(0), 0);
+static SUNXI_CCU_GATE(ahb_tve_clk, "ahb-tve", "ahb",
+ 0x064, BIT(2), 0);
+static SUNXI_CCU_GATE(ahb_lcd_clk, "ahb-lcd", "ahb",
+ 0x064, BIT(4), 0);
+static SUNXI_CCU_GATE(ahb_csi_clk, "ahb-csi", "ahb",
+ 0x064, BIT(8), 0);
+static SUNXI_CCU_GATE(ahb_de_be_clk, "ahb-de-be", "ahb",
+ 0x064, BIT(12), 0);
+static SUNXI_CCU_GATE(ahb_de_fe_clk, "ahb-de-fe", "ahb",
+ 0x064, BIT(14), 0);
+static SUNXI_CCU_GATE(ahb_iep_clk, "ahb-iep", "ahb",
+ 0x064, BIT(19), 0);
+static SUNXI_CCU_GATE(ahb_gpu_clk, "ahb-gpu", "ahb",
+ 0x064, BIT(20), 0);
+
+static SUNXI_CCU_GATE(apb0_codec_clk, "apb0-codec", "apb0",
+ 0x068, BIT(0), 0);
+static SUNXI_CCU_GATE(apb0_pio_clk, "apb0-pio", "apb0",
+ 0x068, BIT(5), 0);
+static SUNXI_CCU_GATE(apb0_ir_clk, "apb0-ir", "apb0",
+ 0x068, BIT(6), 0);
+
+static SUNXI_CCU_GATE(apb1_i2c0_clk, "apb1-i2c0", "apb1",
+ 0x06c, BIT(0), 0);
+static SUNXI_CCU_GATE(apb1_i2c1_clk, "apb1-i2c1", "apb1",
+ 0x06c, BIT(1), 0);
+static SUNXI_CCU_GATE(apb1_i2c2_clk, "apb1-i2c2", "apb1",
+ 0x06c, BIT(2), 0);
+static SUNXI_CCU_GATE(apb1_uart0_clk, "apb1-uart0", "apb1",
+ 0x06c, BIT(16), 0);
+static SUNXI_CCU_GATE(apb1_uart1_clk, "apb1-uart1", "apb1",
+ 0x06c, BIT(17), 0);
+static SUNXI_CCU_GATE(apb1_uart2_clk, "apb1-uart2", "apb1",
+ 0x06c, BIT(18), 0);
+static SUNXI_CCU_GATE(apb1_uart3_clk, "apb1-uart3", "apb1",
+ 0x06c, BIT(19), 0);
+
+static const char * const mod0_default_parents[] = { "hosc", "pll-periph",
+ "pll-ddr-other" };
+static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk, "ss", mod0_default_parents, 0x09c,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", mod0_default_parents, 0x0a8,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir", mod0_default_parents, 0x0b0,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_GATE(usb_ohci_clk, "usb-ohci", "pll-periph",
+ 0x0cc, BIT(6), 0);
+static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "pll-periph",
+ 0x0cc, BIT(8), 0);
+static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "pll-periph",
+ 0x0cc, BIT(9), 0);
+
+static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "pll-ddr",
+ 0x100, BIT(0), 0);
+static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "pll-ddr",
+ 0x100, BIT(1), 0);
+static SUNXI_CCU_GATE(dram_tve_clk, "dram-tve", "pll-ddr",
+ 0x100, BIT(5), 0);
+static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "pll-ddr",
+ 0x100, BIT(25), 0);
+static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "pll-ddr",
+ 0x100, BIT(26), 0);
+static SUNXI_CCU_GATE(dram_ace_clk, "dram-ace", "pll-ddr",
+ 0x100, BIT(29), 0);
+static SUNXI_CCU_GATE(dram_iep_clk, "dram-iep", "pll-ddr",
+ 0x100, BIT(31), 0);
+
+static const char * const de_parents[] = { "pll-video0", "pll-video1",
+ "pll-ddr-other" };
+static SUNXI_CCU_M_WITH_MUX_GATE(de_be_clk, "de-be", de_parents,
+ 0x104, 0, 4, 24, 2, BIT(31), 0);
+
+static SUNXI_CCU_M_WITH_MUX_GATE(de_fe_clk, "de-fe", de_parents,
+ 0x10c, 0, 4, 24, 2, BIT(31), 0);
+
+static const char * const tcon_parents[] = { "pll-video0", "pll-video1",
+ "pll-video0-2x", "pll-video1-2x" };
+static SUNXI_CCU_MUX_WITH_GATE(tcon_ch0_clk, "tcon-ch0-sclk", tcon_parents,
+ 0x118, 24, 2, BIT(31), 0);
+
+static SUNXI_CCU_M_WITH_MUX_GATE(tcon_ch1_sclk2_clk, "tcon-ch1-sclk2",
+ tcon_parents,
+ 0x12c, 0, 4, 24, 2, BIT(31), 0);
+
+static SUNXI_CCU_M_WITH_GATE(tcon_ch1_sclk1_clk, "tcon-ch1-sclk1", "tcon-ch1-sclk2",
+ 0x12c, 11, 1, BIT(15), 0);
+
+static const char * const csi_parents[] = { "hosc", "pll-video0", "pll-video1",
+ "pll-video0-2x", "pll-video1-2x" };
+static const u8 csi_table[] = { 0, 1, 2, 5, 6 };
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_clk, "csi",
+ csi_parents, csi_table,
+ 0x134, 0, 5, 24, 2, BIT(31), 0);
+
+static SUNXI_CCU_GATE(ve_clk, "ve", "pll-ve",
+ 0x13c, BIT(31), 0);
+
+static SUNXI_CCU_GATE(codec_clk, "codec", "pll-audio",
+ 0x140, BIT(31), 0);
+
+static SUNXI_CCU_GATE(avs_clk, "avs", "hosc",
+ 0x144, BIT(31), 0);
+
+static const char * const gpu_parents[] = { "pll-video0", "pll-ve",
+ "pll-ddr-other", "pll-video1",
+ "pll-video1-2x" };
+static SUNXI_CCU_M_WITH_MUX_GATE(gpu_clk, "gpu", gpu_parents,
+ 0x154, 0, 4, 24, 3, BIT(31), 0);
+
+static const char * const mbus_parents[] = { "hosc", "pll-periph", "pll-ddr" };
+static SUNXI_CCU_MP_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
+ 0x15c, 0, 4, 16, 2, 24, 2, BIT(31), CLK_IS_CRITICAL);
+
+static SUNXI_CCU_GATE(iep_clk, "iep", "de-be",
+ 0x160, BIT(31), 0);
+
+static struct ccu_common *sun5i_a13_ccu_clks[] = {
+ &hosc_clk.common,
+ &pll_core_clk.common,
+ &pll_audio_base_clk.common,
+ &pll_video0_clk.common,
+ &pll_ve_clk.common,
+ &pll_ddr_base_clk.common,
+ &pll_ddr_clk.common,
+ &pll_ddr_other_clk.common,
+ &pll_periph_clk.common,
+ &pll_video1_clk.common,
+ &cpu_clk.common,
+ &axi_clk.common,
+ &ahb_clk.common,
+ &apb0_clk.common,
+ &apb1_clk.common,
+ &axi_dram_clk.common,
+ &ahb_otg_clk.common,
+ &ahb_ehci_clk.common,
+ &ahb_ohci_clk.common,
+ &ahb_ss_clk.common,
+ &ahb_dma_clk.common,
+ &ahb_bist_clk.common,
+ &ahb_mmc0_clk.common,
+ &ahb_mmc1_clk.common,
+ &ahb_mmc2_clk.common,
+ &ahb_nand_clk.common,
+ &ahb_sdram_clk.common,
+ &ahb_emac_clk.common,
+ &ahb_spi0_clk.common,
+ &ahb_spi1_clk.common,
+ &ahb_spi2_clk.common,
+ &ahb_hstimer_clk.common,
+ &ahb_ve_clk.common,
+ &ahb_tve_clk.common,
+ &ahb_lcd_clk.common,
+ &ahb_csi_clk.common,
+ &ahb_de_be_clk.common,
+ &ahb_de_fe_clk.common,
+ &ahb_iep_clk.common,
+ &ahb_gpu_clk.common,
+ &apb0_codec_clk.common,
+ &apb0_pio_clk.common,
+ &apb0_ir_clk.common,
+ &apb1_i2c0_clk.common,
+ &apb1_i2c1_clk.common,
+ &apb1_i2c2_clk.common,
+ &apb1_uart0_clk.common,
+ &apb1_uart1_clk.common,
+ &apb1_uart2_clk.common,
+ &apb1_uart3_clk.common,
+ &nand_clk.common,
+ &mmc0_clk.common,
+ &mmc1_clk.common,
+ &mmc2_clk.common,
+ &ss_clk.common,
+ &spi0_clk.common,
+ &spi1_clk.common,
+ &spi2_clk.common,
+ &ir_clk.common,
+ &usb_ohci_clk.common,
+ &usb_phy0_clk.common,
+ &usb_phy1_clk.common,
+ &dram_ve_clk.common,
+ &dram_csi_clk.common,
+ &dram_tve_clk.common,
+ &dram_de_fe_clk.common,
+ &dram_de_be_clk.common,
+ &dram_ace_clk.common,
+ &dram_iep_clk.common,
+ &de_be_clk.common,
+ &de_fe_clk.common,
+ &tcon_ch0_clk.common,
+ &tcon_ch1_sclk2_clk.common,
+ &tcon_ch1_sclk1_clk.common,
+ &csi_clk.common,
+ &ve_clk.common,
+ &codec_clk.common,
+ &avs_clk.common,
+ &gpu_clk.common,
+ &mbus_clk.common,
+ &iep_clk.common,
+};
+
+static CLK_FIXED_FACTOR(osc3M_clk, "osc3M", "hosc", 8, 1, 0);
+/* We hardcode the divider to 4 for now */
+static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio",
+ "pll-audio-base", 4, 1, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_audio_2x_clk, "pll-audio-2x",
+ "pll-audio-base", 2, 1, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_audio_4x_clk, "pll-audio-4x",
+ "pll-audio-base", 1, 1, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_audio_8x_clk, "pll-audio-8x",
+ "pll-audio-base", 1, 2, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_video0_2x_clk, "pll-video0-2x",
+ "pll-video0", 1, 2, CLK_SET_RATE_PARENT);
+static CLK_FIXED_FACTOR(pll_video1_2x_clk, "pll-video1-2x",
+ "pll-video1", 1, 2, CLK_SET_RATE_PARENT);
+
+static struct clk_hw_onecell_data sun5i_a13_hw_clks = {
+ .hws = {
+ [CLK_HOSC] = &hosc_clk.common.hw,
+ [CLK_OSC3M] = &osc3M_clk.hw,
+ [CLK_PLL_CORE] = &pll_core_clk.common.hw,
+ [CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw,
+ [CLK_PLL_AUDIO] = &pll_audio_clk.hw,
+ [CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw,
+ [CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw,
+ [CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw,
+ [CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw,
+ [CLK_PLL_VIDEO0_2X] = &pll_video0_2x_clk.hw,
+ [CLK_PLL_VE] = &pll_ve_clk.common.hw,
+ [CLK_PLL_DDR_BASE] = &pll_ddr_base_clk.common.hw,
+ [CLK_PLL_DDR] = &pll_ddr_clk.common.hw,
+ [CLK_PLL_DDR_OTHER] = &pll_ddr_other_clk.common.hw,
+ [CLK_PLL_PERIPH] = &pll_periph_clk.common.hw,
+ [CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw,
+ [CLK_PLL_VIDEO1_2X] = &pll_video1_2x_clk.hw,
+ [CLK_CPU] = &cpu_clk.common.hw,
+ [CLK_AXI] = &axi_clk.common.hw,
+ [CLK_AHB] = &ahb_clk.common.hw,
+ [CLK_APB0] = &apb0_clk.common.hw,
+ [CLK_APB1] = &apb1_clk.common.hw,
+ [CLK_DRAM_AXI] = &axi_dram_clk.common.hw,
+ [CLK_AHB_OTG] = &ahb_otg_clk.common.hw,
+ [CLK_AHB_EHCI] = &ahb_ehci_clk.common.hw,
+ [CLK_AHB_OHCI] = &ahb_ohci_clk.common.hw,
+ [CLK_AHB_SS] = &ahb_ss_clk.common.hw,
+ [CLK_AHB_DMA] = &ahb_dma_clk.common.hw,
+ [CLK_AHB_BIST] = &ahb_bist_clk.common.hw,
+ [CLK_AHB_MMC0] = &ahb_mmc0_clk.common.hw,
+ [CLK_AHB_MMC1] = &ahb_mmc1_clk.common.hw,
+ [CLK_AHB_MMC2] = &ahb_mmc2_clk.common.hw,
+ [CLK_AHB_NAND] = &ahb_nand_clk.common.hw,
+ [CLK_AHB_SDRAM] = &ahb_sdram_clk.common.hw,
+ [CLK_AHB_EMAC] = &ahb_emac_clk.common.hw,
+ [CLK_AHB_SPI0] = &ahb_spi0_clk.common.hw,
+ [CLK_AHB_SPI1] = &ahb_spi1_clk.common.hw,
+ [CLK_AHB_SPI2] = &ahb_spi2_clk.common.hw,
+ [CLK_AHB_HSTIMER] = &ahb_hstimer_clk.common.hw,
+ [CLK_AHB_VE] = &ahb_ve_clk.common.hw,
+ [CLK_AHB_TVE] = &ahb_tve_clk.common.hw,
+ [CLK_AHB_LCD] = &ahb_lcd_clk.common.hw,
+ [CLK_AHB_CSI] = &ahb_csi_clk.common.hw,
+ [CLK_AHB_DE_BE] = &ahb_de_be_clk.common.hw,
+ [CLK_AHB_DE_FE] = &ahb_de_fe_clk.common.hw,
+ [CLK_AHB_IEP] = &ahb_iep_clk.common.hw,
+ [CLK_AHB_GPU] = &ahb_gpu_clk.common.hw,
+ [CLK_APB0_CODEC] = &apb0_codec_clk.common.hw,
+ [CLK_APB0_PIO] = &apb0_pio_clk.common.hw,
+ [CLK_APB0_IR] = &apb0_ir_clk.common.hw,
+ [CLK_APB1_I2C0] = &apb1_i2c0_clk.common.hw,
+ [CLK_APB1_I2C1] = &apb1_i2c1_clk.common.hw,
+ [CLK_APB1_I2C2] = &apb1_i2c2_clk.common.hw,
+ [CLK_APB1_UART0] = &apb1_uart0_clk.common.hw,
+ [CLK_APB1_UART1] = &apb1_uart1_clk.common.hw,
+ [CLK_APB1_UART2] = &apb1_uart2_clk.common.hw,
+ [CLK_APB1_UART3] = &apb1_uart3_clk.common.hw,
+ [CLK_NAND] = &nand_clk.common.hw,
+ [CLK_MMC0] = &mmc0_clk.common.hw,
+ [CLK_MMC1] = &mmc1_clk.common.hw,
+ [CLK_MMC2] = &mmc2_clk.common.hw,
+ [CLK_SS] = &ss_clk.common.hw,
+ [CLK_SPI0] = &spi0_clk.common.hw,
+ [CLK_SPI1] = &spi1_clk.common.hw,
+ [CLK_SPI2] = &spi2_clk.common.hw,
+ [CLK_IR] = &ir_clk.common.hw,
+ [CLK_USB_OHCI] = &usb_ohci_clk.common.hw,
+ [CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
+ [CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
+ [CLK_DRAM_VE] = &dram_ve_clk.common.hw,
+ [CLK_DRAM_CSI] = &dram_csi_clk.common.hw,
+ [CLK_DRAM_TVE] = &dram_tve_clk.common.hw,
+ [CLK_DRAM_DE_FE] = &dram_de_fe_clk.common.hw,
+ [CLK_DRAM_DE_BE] = &dram_de_be_clk.common.hw,
+ [CLK_DRAM_ACE] = &dram_ace_clk.common.hw,
+ [CLK_DRAM_IEP] = &dram_iep_clk.common.hw,
+ [CLK_DE_BE] = &de_be_clk.common.hw,
+ [CLK_DE_FE] = &de_fe_clk.common.hw,
+ [CLK_TCON_CH0] = &tcon_ch0_clk.common.hw,
+ [CLK_TCON_CH1_SCLK] = &tcon_ch1_sclk2_clk.common.hw,
+ [CLK_TCON_CH1] = &tcon_ch1_sclk1_clk.common.hw,
+ [CLK_CSI] = &csi_clk.common.hw,
+ [CLK_VE] = &ve_clk.common.hw,
+ [CLK_CODEC] = &codec_clk.common.hw,
+ [CLK_AVS] = &avs_clk.common.hw,
+ [CLK_GPU] = &gpu_clk.common.hw,
+ [CLK_MBUS] = &mbus_clk.common.hw,
+ [CLK_IEP] = &iep_clk.common.hw,
+ },
+ .num = CLK_NUMBER,
+};
+
+static struct ccu_reset_map sun5i_a13_ccu_resets[] = {
+ [RST_USB_PHY0] = { 0x0cc, BIT(0) },
+ [RST_USB_PHY1] = { 0x0cc, BIT(1) },
+
+ [RST_GPS] = { 0x0d0, BIT(30) },
+
+ [RST_DE_BE] = { 0x104, BIT(30) },
+
+ [RST_DE_FE] = { 0x10c, BIT(30) },
+
+ [RST_TVE] = { 0x118, BIT(29) },
+ [RST_LCD] = { 0x118, BIT(30) },
+
+ [RST_CSI] = { 0x134, BIT(30) },
+
+ [RST_VE] = { 0x13c, BIT(0) },
+
+ [RST_GPU] = { 0x154, BIT(30) },
+
+ [RST_IEP] = { 0x160, BIT(30) },
+};
+
+static const struct sunxi_ccu_desc sun5i_a13_ccu_desc = {
+ .ccu_clks = sun5i_a13_ccu_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun5i_a13_ccu_clks),
+
+ .hw_clks = &sun5i_a13_hw_clks,
+
+ .resets = sun5i_a13_ccu_resets,
+ .num_resets = ARRAY_SIZE(sun5i_a13_ccu_resets),
+};
+
+static void __init sun5i_a13_ccu_setup(struct device_node *node)
+{
+ void __iomem *reg;
+ u32 val;
+
+ reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+ if (IS_ERR(reg)) {
+ pr_err("%s: Could not map the clock registers\n",
+ of_node_full_name(node));
+ return;
+ }
+
+ /* Force the PLL-Audio-1x divider to 4 */
+ val = readl(reg + SUN5I_PLL_AUDIO_REG);
+ val &= ~GENMASK(19, 16);
+ writel(val | (3 << 16), reg + SUN5I_PLL_AUDIO_REG);
+
+ /*
+ * Use the peripheral PLL as the AHB parent, instead of CPU /
+ * AXI which have rate changes due to cpufreq.
+ *
+ * This is especially a big deal for the HS timer whose parent
+ * clock is AHB.
+ */
+ val = readl(reg + SUN5I_AHB_REG);
+ val &= ~GENMASK(7, 6);
+ writel(val | (2 << 6), reg + SUN5I_AHB_REG);
+
+ sunxi_ccu_probe(node, reg, &sun5i_a13_ccu_desc);
+}
+CLK_OF_DECLARE(sun5i_a13_ccu, "allwinner,sun5i-a13-ccu",
+ sun5i_a13_ccu_setup);
--
git-series 0.8.11
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