@@ -4,6 +4,7 @@ Allwinner Clock Control Unit Binding
Required properties :
- compatible: must contain one of the following compatibles:
- "allwinner,sun6i-a31-ccu"
+ - "allwinner,sun8i-a23-ccu"
- "allwinner,sun8i-a33-ccu"
- "allwinner,sun8i-h3-ccu"
@@ -65,6 +65,18 @@ config SUN6I_A31_CCU
select SUNXI_CCU_PHASE
default MACH_SUN6I
+config SUN8I_A23_CCU
+ bool "Support for the Allwinner A23 CCU"
+ select SUNXI_CCU_DIV
+ select SUNXI_CCU_MULT
+ select SUNXI_CCU_NK
+ select SUNXI_CCU_NKM
+ select SUNXI_CCU_NKMP
+ select SUNXI_CCU_NM
+ select SUNXI_CCU_MP
+ select SUNXI_CCU_PHASE
+ default MACH_SUN8I
+
config SUN8I_A33_CCU
bool "Support for the Allwinner A33 CCU"
select SUNXI_CCU_DIV
@@ -19,5 +19,6 @@ obj-$(CONFIG_SUNXI_CCU_MP) += ccu_mp.o
# SoC support
obj-$(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
obj-$(CONFIG_SUN8I_H3_CCU) += ccu-sun8i-h3.o
new file mode 100644
@@ -0,0 +1,736 @@
+/*
+ * 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-sun8i-a23-a33.h"
+
+
+static struct ccu_nkmp pll_cpux_clk = {
+ .enable = BIT(31),
+ .lock = BIT(28),
+
+ .n = _SUNXI_CCU_MULT(8, 5),
+ .k = _SUNXI_CCU_MULT(4, 2),
+ .m = _SUNXI_CCU_DIV(0, 2),
+ .p = _SUNXI_CCU_DIV_MAX(16, 2, 4),
+
+ .common = {
+ .reg = 0x000,
+ .hw.init = CLK_HW_INIT("pll-cpux", "osc24M",
+ &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 SUN8I_A23_PLL_AUDIO_REG 0x008
+
+static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
+ "osc24M", 0x008,
+ 8, 7, /* N */
+ 0, 5, /* M */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ CLK_SET_RATE_UNGATE);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video",
+ "osc24M", 0x010,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ CLK_SET_RATE_UNGATE);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
+ "osc24M", 0x018,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ CLK_SET_RATE_UNGATE);
+
+static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr_clk, "pll-ddr",
+ "osc24M", 0x020,
+ 8, 5, /* N */
+ 4, 2, /* K */
+ 0, 2, /* M */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 0);
+
+static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk, "pll-periph",
+ "osc24M", 0x028,
+ 8, 5, /* N */
+ 4, 2, /* K */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ 2, /* post-div */
+ CLK_SET_RATE_UNGATE);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
+ "osc24M", 0x038,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ CLK_SET_RATE_UNGATE);
+
+/*
+ * The MIPI PLL has 2 modes: "MIPI" and "HDMI".
+ *
+ * The MIPI mode is a standard NKM-style clock. The HDMI mode is an
+ * integer / fractional clock with switchable multipliers and dividers.
+ * This is not supported here. We hardcode the PLL to MIPI mode.
+ */
+#define SUN8I_A23_PLL_MIPI_REG 0x040
+static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi",
+ "pll-video", 0x040,
+ 8, 4, /* N */
+ 4, 2, /* K */
+ 0, 4, /* M */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ CLK_SET_RATE_UNGATE);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic",
+ "osc24M", 0x044,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ CLK_SET_RATE_UNGATE);
+
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
+ "osc24M", 0x048,
+ 8, 7, /* N */
+ 0, 4, /* M */
+ BIT(24), /* frac enable */
+ BIT(25), /* frac select */
+ 270000000, /* frac rate 0 */
+ 297000000, /* frac rate 1 */
+ BIT(31), /* gate */
+ BIT(28), /* lock */
+ CLK_SET_RATE_UNGATE);
+
+static const char * const cpux_parents[] = { "osc32k", "osc24M",
+ "pll-cpux" , "pll-cpux" };
+static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
+ 0x050, 16, 2, CLK_IS_CRITICAL);
+
+static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);
+
+static const char * const ahb1_parents[] = { "osc32k", "osc24M",
+ "axi" , "pll-periph" };
+static struct ccu_div ahb1_clk = {
+ .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
+
+ .mux = {
+ .shift = 12,
+ .width = 2,
+
+ .variable_prediv = {
+ .index = 3,
+ .shift = 6,
+ .width = 2,
+ },
+ },
+
+ .common = {
+ .reg = 0x054,
+ .features = CCU_FEATURE_VARIABLE_PREDIV,
+ .hw.init = CLK_HW_INIT_PARENTS("ahb1",
+ ahb1_parents,
+ &ccu_div_ops,
+ 0),
+ },
+};
+
+static struct clk_div_table apb1_div_table[] = {
+ { .val = 0, .div = 2 },
+ { .val = 1, .div = 2 },
+ { .val = 2, .div = 4 },
+ { .val = 3, .div = 8 },
+ { /* Sentinel */ },
+};
+static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
+ 0x054, 8, 2, apb1_div_table, 0);
+
+static const char * const apb2_parents[] = { "osc32k", "osc24M",
+ "pll-periph" , "pll-periph" };
+static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
+ 0, 5, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ 0);
+
+static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1",
+ 0x060, BIT(1), 0);
+static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1",
+ 0x060, BIT(6), 0);
+static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1",
+ 0x060, BIT(8), 0);
+static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1",
+ 0x060, BIT(9), 0);
+static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1",
+ 0x060, BIT(10), 0);
+static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1",
+ 0x060, BIT(13), 0);
+static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1",
+ 0x060, BIT(14), 0);
+static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1",
+ 0x060, BIT(19), 0);
+static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1",
+ 0x060, BIT(20), 0);
+static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1",
+ 0x060, BIT(21), 0);
+static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
+ 0x060, BIT(24), 0);
+static SUNXI_CCU_GATE(bus_ehci_clk, "bus-ehci", "ahb1",
+ 0x060, BIT(26), 0);
+static SUNXI_CCU_GATE(bus_ohci_clk, "bus-ohci", "ahb1",
+ 0x060, BIT(29), 0);
+
+static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1",
+ 0x064, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd", "ahb1",
+ 0x064, BIT(4), 0);
+static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1",
+ 0x064, BIT(8), 0);
+static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be", "ahb1",
+ 0x064, BIT(12), 0);
+static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe", "ahb1",
+ 0x064, BIT(14), 0);
+static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1",
+ 0x064, BIT(20), 0);
+static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1",
+ 0x064, BIT(21), 0);
+static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
+ 0x064, BIT(22), 0);
+static SUNXI_CCU_GATE(bus_drc_clk, "bus-drc", "ahb1",
+ 0x064, BIT(25), 0);
+
+static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1",
+ 0x068, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1",
+ 0x068, BIT(5), 0);
+static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1",
+ 0x068, BIT(12), 0);
+static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1",
+ 0x068, BIT(13), 0);
+
+static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2",
+ 0x06c, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2",
+ 0x06c, BIT(1), 0);
+static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2",
+ 0x06c, BIT(2), 0);
+static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2",
+ 0x06c, BIT(16), 0);
+static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2",
+ 0x06c, BIT(17), 0);
+static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2",
+ 0x06c, BIT(18), 0);
+static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2",
+ 0x06c, BIT(19), 0);
+static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2",
+ 0x06c, BIT(20), 0);
+
+static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" };
+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_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0",
+ 0x088, 20, 3, 0);
+static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0",
+ 0x088, 8, 3, 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_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1",
+ 0x08c, 20, 3, 0);
+static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1",
+ 0x08c, 8, 3, 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_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2",
+ 0x090, 20, 3, 0);
+static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2",
+ 0x090, 8, 3, 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 const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
+ "pll-audio-2x", "pll-audio" };
+static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
+ 0x0b0, 16, 2, BIT(31), 0);
+
+static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
+ 0x0b4, 16, 2, BIT(31), 0);
+
+/* TODO: the parent for most of the USB clocks is not known */
+static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
+ 0x0cc, BIT(8), 0);
+static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M",
+ 0x0cc, BIT(9), 0);
+static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic",
+ 0x0cc, BIT(10), 0);
+static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M", "osc24M",
+ 0x0cc, BIT(11), 0);
+static SUNXI_CCU_GATE(usb_ohci_clk, "usb-ohci", "osc24M",
+ 0x0cc, BIT(16), 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_drc_clk, "dram-drc", "pll-ddr",
+ 0x100, BIT(16), 0);
+static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "pll-ddr",
+ 0x100, BIT(24), 0);
+static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "pll-ddr",
+ 0x100, BIT(26), 0);
+
+static const char * const de_parents[] = { "pll-video", "pll-periph-2x",
+ "pll-gpu", "pll-de" };
+static const u8 de_table[] = { 0, 2, 3, 5 };
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be",
+ de_parents, de_table,
+ 0x104, 0, 4, 24, 3, BIT(31), 0);
+
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe",
+ de_parents, de_table,
+ 0x10c, 0, 4, 24, 3, BIT(31), 0);
+
+static const char * const lcd_ch0_parents[] = { "pll-video", "pll-video-2x",
+ "pll-mipi" };
+static const u8 lcd_ch0_table[] = { 0, 2, 4 };
+static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk, "lcd-ch0",
+ lcd_ch0_parents, lcd_ch0_table,
+ 0x118, 24, 3, BIT(31),
+ CLK_SET_RATE_PARENT);
+
+static const char * const lcd_ch1_parents[] = { "pll-video", "pll-video-2x" };
+static const u8 lcd_ch1_table[] = { 0, 2 };
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk, "lcd-ch1",
+ lcd_ch1_parents, lcd_ch1_table,
+ 0x12c, 0, 4, 24, 2, BIT(31), 0);
+
+static const char * const csi_sclk_parents[] = { "pll-video", "pll-de",
+ "pll-mipi", "pll-ve" };
+static const u8 csi_sclk_table[] = { 0, 3, 4, 5 };
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk",
+ csi_sclk_parents, csi_sclk_table,
+ 0x134, 16, 4, 24, 3, BIT(31), 0);
+
+static const char * const csi_mclk_parents[] = { "pll-video", "pll-de",
+ "osc24M" };
+static const u8 csi_mclk_table[] = { 0, 3, 5 };
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk",
+ csi_mclk_parents, csi_mclk_table,
+ 0x134, 0, 5, 8, 3, BIT(15), 0);
+
+static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
+ 0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT);
+
+static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio",
+ 0x140, BIT(31), 0);
+static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
+ 0x144, BIT(31), 0);
+
+static const char * const mbus_parents[] = { "osc24M", "pll-periph-2x",
+ "pll-ddr" };
+static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
+ 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);
+
+static const char * const dsi_sclk_parents[] = { "pll-video", "pll-video-2x" };
+static const u8 dsi_sclk_table[] = { 0, 2 };
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk, "dsi-sclk",
+ dsi_sclk_parents, dsi_sclk_table,
+ 0x168, 16, 4, 24, 2, BIT(31), 0);
+
+static const char * const dsi_dphy_parents[] = { "pll-video", "pll-periph" };
+static const u8 dsi_dphy_table[] = { 0, 2 };
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy",
+ dsi_dphy_parents, dsi_dphy_table,
+ 0x168, 0, 4, 8, 2, BIT(15), 0);
+
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc",
+ de_parents, de_table,
+ 0x180, 0, 4, 24, 3, BIT(31), 0);
+
+static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
+ 0x1a0, 0, 3, BIT(31), 0);
+
+static const char * const ats_parents[] = { "osc24M", "pll-periph" };
+static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", ats_parents,
+ 0x1b0, 0, 3, 24, 2, BIT(31), 0);
+
+static struct ccu_common *sun8i_a23_ccu_clks[] = {
+ &pll_cpux_clk.common,
+ &pll_audio_base_clk.common,
+ &pll_video_clk.common,
+ &pll_ve_clk.common,
+ &pll_ddr_clk.common,
+ &pll_periph_clk.common,
+ &pll_gpu_clk.common,
+ &pll_mipi_clk.common,
+ &pll_hsic_clk.common,
+ &pll_de_clk.common,
+ &cpux_clk.common,
+ &axi_clk.common,
+ &ahb1_clk.common,
+ &apb1_clk.common,
+ &apb2_clk.common,
+ &bus_mipi_dsi_clk.common,
+ &bus_dma_clk.common,
+ &bus_mmc0_clk.common,
+ &bus_mmc1_clk.common,
+ &bus_mmc2_clk.common,
+ &bus_nand_clk.common,
+ &bus_dram_clk.common,
+ &bus_hstimer_clk.common,
+ &bus_spi0_clk.common,
+ &bus_spi1_clk.common,
+ &bus_otg_clk.common,
+ &bus_ehci_clk.common,
+ &bus_ohci_clk.common,
+ &bus_ve_clk.common,
+ &bus_lcd_clk.common,
+ &bus_csi_clk.common,
+ &bus_de_fe_clk.common,
+ &bus_de_be_clk.common,
+ &bus_gpu_clk.common,
+ &bus_msgbox_clk.common,
+ &bus_drc_clk.common,
+ &bus_codec_clk.common,
+ &bus_pio_clk.common,
+ &bus_i2s0_clk.common,
+ &bus_i2s1_clk.common,
+ &bus_i2c0_clk.common,
+ &bus_i2c1_clk.common,
+ &bus_i2c2_clk.common,
+ &bus_uart0_clk.common,
+ &bus_uart1_clk.common,
+ &bus_uart2_clk.common,
+ &bus_uart3_clk.common,
+ &bus_uart4_clk.common,
+ &nand_clk.common,
+ &mmc0_clk.common,
+ &mmc0_sample_clk.common,
+ &mmc0_output_clk.common,
+ &mmc1_clk.common,
+ &mmc1_sample_clk.common,
+ &mmc1_output_clk.common,
+ &mmc2_clk.common,
+ &mmc2_sample_clk.common,
+ &mmc2_output_clk.common,
+ &spi0_clk.common,
+ &spi1_clk.common,
+ &i2s0_clk.common,
+ &i2s1_clk.common,
+ &usb_phy0_clk.common,
+ &usb_phy1_clk.common,
+ &usb_hsic_clk.common,
+ &usb_hsic_12M_clk.common,
+ &usb_ohci_clk.common,
+ &dram_ve_clk.common,
+ &dram_csi_clk.common,
+ &dram_drc_clk.common,
+ &dram_de_fe_clk.common,
+ &dram_de_be_clk.common,
+ &de_be_clk.common,
+ &de_fe_clk.common,
+ &lcd_ch0_clk.common,
+ &lcd_ch1_clk.common,
+ &csi_sclk_clk.common,
+ &csi_mclk_clk.common,
+ &ve_clk.common,
+ &ac_dig_clk.common,
+ &avs_clk.common,
+ &mbus_clk.common,
+ &dsi_sclk_clk.common,
+ &dsi_dphy_clk.common,
+ &drc_clk.common,
+ &gpu_clk.common,
+ &ats_clk.common,
+};
+
+/* 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_periph_2x_clk, "pll-periph-2x",
+ "pll-periph", 1, 2, 0);
+static CLK_FIXED_FACTOR(pll_video_2x_clk, "pll-video-2x",
+ "pll-video", 1, 2, 0);
+
+static struct clk_hw_onecell_data sun8i_a23_hw_clks = {
+ .hws = {
+ [CLK_PLL_CPUX] = &pll_cpux_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_VIDEO] = &pll_video_clk.common.hw,
+ [CLK_PLL_VIDEO_2X] = &pll_video_2x_clk.hw,
+ [CLK_PLL_VE] = &pll_ve_clk.common.hw,
+ [CLK_PLL_DDR0] = &pll_ddr_clk.common.hw,
+ [CLK_PLL_PERIPH] = &pll_periph_clk.common.hw,
+ [CLK_PLL_PERIPH_2X] = &pll_periph_2x_clk.hw,
+ [CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
+ [CLK_PLL_MIPI] = &pll_mipi_clk.common.hw,
+ [CLK_PLL_HSIC] = &pll_hsic_clk.common.hw,
+ [CLK_PLL_DE] = &pll_de_clk.common.hw,
+ [CLK_CPUX] = &cpux_clk.common.hw,
+ [CLK_AXI] = &axi_clk.common.hw,
+ [CLK_AHB1] = &ahb1_clk.common.hw,
+ [CLK_APB1] = &apb1_clk.common.hw,
+ [CLK_APB2] = &apb2_clk.common.hw,
+ [CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw,
+ [CLK_BUS_DMA] = &bus_dma_clk.common.hw,
+ [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw,
+ [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw,
+ [CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw,
+ [CLK_BUS_NAND] = &bus_nand_clk.common.hw,
+ [CLK_BUS_DRAM] = &bus_dram_clk.common.hw,
+ [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
+ [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw,
+ [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw,
+ [CLK_BUS_OTG] = &bus_otg_clk.common.hw,
+ [CLK_BUS_EHCI] = &bus_ehci_clk.common.hw,
+ [CLK_BUS_OHCI] = &bus_ohci_clk.common.hw,
+ [CLK_BUS_VE] = &bus_ve_clk.common.hw,
+ [CLK_BUS_LCD] = &bus_lcd_clk.common.hw,
+ [CLK_BUS_CSI] = &bus_csi_clk.common.hw,
+ [CLK_BUS_DE_BE] = &bus_de_be_clk.common.hw,
+ [CLK_BUS_DE_FE] = &bus_de_fe_clk.common.hw,
+ [CLK_BUS_GPU] = &bus_gpu_clk.common.hw,
+ [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
+ [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
+ [CLK_BUS_DRC] = &bus_drc_clk.common.hw,
+ [CLK_BUS_CODEC] = &bus_codec_clk.common.hw,
+ [CLK_BUS_PIO] = &bus_pio_clk.common.hw,
+ [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
+ [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
+ [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw,
+ [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw,
+ [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw,
+ [CLK_BUS_UART0] = &bus_uart0_clk.common.hw,
+ [CLK_BUS_UART1] = &bus_uart1_clk.common.hw,
+ [CLK_BUS_UART2] = &bus_uart2_clk.common.hw,
+ [CLK_BUS_UART3] = &bus_uart3_clk.common.hw,
+ [CLK_BUS_UART4] = &bus_uart4_clk.common.hw,
+ [CLK_NAND] = &nand_clk.common.hw,
+ [CLK_MMC0] = &mmc0_clk.common.hw,
+ [CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw,
+ [CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw,
+ [CLK_MMC1] = &mmc1_clk.common.hw,
+ [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw,
+ [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw,
+ [CLK_MMC2] = &mmc2_clk.common.hw,
+ [CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw,
+ [CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw,
+ [CLK_SPI0] = &spi0_clk.common.hw,
+ [CLK_SPI1] = &spi1_clk.common.hw,
+ [CLK_I2S0] = &i2s0_clk.common.hw,
+ [CLK_I2S1] = &i2s1_clk.common.hw,
+ [CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
+ [CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
+ [CLK_USB_HSIC] = &usb_hsic_clk.common.hw,
+ [CLK_USB_HSIC_12M] = &usb_hsic_12M_clk.common.hw,
+ [CLK_USB_OHCI] = &usb_ohci_clk.common.hw,
+ [CLK_DRAM_VE] = &dram_ve_clk.common.hw,
+ [CLK_DRAM_CSI] = &dram_csi_clk.common.hw,
+ [CLK_DRAM_DRC] = &dram_drc_clk.common.hw,
+ [CLK_DRAM_DE_FE] = &dram_de_fe_clk.common.hw,
+ [CLK_DRAM_DE_BE] = &dram_de_be_clk.common.hw,
+ [CLK_DE_BE] = &de_be_clk.common.hw,
+ [CLK_DE_FE] = &de_fe_clk.common.hw,
+ [CLK_LCD_CH0] = &lcd_ch0_clk.common.hw,
+ [CLK_LCD_CH1] = &lcd_ch1_clk.common.hw,
+ [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
+ [CLK_CSI_MCLK] = &csi_mclk_clk.common.hw,
+ [CLK_VE] = &ve_clk.common.hw,
+ [CLK_AC_DIG] = &ac_dig_clk.common.hw,
+ [CLK_AVS] = &avs_clk.common.hw,
+ [CLK_MBUS] = &mbus_clk.common.hw,
+ [CLK_DSI_SCLK] = &dsi_sclk_clk.common.hw,
+ [CLK_DSI_DPHY] = &dsi_dphy_clk.common.hw,
+ [CLK_DRC] = &drc_clk.common.hw,
+ [CLK_GPU] = &gpu_clk.common.hw,
+ [CLK_ATS] = &ats_clk.common.hw,
+ },
+ .num = CLK_NUMBER,
+};
+
+static struct ccu_reset_map sun8i_a23_ccu_resets[] = {
+ [RST_USB_PHY0] = { 0x0cc, BIT(0) },
+ [RST_USB_PHY1] = { 0x0cc, BIT(1) },
+ [RST_USB_HSIC] = { 0x0cc, BIT(2) },
+
+ [RST_MBUS] = { 0x0fc, BIT(31) },
+
+ [RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) },
+ [RST_BUS_DMA] = { 0x2c0, BIT(6) },
+ [RST_BUS_MMC0] = { 0x2c0, BIT(8) },
+ [RST_BUS_MMC1] = { 0x2c0, BIT(9) },
+ [RST_BUS_MMC2] = { 0x2c0, BIT(10) },
+ [RST_BUS_NAND] = { 0x2c0, BIT(13) },
+ [RST_BUS_DRAM] = { 0x2c0, BIT(14) },
+ [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) },
+ [RST_BUS_SPI0] = { 0x2c0, BIT(20) },
+ [RST_BUS_SPI1] = { 0x2c0, BIT(21) },
+ [RST_BUS_OTG] = { 0x2c0, BIT(24) },
+ [RST_BUS_EHCI] = { 0x2c0, BIT(26) },
+ [RST_BUS_OHCI] = { 0x2c0, BIT(29) },
+
+ [RST_BUS_VE] = { 0x2c4, BIT(0) },
+ [RST_BUS_LCD] = { 0x2c4, BIT(4) },
+ [RST_BUS_CSI] = { 0x2c4, BIT(8) },
+ [RST_BUS_DE_BE] = { 0x2c4, BIT(12) },
+ [RST_BUS_DE_FE] = { 0x2c4, BIT(14) },
+ [RST_BUS_GPU] = { 0x2c4, BIT(20) },
+ [RST_BUS_MSGBOX] = { 0x2c4, BIT(21) },
+ [RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) },
+ [RST_BUS_DRC] = { 0x2c4, BIT(25) },
+
+ [RST_BUS_LVDS] = { 0x2c8, BIT(0) },
+
+ [RST_BUS_CODEC] = { 0x2d0, BIT(0) },
+ [RST_BUS_I2S0] = { 0x2d0, BIT(12) },
+ [RST_BUS_I2S1] = { 0x2d0, BIT(13) },
+
+ [RST_BUS_I2C0] = { 0x2d4, BIT(0) },
+ [RST_BUS_I2C1] = { 0x2d4, BIT(1) },
+ [RST_BUS_I2C2] = { 0x2d4, BIT(2) },
+ [RST_BUS_UART0] = { 0x2d4, BIT(16) },
+ [RST_BUS_UART1] = { 0x2d4, BIT(17) },
+ [RST_BUS_UART2] = { 0x2d4, BIT(18) },
+ [RST_BUS_UART3] = { 0x2d4, BIT(19) },
+ [RST_BUS_UART4] = { 0x2d4, BIT(20) },
+};
+
+static const struct sunxi_ccu_desc sun8i_a23_ccu_desc = {
+ .ccu_clks = sun8i_a23_ccu_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun8i_a23_ccu_clks),
+
+ .hw_clks = &sun8i_a23_hw_clks,
+
+ .resets = sun8i_a23_ccu_resets,
+ .num_resets = ARRAY_SIZE(sun8i_a23_ccu_resets),
+};
+
+static void __init sun8i_a23_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 + SUN8I_A23_PLL_AUDIO_REG);
+ val &= ~GENMASK(19, 16);
+ writel(val | (3 << 16), reg + SUN8I_A23_PLL_AUDIO_REG);
+
+ /* Force PLL-MIPI to MIPI mode */
+ val = readl(reg + SUN8I_A23_PLL_MIPI_REG);
+ val &= ~BIT(16);
+ writel(val, reg + SUN8I_A23_PLL_MIPI_REG);
+
+ sunxi_ccu_probe(node, reg, &sun8i_a23_ccu_desc);
+}
+CLK_OF_DECLARE(sun8i_a23_ccu, "allwinner,sun8i-a23-ccu",
+ sun8i_a23_ccu_setup);
Add support for the clock unit found in the A23. Due to the similarities with the A33, it also shares its clock IDs to allow sharing the DTSI. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> --- .../devicetree/bindings/clock/sunxi-ccu.txt | 1 + drivers/clk/sunxi-ng/Kconfig | 12 + drivers/clk/sunxi-ng/Makefile | 1 + drivers/clk/sunxi-ng/ccu-sun8i-a23.c | 736 +++++++++++++++++++++ 4 files changed, 750 insertions(+) create mode 100644 drivers/clk/sunxi-ng/ccu-sun8i-a23.c