[RFC PATCH 10/17] clk: sunxi: Add support for the D1 CCU

Andre Przywara
2022-12-06T00:50:19Z

From: Samuel Holland <samuel@sholland.org>

Since the D1 CCU binding is defined, we can add support for its
gates/resets, following the pattern of the existing drivers.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Sean Anderson <seanga2@gmail.com>
---
drivers/clk/sunxi/Kconfig | 6 +
drivers/clk/sunxi/Makefile | 1 +
drivers/clk/sunxi/clk_d1.c | 101 ++++++++++++++
include/dt-bindings/clock/sun20i-d1-ccu.h | 156 ++++++++++++++++++++++
include/dt-bindings/reset/sun20i-d1-ccu.h | 77 +++++++++++
5 files changed, 341 insertions(+)
create mode 100644 drivers/clk/sunxi/clk_d1.c
create mode 100644 include/dt-bindings/clock/sun20i-d1-ccu.h
create mode 100644 include/dt-bindings/reset/sun20i-d1-ccu.h

diff --git a/drivers/clk/sunxi/Kconfig b/drivers/clk/sunxi/Kconfig
index bf11fad6eef..f65e482ba4c 100644
--- a/drivers/clk/sunxi/Kconfig
+++ b/drivers/clk/sunxi/Kconfig
@@ -87,6 +87,12 @@ config CLK_SUN8I_H3
This enables common clock driver support for platforms based
on Allwinner H3/H5 SoC.

+config CLK_SUN20I_D1
+ bool "Clock driver for Allwinner D1"
+ help
+ This enables common clock driver support for platforms based
+ on Allwinner D1 SoC.
+
config CLK_SUN50I_H6
bool "Clock driver for Allwinner H6"
default MACH_SUN50I_H6
diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile
index 895da02ebea..90a277489dc 100644
--- a/drivers/clk/sunxi/Makefile
+++ b/drivers/clk/sunxi/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_CLK_SUN8I_R40) += clk_r40.o
obj-$(CONFIG_CLK_SUN8I_V3S) += clk_v3s.o
obj-$(CONFIG_CLK_SUN9I_A80) += clk_a80.o
obj-$(CONFIG_CLK_SUN8I_H3) += clk_h3.o
+obj-$(CONFIG_CLK_SUN20I_D1) += clk_d1.o
obj-$(CONFIG_CLK_SUN50I_H6) += clk_h6.o
obj-$(CONFIG_CLK_SUN50I_H6_R) += clk_h6_r.o
obj-$(CONFIG_CLK_SUN50I_H616) += clk_h616.o
diff --git a/drivers/clk/sunxi/clk_d1.c b/drivers/clk/sunxi/clk_d1.c
new file mode 100644
index 00000000000..9412b77a542
--- /dev/null
+++ b/drivers/clk/sunxi/clk_d1.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2021 Samuel Holland <samuel@sholland.org>
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <clk/sunxi.h>
+#include <dt-bindings/clock/sun20i-d1-ccu.h>
+#include <dt-bindings/reset/sun20i-d1-ccu.h>
+#include <linux/bitops.h>
+
+static struct ccu_clk_gate d1_gates[] = {
+ [CLK_BUS_MMC0] = GATE(0x84c, BIT(0)),
+ [CLK_BUS_MMC1] = GATE(0x84c, BIT(1)),
+ [CLK_BUS_MMC2] = GATE(0x84c, BIT(2)),
+ [CLK_BUS_UART0] = GATE(0x90c, BIT(0)),
+ [CLK_BUS_UART1] = GATE(0x90c, BIT(1)),
+ [CLK_BUS_UART2] = GATE(0x90c, BIT(2)),
+ [CLK_BUS_UART3] = GATE(0x90c, BIT(3)),
+ [CLK_BUS_UART4] = GATE(0x90c, BIT(4)),
+ [CLK_BUS_UART5] = GATE(0x90c, BIT(5)),
+ [CLK_BUS_I2C0] = GATE(0x91c, BIT(0)),
+ [CLK_BUS_I2C1] = GATE(0x91c, BIT(1)),
+ [CLK_BUS_I2C2] = GATE(0x91c, BIT(2)),
+ [CLK_BUS_I2C3] = GATE(0x91c, BIT(3)),
+ [CLK_SPI0] = GATE(0x940, BIT(31)),
+ [CLK_SPI1] = GATE(0x944, BIT(31)),
+ [CLK_BUS_SPI0] = GATE(0x96c, BIT(0)),
+ [CLK_BUS_SPI1] = GATE(0x96c, BIT(1)),
+
+ [CLK_BUS_EMAC] = GATE(0x97c, BIT(0)),
+
+ [CLK_USB_OHCI0] = GATE(0xa70, BIT(31)),
+ [CLK_USB_OHCI1] = GATE(0xa74, BIT(31)),
+ [CLK_BUS_OHCI0] = GATE(0xa8c, BIT(0)),
+ [CLK_BUS_OHCI1] = GATE(0xa8c, BIT(1)),
+ [CLK_BUS_EHCI0] = GATE(0xa8c, BIT(4)),
+ [CLK_BUS_EHCI1] = GATE(0xa8c, BIT(5)),
+ [CLK_BUS_OTG] = GATE(0xa8c, BIT(8)),
+ [CLK_BUS_LRADC] = GATE(0xa9c, BIT(0)),
+
+ [CLK_RISCV] = GATE(0xd04, BIT(31)),
+};
+
+static struct ccu_reset d1_resets[] = {
+ [RST_BUS_MMC0] = RESET(0x84c, BIT(16)),
+ [RST_BUS_MMC1] = RESET(0x84c, BIT(17)),
+ [RST_BUS_MMC2] = RESET(0x84c, BIT(18)),
+ [RST_BUS_UART0] = RESET(0x90c, BIT(16)),
+ [RST_BUS_UART1] = RESET(0x90c, BIT(17)),
+ [RST_BUS_UART2] = RESET(0x90c, BIT(18)),
+ [RST_BUS_UART3] = RESET(0x90c, BIT(19)),
+ [RST_BUS_UART4] = RESET(0x90c, BIT(20)),
+ [RST_BUS_UART5] = RESET(0x90c, BIT(21)),
+ [RST_BUS_I2C0] = RESET(0x91c, BIT(16)),
+ [RST_BUS_I2C1] = RESET(0x91c, BIT(17)),
+ [RST_BUS_I2C2] = RESET(0x91c, BIT(18)),
+ [RST_BUS_I2C3] = RESET(0x91c, BIT(19)),
+ [RST_BUS_SPI0] = RESET(0x96c, BIT(16)),
+ [RST_BUS_SPI1] = RESET(0x96c, BIT(17)),
+
+ [RST_BUS_EMAC] = RESET(0x97c, BIT(16)),
+
+ [RST_USB_PHY0] = RESET(0xa70, BIT(30)),
+ [RST_USB_PHY1] = RESET(0xa74, BIT(30)),
+ [RST_BUS_OHCI0] = RESET(0xa8c, BIT(16)),
+ [RST_BUS_OHCI1] = RESET(0xa8c, BIT(17)),
+ [RST_BUS_EHCI0] = RESET(0xa8c, BIT(20)),
+ [RST_BUS_EHCI1] = RESET(0xa8c, BIT(21)),
+ [RST_BUS_OTG] = RESET(0xa8c, BIT(24)),
+ [RST_BUS_LRADC] = RESET(0xa9c, BIT(16)),
+};
+
+static const struct ccu_desc d1_ccu_desc = {
+ .gates = d1_gates,
+ .resets = d1_resets,
+};
+
+static int d1_clk_bind(struct udevice *dev)
+{
+ return sunxi_reset_bind(dev, ARRAY_SIZE(d1_resets));
+}
+
+static const struct udevice_id d1_ccu_ids[] = {
+ { .compatible = "allwinner,sun20i-d1-ccu",
+ .data = (ulong)&d1_ccu_desc },
+ { }
+};
+
+U_BOOT_DRIVER(clk_sun20i_d1) = {
+ .name = "sun20i_d1_ccu",
+ .id = UCLASS_CLK,
+ .of_match = d1_ccu_ids,
+ .priv_auto = sizeof(struct ccu_priv),
+ .ops = &sunxi_clk_ops,
+ .probe = sunxi_clk_probe,
+ .bind = d1_clk_bind,
+};
diff --git a/include/dt-bindings/clock/sun20i-d1-ccu.h b/include/dt-bindings/clock/sun20i-d1-ccu.h
new file mode 100644
index 00000000000..e3ac53315e1
--- /dev/null
+++ b/include/dt-bindings/clock/sun20i-d1-ccu.h
@@ -0,0 +1,156 @@
+/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
+/*
+ * Copyright (C) 2020 huangzhenwei@allwinnertech.com
+ * Copyright (C) 2021 Samuel Holland <samuel@sholland.org>
+ */
+
+#ifndef _DT_BINDINGS_CLK_SUN20I_D1_CCU_H_
+#define _DT_BINDINGS_CLK_SUN20I_D1_CCU_H_
+
+#define CLK_PLL_CPUX 0
+#define CLK_PLL_DDR0 1
+#define CLK_PLL_PERIPH0_4X 2
+#define CLK_PLL_PERIPH0_2X 3
+#define CLK_PLL_PERIPH0_800M 4
+#define CLK_PLL_PERIPH0 5
+#define CLK_PLL_PERIPH0_DIV3 6
+#define CLK_PLL_VIDEO0_4X 7
+#define CLK_PLL_VIDEO0_2X 8
+#define CLK_PLL_VIDEO0 9
+#define CLK_PLL_VIDEO1_4X 10
+#define CLK_PLL_VIDEO1_2X 11
+#define CLK_PLL_VIDEO1 12
+#define CLK_PLL_VE 13
+#define CLK_PLL_AUDIO0_4X 14
+#define CLK_PLL_AUDIO0_2X 15
+#define CLK_PLL_AUDIO0 16
+#define CLK_PLL_AUDIO1 17
+#define CLK_PLL_AUDIO1_DIV2 18
+#define CLK_PLL_AUDIO1_DIV5 19
+#define CLK_CPUX 20
+#define CLK_CPUX_AXI 21
+#define CLK_CPUX_APB 22
+#define CLK_PSI_AHB 23
+#define CLK_APB0 24
+#define CLK_APB1 25
+#define CLK_MBUS 26
+#define CLK_DE 27
+#define CLK_BUS_DE 28
+#define CLK_DI 29
+#define CLK_BUS_DI 30
+#define CLK_G2D 31
+#define CLK_BUS_G2D 32
+#define CLK_CE 33
+#define CLK_BUS_CE 34
+#define CLK_VE 35
+#define CLK_BUS_VE 36
+#define CLK_BUS_DMA 37
+#define CLK_BUS_MSGBOX0 38
+#define CLK_BUS_MSGBOX1 39
+#define CLK_BUS_MSGBOX2 40
+#define CLK_BUS_SPINLOCK 41
+#define CLK_BUS_HSTIMER 42
+#define CLK_AVS 43
+#define CLK_BUS_DBG 44
+#define CLK_BUS_PWM 45
+#define CLK_BUS_IOMMU 46
+#define CLK_DRAM 47
+#define CLK_MBUS_DMA 48
+#define CLK_MBUS_VE 49
+#define CLK_MBUS_CE 50
+#define CLK_MBUS_TVIN 51
+#define CLK_MBUS_CSI 52
+#define CLK_MBUS_G2D 53
+#define CLK_MBUS_RISCV 54
+#define CLK_BUS_DRAM 55
+#define CLK_MMC0 56
+#define CLK_MMC1 57
+#define CLK_MMC2 58
+#define CLK_BUS_MMC0 59
+#define CLK_BUS_MMC1 60
+#define CLK_BUS_MMC2 61
+#define CLK_BUS_UART0 62
+#define CLK_BUS_UART1 63
+#define CLK_BUS_UART2 64
+#define CLK_BUS_UART3 65
+#define CLK_BUS_UART4 66
+#define CLK_BUS_UART5 67
+#define CLK_BUS_I2C0 68
+#define CLK_BUS_I2C1 69
+#define CLK_BUS_I2C2 70
+#define CLK_BUS_I2C3 71
+#define CLK_SPI0 72
+#define CLK_SPI1 73
+#define CLK_BUS_SPI0 74
+#define CLK_BUS_SPI1 75
+#define CLK_EMAC_25M 76
+#define CLK_BUS_EMAC 77
+#define CLK_IR_TX 78
+#define CLK_BUS_IR_TX 79
+#define CLK_BUS_GPADC 80
+#define CLK_BUS_THS 81
+#define CLK_I2S0 82
+#define CLK_I2S1 83
+#define CLK_I2S2 84
+#define CLK_I2S2_ASRC 85
+#define CLK_BUS_I2S0 86
+#define CLK_BUS_I2S1 87
+#define CLK_BUS_I2S2 88
+#define CLK_SPDIF_TX 89
+#define CLK_SPDIF_RX 90
+#define CLK_BUS_SPDIF 91
+#define CLK_DMIC 92
+#define CLK_BUS_DMIC 93
+#define CLK_AUDIO_DAC 94
+#define CLK_AUDIO_ADC 95
+#define CLK_BUS_AUDIO 96
+#define CLK_USB_OHCI0 97
+#define CLK_USB_OHCI1 98
+#define CLK_BUS_OHCI0 99
+#define CLK_BUS_OHCI1 100
+#define CLK_BUS_EHCI0 101
+#define CLK_BUS_EHCI1 102
+#define CLK_BUS_OTG 103
+#define CLK_BUS_LRADC 104
+#define CLK_BUS_DPSS_TOP 105
+#define CLK_HDMI_24M 106
+#define CLK_HDMI_CEC_32K 107
+#define CLK_HDMI_CEC 108
+#define CLK_BUS_HDMI 109
+#define CLK_MIPI_DSI 110
+#define CLK_BUS_MIPI_DSI 111
+#define CLK_TCON_LCD0 112
+#define CLK_BUS_TCON_LCD0 113
+#define CLK_TCON_TV 114
+#define CLK_BUS_TCON_TV 115
+#define CLK_TVE 116
+#define CLK_BUS_TVE_TOP 117
+#define CLK_BUS_TVE 118
+#define CLK_TVD 119
+#define CLK_BUS_TVD_TOP 120
+#define CLK_BUS_TVD 121
+#define CLK_LEDC 122
+#define CLK_BUS_LEDC 123
+#define CLK_CSI_TOP 124
+#define CLK_CSI_MCLK 125
+#define CLK_BUS_CSI 126
+#define CLK_TPADC 127
+#define CLK_BUS_TPADC 128
+#define CLK_BUS_TZMA 129
+#define CLK_DSP 130
+#define CLK_BUS_DSP_CFG 131
+#define CLK_RISCV 132
+#define CLK_RISCV_AXI 133
+#define CLK_BUS_RISCV_CFG 134
+#define CLK_FANOUT_24M 135
+#define CLK_FANOUT_12M 136
+#define CLK_FANOUT_16M 137
+#define CLK_FANOUT_25M 138
+#define CLK_FANOUT_32K 139
+#define CLK_FANOUT_27M 140
+#define CLK_FANOUT_PCLK 141
+#define CLK_FANOUT0 142
+#define CLK_FANOUT1 143
+#define CLK_FANOUT2 144
+
+#endif /* _DT_BINDINGS_CLK_SUN20I_D1_CCU_H_ */
diff --git a/include/dt-bindings/reset/sun20i-d1-ccu.h b/include/dt-bindings/reset/sun20i-d1-ccu.h
new file mode 100644
index 00000000000..de9ff520323
--- /dev/null
+++ b/include/dt-bindings/reset/sun20i-d1-ccu.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
+/*
+ * Copyright (c) 2020 huangzhenwei@allwinnertech.com
+ * Copyright (C) 2021 Samuel Holland <samuel@sholland.org>
+ */
+
+#ifndef _DT_BINDINGS_RST_SUN20I_D1_CCU_H_
+#define _DT_BINDINGS_RST_SUN20I_D1_CCU_H_
+
+#define RST_MBUS 0
+#define RST_BUS_DE 1
+#define RST_BUS_DI 2
+#define RST_BUS_G2D 3
+#define RST_BUS_CE 4
+#define RST_BUS_VE 5
+#define RST_BUS_DMA 6
+#define RST_BUS_MSGBOX0 7
+#define RST_BUS_MSGBOX1 8
+#define RST_BUS_MSGBOX2 9
+#define RST_BUS_SPINLOCK 10
+#define RST_BUS_HSTIMER 11
+#define RST_BUS_DBG 12
+#define RST_BUS_PWM 13
+#define RST_BUS_DRAM 14
+#define RST_BUS_MMC0 15
+#define RST_BUS_MMC1 16
+#define RST_BUS_MMC2 17
+#define RST_BUS_UART0 18
+#define RST_BUS_UART1 19
+#define RST_BUS_UART2 20
+#define RST_BUS_UART3 21
+#define RST_BUS_UART4 22
+#define RST_BUS_UART5 23
+#define RST_BUS_I2C0 24
+#define RST_BUS_I2C1 25
+#define RST_BUS_I2C2 26
+#define RST_BUS_I2C3 27
+#define RST_BUS_SPI0 28
+#define RST_BUS_SPI1 29
+#define RST_BUS_EMAC 30
+#define RST_BUS_IR_TX 31
+#define RST_BUS_GPADC 32
+#define RST_BUS_THS 33
+#define RST_BUS_I2S0 34
+#define RST_BUS_I2S1 35
+#define RST_BUS_I2S2 36
+#define RST_BUS_SPDIF 37
+#define RST_BUS_DMIC 38
+#define RST_BUS_AUDIO 39
+#define RST_USB_PHY0 40
+#define RST_USB_PHY1 41
+#define RST_BUS_OHCI0 42
+#define RST_BUS_OHCI1 43
+#define RST_BUS_EHCI0 44
+#define RST_BUS_EHCI1 45
+#define RST_BUS_OTG 46
+#define RST_BUS_LRADC 47
+#define RST_BUS_DPSS_TOP 48
+#define RST_BUS_HDMI_SUB 49
+#define RST_BUS_HDMI_MAIN 50
+#define RST_BUS_MIPI_DSI 51
+#define RST_BUS_TCON_LCD0 52
+#define RST_BUS_TCON_TV 53
+#define RST_BUS_LVDS0 54
+#define RST_BUS_TVE 55
+#define RST_BUS_TVE_TOP 56
+#define RST_BUS_TVD 57
+#define RST_BUS_TVD_TOP 58
+#define RST_BUS_LEDC 59
+#define RST_BUS_CSI 60
+#define RST_BUS_TPADC 61
+#define RST_DSP 62
+#define RST_BUS_DSP_CFG 63
+#define RST_BUS_DSP_DBG 64
+#define RST_BUS_RISCV_CFG 65
+
+#endif /* _DT_BINDINGS_RST_SUN20I_D1_CCU_H_ */
--
2.35.5