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u-boot/drivers/clk/sunxi/clk_a23.c

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clk: sunxi: Add Allwinner A23/A33 CLK driver Add initial clock driver for Allwinner A23/A33. - Implement USB bus and USB clocks via ccu_clk_gate table for A23/A33, so it can accessed in common clk enable and disable functions from clk_sunxi.c - Implement USB bus and USB resets via ccu_reset table for A23/A33, so it can accessed in common reset deassert and assert functions from reset-sunxi.c Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-08-02 17:55:03 +00:00
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (C) 2018 Amarula Solutions B.V.
* Author: Jagan Teki <jagan@amarulasolutions.com>
*/
#include <common.h>
#include <clk-uclass.h>
#include <dm.h>
#include <errno.h>
clk: sunxi: Move header out of arch directory The CCU header is only used by the DM drivers, not any platform code. Its current location adds an artificial dependency on CONFIG_ARM and ARCH_SUNXI, which will be problematic when adding the CCU driver for a RISC-V sunxi platform. Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-09-12 16:48:43 +00:00
#include <clk/sunxi.h>
clk: sunxi: Add Allwinner A23/A33 CLK driver Add initial clock driver for Allwinner A23/A33. - Implement USB bus and USB clocks via ccu_clk_gate table for A23/A33, so it can accessed in common clk enable and disable functions from clk_sunxi.c - Implement USB bus and USB resets via ccu_reset table for A23/A33, so it can accessed in common reset deassert and assert functions from reset-sunxi.c Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-08-02 17:55:03 +00:00
#include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
#include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
common: Drop linux/bitops.h from common header Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-10 17:40:13 +00:00
#include <linux/bitops.h>
clk: sunxi: Add Allwinner A23/A33 CLK driver Add initial clock driver for Allwinner A23/A33. - Implement USB bus and USB clocks via ccu_clk_gate table for A23/A33, so it can accessed in common clk enable and disable functions from clk_sunxi.c - Implement USB bus and USB resets via ccu_reset table for A23/A33, so it can accessed in common reset deassert and assert functions from reset-sunxi.c Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-08-02 17:55:03 +00:00
static struct ccu_clk_gate a23_gates[] = {
sunxi: clk: add MMC gates/resets Add the MMC clock gates and reset bits for all the Allwinner SoCs. This allows them to be used by the MMC driver. We don't advertise the mod clock yet, as this is still handled by the MMC driver. Signed-off-by: Andre Przywara <andre.przywara@arm.com> [jagan: add V3S, A80 gates/resets] Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Jagan Teki <jagan@openedev.com>
2019-01-29 15:54:09 +00:00
[CLK_BUS_MMC0] = GATE(0x060, BIT(8)),
[CLK_BUS_MMC1] = GATE(0x060, BIT(9)),
[CLK_BUS_MMC2] = GATE(0x060, BIT(10)),
clk: sunxi: Implement SPI clocks, resets - Implement SPI AHB, MOD clocks via ccu_clk_gate for all supported Allwinner SoCs - Implement SPI resets via ccu_reset for all supported Allwinner SoCs. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
2019-02-27 14:32:06 +00:00
[CLK_BUS_SPI0] = GATE(0x060, BIT(20)),
[CLK_BUS_SPI1] = GATE(0x060, BIT(21)),
clk: sunxi: Add Allwinner A23/A33 CLK driver Add initial clock driver for Allwinner A23/A33. - Implement USB bus and USB clocks via ccu_clk_gate table for A23/A33, so it can accessed in common clk enable and disable functions from clk_sunxi.c - Implement USB bus and USB resets via ccu_reset table for A23/A33, so it can accessed in common reset deassert and assert functions from reset-sunxi.c Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-08-02 17:55:03 +00:00
[CLK_BUS_OTG] = GATE(0x060, BIT(24)),
[CLK_BUS_EHCI] = GATE(0x060, BIT(26)),
[CLK_BUS_OHCI] = GATE(0x060, BIT(29)),
clk: sunxi: add PIO bus gate clocks The introduction of the DM pinctrl driver made its probe function enable all clocks enumerated in the DT. This includes the "CLK_BUS_PIO" (and variations) gate clock. Also CLK_PLL_PERIPH0 is used by the R_CCU device. So far we didn't describe those clocks in our clock driver. As we enable them already in the SPL, the devices happen to work, but the clock driver still complains about not finding those clocks: ========= sunxi_set_gate: (CLK#58) unhandled ========= Add the one-liners that are needed to announce the gate bit for those clocks, to silence that message on the console. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Samuel Holland <samuel@sholland.org>
2022-05-04 21:10:28 +00:00
[CLK_BUS_PIO] = GATE(0x068, BIT(5)),
clk: sunxi: Add support for I2C gates/resets Currently, the I2C clocks are configured in the sunxi board code. Add the I2C clocks to the DM clock driver so they can be enabled from the DM I2C driver using the normal uclass methods. Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-09-12 14:47:24 +00:00
[CLK_BUS_I2C0] = GATE(0x06c, BIT(0)),
[CLK_BUS_I2C1] = GATE(0x06c, BIT(1)),
[CLK_BUS_I2C2] = GATE(0x06c, BIT(2)),
clk: sunxi: Implement UART clocks Implement UART clocks for all Allwinner SoC clock drivers via ccu clock gate table. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
2018-12-30 15:59:24 +00:00
[CLK_BUS_UART0] = GATE(0x06c, BIT(16)),
[CLK_BUS_UART1] = GATE(0x06c, BIT(17)),
[CLK_BUS_UART2] = GATE(0x06c, BIT(18)),
[CLK_BUS_UART3] = GATE(0x06c, BIT(19)),
[CLK_BUS_UART4] = GATE(0x06c, BIT(20)),
clk: sunxi: Implement SPI clocks, resets - Implement SPI AHB, MOD clocks via ccu_clk_gate for all supported Allwinner SoCs - Implement SPI resets via ccu_reset for all supported Allwinner SoCs. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
2019-02-27 14:32:06 +00:00
[CLK_SPI0] = GATE(0x0a0, BIT(31)),
[CLK_SPI1] = GATE(0x0a4, BIT(31)),
clk: sunxi: Add Allwinner A23/A33 CLK driver Add initial clock driver for Allwinner A23/A33. - Implement USB bus and USB clocks via ccu_clk_gate table for A23/A33, so it can accessed in common clk enable and disable functions from clk_sunxi.c - Implement USB bus and USB resets via ccu_reset table for A23/A33, so it can accessed in common reset deassert and assert functions from reset-sunxi.c Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-08-02 17:55:03 +00:00
[CLK_USB_PHY0] = GATE(0x0cc, BIT(8)),
[CLK_USB_PHY1] = GATE(0x0cc, BIT(9)),
[CLK_USB_HSIC] = GATE(0x0cc, BIT(10)),
[CLK_USB_HSIC_12M] = GATE(0x0cc, BIT(11)),
[CLK_USB_OHCI] = GATE(0x0cc, BIT(16)),
};
static struct ccu_reset a23_resets[] = {
[RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
[RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
[RST_USB_HSIC] = RESET(0x0cc, BIT(2)),
sunxi: clk: add MMC gates/resets Add the MMC clock gates and reset bits for all the Allwinner SoCs. This allows them to be used by the MMC driver. We don't advertise the mod clock yet, as this is still handled by the MMC driver. Signed-off-by: Andre Przywara <andre.przywara@arm.com> [jagan: add V3S, A80 gates/resets] Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Jagan Teki <jagan@openedev.com>
2019-01-29 15:54:09 +00:00
[RST_BUS_MMC0] = RESET(0x2c0, BIT(8)),
[RST_BUS_MMC1] = RESET(0x2c0, BIT(9)),
[RST_BUS_MMC2] = RESET(0x2c0, BIT(10)),
clk: sunxi: Implement SPI clocks, resets - Implement SPI AHB, MOD clocks via ccu_clk_gate for all supported Allwinner SoCs - Implement SPI resets via ccu_reset for all supported Allwinner SoCs. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
2019-02-27 14:32:06 +00:00
[RST_BUS_SPI0] = RESET(0x2c0, BIT(20)),
[RST_BUS_SPI1] = RESET(0x2c0, BIT(21)),
clk: sunxi: Add Allwinner A23/A33 CLK driver Add initial clock driver for Allwinner A23/A33. - Implement USB bus and USB clocks via ccu_clk_gate table for A23/A33, so it can accessed in common clk enable and disable functions from clk_sunxi.c - Implement USB bus and USB resets via ccu_reset table for A23/A33, so it can accessed in common reset deassert and assert functions from reset-sunxi.c Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-08-02 17:55:03 +00:00
[RST_BUS_OTG] = RESET(0x2c0, BIT(24)),
[RST_BUS_EHCI] = RESET(0x2c0, BIT(26)),
[RST_BUS_OHCI] = RESET(0x2c0, BIT(29)),
clk: sunxi: Implement UART resets Implement UART resets for all relevant Allwinner SoC clock drivers via ccu reset table. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
2018-12-30 16:07:31 +00:00
clk: sunxi: Add support for I2C gates/resets Currently, the I2C clocks are configured in the sunxi board code. Add the I2C clocks to the DM clock driver so they can be enabled from the DM I2C driver using the normal uclass methods. Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-09-12 14:47:24 +00:00
[RST_BUS_I2C0] = RESET(0x2d8, BIT(0)),
[RST_BUS_I2C1] = RESET(0x2d8, BIT(1)),
[RST_BUS_I2C2] = RESET(0x2d8, BIT(2)),
clk: sunxi: Implement UART resets Implement UART resets for all relevant Allwinner SoC clock drivers via ccu reset table. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
2018-12-30 16:07:31 +00:00
[RST_BUS_UART0] = RESET(0x2d8, BIT(16)),
[RST_BUS_UART1] = RESET(0x2d8, BIT(17)),
[RST_BUS_UART2] = RESET(0x2d8, BIT(18)),
[RST_BUS_UART3] = RESET(0x2d8, BIT(19)),
[RST_BUS_UART4] = RESET(0x2d8, BIT(20)),
clk: sunxi: Add Allwinner A23/A33 CLK driver Add initial clock driver for Allwinner A23/A33. - Implement USB bus and USB clocks via ccu_clk_gate table for A23/A33, so it can accessed in common clk enable and disable functions from clk_sunxi.c - Implement USB bus and USB resets via ccu_reset table for A23/A33, so it can accessed in common reset deassert and assert functions from reset-sunxi.c Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-08-02 17:55:03 +00:00
};
static const struct ccu_desc a23_ccu_desc = {
.gates = a23_gates,
.resets = a23_resets,
};
static int a23_clk_bind(struct udevice *dev)
{
return sunxi_reset_bind(dev, ARRAY_SIZE(a23_resets));
}
static const struct udevice_id a23_clk_ids[] = {
{ .compatible = "allwinner,sun8i-a23-ccu",
.data = (ulong)&a23_ccu_desc },
{ .compatible = "allwinner,sun8i-a33-ccu",
.data = (ulong)&a23_ccu_desc },
{ }
};
U_BOOT_DRIVER(clk_sun8i_a23) = {
.name = "sun8i_a23_ccu",
.id = UCLASS_CLK,
.of_match = a23_clk_ids,
dm: treewide: Rename auto_alloc_size members to be shorter This construct is quite long-winded. In earlier days it made some sense since auto-allocation was a strange concept. But with driver model now used pretty universally, we can shorten this to 'auto'. This reduces verbosity and makes it easier to read. Coincidentally it also ensures that every declaration is on one line, thus making dtoc's job easier. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-03 23:55:17 +00:00
.priv_auto = sizeof(struct ccu_priv),
clk: sunxi: Add Allwinner A23/A33 CLK driver Add initial clock driver for Allwinner A23/A33. - Implement USB bus and USB clocks via ccu_clk_gate table for A23/A33, so it can accessed in common clk enable and disable functions from clk_sunxi.c - Implement USB bus and USB resets via ccu_reset table for A23/A33, so it can accessed in common reset deassert and assert functions from reset-sunxi.c Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-08-02 17:55:03 +00:00
.ops = &sunxi_clk_ops,
.probe = sunxi_clk_probe,
.bind = a23_clk_bind,
};
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