Merge tag 'u-boot-amlogic-20210112' of https://gitlab.denx.de/u-boot/custodians/u-boot-amlogic
- sync amlogic GX & AXG DT to Linux 5.10 - Add new MESON_EE driver support for GXBB & AXG - Add support for Libretech-CC v2, Wetek Core2, Beelink GT-King/Pro boards - add driver for TDO tl070wsh30 panel driver - meson: isolate loading of socinfo - Add soc_rev to environment - Enable G12A support for saradc - Add correct mmcdev on VIM3(L) & Odroid-N2(C4) - Read MAC from fuses for VIM3 & VIM3L boards
This commit is contained in:
@@ -6,4 +6,5 @@
|
||||
obj-$(CONFIG_CLK_MESON_GX) += gxbb.o
|
||||
obj-$(CONFIG_CLK_MESON_AXG) += axg.o
|
||||
obj-$(CONFIG_CLK_MESON_G12A) += g12a.o
|
||||
obj-$(CONFIG_CLK_MESON_G12A) += g12a-ao.o
|
||||
|
||||
|
||||
83
drivers/clk/meson/g12a-ao.c
Normal file
83
drivers/clk/meson/g12a-ao.c
Normal file
@@ -0,0 +1,83 @@
|
||||
// SPDX-License-Identifier: GPL-2.0+
|
||||
|
||||
#include <common.h>
|
||||
#include <log.h>
|
||||
#include <asm/io.h>
|
||||
#include <clk-uclass.h>
|
||||
#include <dm.h>
|
||||
#include <regmap.h>
|
||||
#include <syscon.h>
|
||||
#include <dt-bindings/clock/g12a-aoclkc.h>
|
||||
|
||||
#include "clk_meson.h"
|
||||
|
||||
struct meson_clk {
|
||||
struct regmap *map;
|
||||
};
|
||||
|
||||
#define AO_CLK_GATE0 0x4c
|
||||
#define AO_SAR_CLK 0x90
|
||||
|
||||
static struct meson_gate gates[] = {
|
||||
MESON_GATE(CLKID_AO_SAR_ADC, AO_CLK_GATE0, 8),
|
||||
MESON_GATE(CLKID_AO_SAR_ADC_CLK, AO_SAR_CLK, 8),
|
||||
};
|
||||
|
||||
static int meson_set_gate(struct clk *clk, bool on)
|
||||
{
|
||||
struct meson_clk *priv = dev_get_priv(clk->dev);
|
||||
struct meson_gate *gate;
|
||||
|
||||
if (clk->id >= ARRAY_SIZE(gates))
|
||||
return -ENOENT;
|
||||
|
||||
gate = &gates[clk->id];
|
||||
|
||||
if (gate->reg == 0)
|
||||
return 0;
|
||||
|
||||
regmap_update_bits(priv->map, gate->reg,
|
||||
BIT(gate->bit), on ? BIT(gate->bit) : 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int meson_clk_enable(struct clk *clk)
|
||||
{
|
||||
return meson_set_gate(clk, true);
|
||||
}
|
||||
|
||||
static int meson_clk_disable(struct clk *clk)
|
||||
{
|
||||
return meson_set_gate(clk, false);
|
||||
}
|
||||
|
||||
static int meson_clk_probe(struct udevice *dev)
|
||||
{
|
||||
struct meson_clk *priv = dev_get_priv(dev);
|
||||
|
||||
priv->map = syscon_node_to_regmap(dev_ofnode(dev_get_parent(dev)));
|
||||
if (IS_ERR(priv->map))
|
||||
return PTR_ERR(priv->map);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct clk_ops meson_clk_ops = {
|
||||
.disable = meson_clk_disable,
|
||||
.enable = meson_clk_enable,
|
||||
};
|
||||
|
||||
static const struct udevice_id meson_clk_ids[] = {
|
||||
{ .compatible = "amlogic,meson-g12a-aoclkc" },
|
||||
{ }
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(meson_clk_axg) = {
|
||||
.name = "meson_clk_g12a_ao",
|
||||
.id = UCLASS_CLK,
|
||||
.of_match = meson_clk_ids,
|
||||
.priv_auto = sizeof(struct meson_clk),
|
||||
.ops = &meson_clk_ops,
|
||||
.probe = meson_clk_probe,
|
||||
};
|
||||
Reference in New Issue
Block a user