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Diffstat (limited to 'roms/u-boot/drivers/clk/sunxi/clk_a80.c')
-rw-r--r--roms/u-boot/drivers/clk/sunxi/clk_a80.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/clk/sunxi/clk_a80.c b/roms/u-boot/drivers/clk/sunxi/clk_a80.c
new file mode 100644
index 000000000..68973d528
--- /dev/null
+++ b/roms/u-boot/drivers/clk/sunxi/clk_a80.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Amarula Solutions.
+ * Author: Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <asm/arch/ccu.h>
+#include <dt-bindings/clock/sun9i-a80-ccu.h>
+#include <dt-bindings/reset/sun9i-a80-ccu.h>
+#include <linux/bitops.h>
+
+static const struct ccu_clk_gate a80_gates[] = {
+ [CLK_SPI0] = GATE(0x430, BIT(31)),
+ [CLK_SPI1] = GATE(0x434, BIT(31)),
+ [CLK_SPI2] = GATE(0x438, BIT(31)),
+ [CLK_SPI3] = GATE(0x43c, BIT(31)),
+
+ [CLK_BUS_MMC] = GATE(0x580, BIT(8)),
+ [CLK_BUS_SPI0] = GATE(0x580, BIT(20)),
+ [CLK_BUS_SPI1] = GATE(0x580, BIT(21)),
+ [CLK_BUS_SPI2] = GATE(0x580, BIT(22)),
+ [CLK_BUS_SPI3] = GATE(0x580, BIT(23)),
+
+ [CLK_BUS_UART0] = GATE(0x594, BIT(16)),
+ [CLK_BUS_UART1] = GATE(0x594, BIT(17)),
+ [CLK_BUS_UART2] = GATE(0x594, BIT(18)),
+ [CLK_BUS_UART3] = GATE(0x594, BIT(19)),
+ [CLK_BUS_UART4] = GATE(0x594, BIT(20)),
+ [CLK_BUS_UART5] = GATE(0x594, BIT(21)),
+};
+
+static const struct ccu_reset a80_resets[] = {
+ [RST_BUS_MMC] = RESET(0x5a0, BIT(8)),
+ [RST_BUS_SPI0] = RESET(0x5a0, BIT(20)),
+ [RST_BUS_SPI1] = RESET(0x5a0, BIT(21)),
+ [RST_BUS_SPI2] = RESET(0x5a0, BIT(22)),
+ [RST_BUS_SPI3] = RESET(0x5a0, BIT(23)),
+
+ [RST_BUS_UART0] = RESET(0x5b4, BIT(16)),
+ [RST_BUS_UART1] = RESET(0x5b4, BIT(17)),
+ [RST_BUS_UART2] = RESET(0x5b4, BIT(18)),
+ [RST_BUS_UART3] = RESET(0x5b4, BIT(19)),
+ [RST_BUS_UART4] = RESET(0x5b4, BIT(20)),
+ [RST_BUS_UART5] = RESET(0x5b4, BIT(21)),
+};
+
+static const struct ccu_clk_gate a80_mmc_gates[] = {
+ [0] = GATE(0x0, BIT(16)),
+ [1] = GATE(0x4, BIT(16)),
+ [2] = GATE(0x8, BIT(16)),
+ [3] = GATE(0xc, BIT(16)),
+};
+
+static const struct ccu_reset a80_mmc_resets[] = {
+ [0] = GATE(0x0, BIT(18)),
+ [1] = GATE(0x4, BIT(18)),
+ [2] = GATE(0x8, BIT(18)),
+ [3] = GATE(0xc, BIT(18)),
+};
+
+static const struct ccu_desc a80_ccu_desc = {
+ .gates = a80_gates,
+ .resets = a80_resets,
+};
+
+static const struct ccu_desc a80_mmc_clk_desc = {
+ .gates = a80_mmc_gates,
+ .resets = a80_mmc_resets,
+};
+
+static int a80_clk_bind(struct udevice *dev)
+{
+ ulong count = ARRAY_SIZE(a80_resets);
+
+ if (device_is_compatible(dev, "allwinner,sun9i-a80-mmc-config-clk"))
+ count = ARRAY_SIZE(a80_mmc_resets);
+
+ return sunxi_reset_bind(dev, count);
+}
+
+static const struct udevice_id a80_ccu_ids[] = {
+ { .compatible = "allwinner,sun9i-a80-ccu",
+ .data = (ulong)&a80_ccu_desc },
+ { .compatible = "allwinner,sun9i-a80-mmc-config-clk",
+ .data = (ulong)&a80_mmc_clk_desc },
+ { }
+};
+
+U_BOOT_DRIVER(clk_sun9i_a80) = {
+ .name = "sun9i_a80_ccu",
+ .id = UCLASS_CLK,
+ .of_match = a80_ccu_ids,
+ .priv_auto = sizeof(struct ccu_priv),
+ .ops = &sunxi_clk_ops,
+ .probe = sunxi_clk_probe,
+ .bind = a80_clk_bind,
+};