Eric Lee / smarc-uboot | Embedian Git Server

Commit 2d58296f3ec93b9d9ff862eb6e656af1f7cd8c47

Authored by Peng Fan 2018-10-18 20:28:26 +0800

Committed by Stefano Babic 2018-10-22 18:59:01 +0800

Exists in smarc_8mq_lf_v2020.04 and in 12 other branches

imx8: add dummy clock

This driver is mostly used to avoid build errors.
We use uclass clk driver for clk related operations.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Cc: Stefano Babic <sbabic@denx.de>

Showing 2 changed files with 48 additions and 0 deletions Side-by-side Diff

arch/arm/include/asm/arch-imx8/clock.h
arch/arm/mach-imx/imx8/clock.c

arch/arm/include/asm/arch-imx8/clock.h

Diff comments View file @ 2d58296

	1	+/* SPDX-License-Identifier: GPL-2.0+ */
	2	+/*
	3	+ * Copyright 2018 NXP
	4	+ */
	5	+
	6	+#ifndef __ASM_ARCH_IMX8_CLOCK_H__
	7	+#define __ASM_ARCH_IMX8_CLOCK_H__
	8	+
	9	+/* Mainly for compatible to imx common code. */
	10	+enum mxc_clock {
	11	+ MXC_ARM_CLK = 0,
	12	+ MXC_AHB_CLK,
	13	+ MXC_IPG_CLK,
	14	+ MXC_UART_CLK,
	15	+ MXC_CSPI_CLK,
	16	+ MXC_AXI_CLK,
	17	+ MXC_DDR_CLK,
	18	+ MXC_ESDHC_CLK,
	19	+ MXC_ESDHC2_CLK,
	20	+ MXC_ESDHC3_CLK,
	21	+ MXC_I2C_CLK,
	22	+ MXC_FEC_CLK,
	23	+};
	24	+
	25	+u32 mxc_get_clock(enum mxc_clock clk);
	26	+
	27	+#endif /* __ASM_ARCH_IMX8_CLOCK_H__ */

arch/arm/mach-imx/imx8/clock.c

Diff comments View file @ 2d58296

	1	+// SPDX-License-Identifier: GPL-2.0+
	2	+/*
	3	+ * Copyright 2018 NXP
	4	+ */
	5	+
	6	+#include <common.h>
	7	+#include <linux/errno.h>
	8	+#include <asm/arch/clock.h>
	9	+
	10	+DECLARE_GLOBAL_DATA_PTR;
	11	+
	12	+u32 mxc_get_clock(enum mxc_clock clk)
	13	+{
	14	+ switch (clk) {
	15	+ default:
	16	+ printf("Unsupported mxc_clock %d\n", clk);
	17	+ break;
	18	+ }
	19	+
	20	+ return 0;
	21	+}