Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mach-imx6sl.c b/arch/arm/mach-imx/mach-imx6sl.c
new file mode 100644
index 000000000..f6e87363d
--- /dev/null
+++ b/arch/arm/mach-imx/mach-imx6sl.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ */
+
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <linux/mfd/syscon.h>
+#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
+#include <linux/regmap.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "common.h"
+#include "cpuidle.h"
+#include "hardware.h"
+
+static void __init imx6sl_fec_init(void)
+{
+	struct regmap *gpr;
+
+	/* set FEC clock from internal PLL clock source */
+	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sl-iomuxc-gpr");
+	if (!IS_ERR(gpr)) {
+		regmap_update_bits(gpr, IOMUXC_GPR1,
+			IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, 0);
+		regmap_update_bits(gpr, IOMUXC_GPR1,
+			IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, 0);
+	} else {
+		pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n");
+	}
+}
+
+static void __init imx6sl_init_late(void)
+{
+	/* imx6sl reuses imx6q cpufreq driver */
+	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
+		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
+
+	if (IS_ENABLED(CONFIG_SOC_IMX6SL) && cpu_is_imx6sl())
+		imx6sl_cpuidle_init();
+	else if (IS_ENABLED(CONFIG_SOC_IMX6SLL))
+		imx6sx_cpuidle_init();
+}
+
+static void __init imx6sl_init_machine(void)
+{
+	of_platform_default_populate(NULL, NULL, NULL);
+
+	if (cpu_is_imx6sl())
+		imx6sl_fec_init();
+	imx_anatop_init();
+	imx6sl_pm_init();
+}
+
+static void __init imx6sl_init_irq(void)
+{
+	imx_gpc_check_dt();
+	imx_init_revision_from_anatop();
+	imx_init_l2cache();
+	imx_src_init();
+	irqchip_init();
+	if (cpu_is_imx6sl())
+		imx6_pm_ccm_init("fsl,imx6sl-ccm");
+	else
+		imx6_pm_ccm_init("fsl,imx6sll-ccm");
+}
+
+static const char * const imx6sl_dt_compat[] __initconst = {
+	"fsl,imx6sl",
+	"fsl,imx6sll",
+	NULL,
+};
+
+DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
+	.l2c_aux_val 	= 0,
+	.l2c_aux_mask	= ~0,
+	.init_irq	= imx6sl_init_irq,
+	.init_machine	= imx6sl_init_machine,
+	.init_late      = imx6sl_init_late,
+	.dt_compat	= imx6sl_dt_compat,
+MACHINE_END