Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 85 insertions, 0 deletions

diff --git a/drivers/clk/visconti/pll-tmpv770x.c b/drivers/clk/visconti/pll-tmpv770x.c
new file mode 100644
index 0000000000..8360ccf888
--- /dev/null
+++ b/drivers/clk/visconti/pll-tmpv770x.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Toshiba Visconti PLL controller
+ *
+ * Copyright (c) 2021 TOSHIBA CORPORATION
+ * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation
+ *
+ * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/clock/toshiba,tmpv770x.h>
+
+#include "pll.h"
+
+static DEFINE_SPINLOCK(tmpv770x_pll_lock);
+
+static const struct visconti_pll_rate_table pipll0_rates[] __initconst = {
+	VISCONTI_PLL_RATE(840000000, 0x1, 0x0, 0x1, 0x54, 0x000000, 0x2, 0x1),
+	VISCONTI_PLL_RATE(780000000, 0x1, 0x0, 0x1, 0x4e, 0x000000, 0x2, 0x1),
+	VISCONTI_PLL_RATE(600000000, 0x1, 0x0, 0x1, 0x3c, 0x000000, 0x2, 0x1),
+	{ /* sentinel */ },
+};
+
+static const struct visconti_pll_rate_table piddrcpll_rates[] __initconst = {
+	VISCONTI_PLL_RATE(780000000, 0x1, 0x0, 0x1, 0x4e, 0x000000, 0x2, 0x1),
+	VISCONTI_PLL_RATE(760000000, 0x1, 0x0, 0x1, 0x4c, 0x000000, 0x2, 0x1),
+	{ /* sentinel */ },
+};
+
+static const struct visconti_pll_rate_table pivoifpll_rates[] __initconst = {
+	VISCONTI_PLL_RATE(165000000, 0x1, 0x0, 0x1, 0x42, 0x000000, 0x4, 0x2),
+	VISCONTI_PLL_RATE(148500000, 0x1, 0x1, 0x1, 0x3b, 0x666666, 0x4, 0x2),
+	VISCONTI_PLL_RATE(96000000, 0x1, 0x0, 0x1, 0x30, 0x000000, 0x5, 0x2),
+	VISCONTI_PLL_RATE(74250000, 0x1, 0x1, 0x1, 0x3b, 0x666666, 0x4, 0x4),
+	VISCONTI_PLL_RATE(54000000, 0x1, 0x0, 0x1, 0x36, 0x000000, 0x5, 0x4),
+	VISCONTI_PLL_RATE(48000000, 0x1, 0x0, 0x1, 0x30, 0x000000, 0x5, 0x4),
+	VISCONTI_PLL_RATE(35750000, 0x1, 0x1, 0x1, 0x32, 0x0ccccc, 0x7, 0x4),
+	{ /* sentinel */ },
+};
+
+static const struct visconti_pll_rate_table piimgerpll_rates[] __initconst = {
+	VISCONTI_PLL_RATE(165000000, 0x1, 0x0, 0x1, 0x42, 0x000000, 0x4, 0x2),
+	VISCONTI_PLL_RATE(96000000, 0x1, 0x0, 0x1, 0x30, 0x000000, 0x5, 0x2),
+	VISCONTI_PLL_RATE(54000000, 0x1, 0x0, 0x1, 0x36, 0x000000, 0x5, 0x4),
+	VISCONTI_PLL_RATE(48000000, 0x1, 0x0, 0x1, 0x30, 0x000000, 0x5, 0x4),
+	{ /* sentinel */ },
+};
+
+static const struct visconti_pll_info pll_info[] __initconst = {
+	{ TMPV770X_PLL_PIPLL0, "pipll0", "osc2-clk", 0x0, pipll0_rates },
+	{ TMPV770X_PLL_PIDDRCPLL, "piddrcpll", "osc2-clk", 0x500, piddrcpll_rates },
+	{ TMPV770X_PLL_PIVOIFPLL, "pivoifpll", "osc2-clk", 0x600, pivoifpll_rates },
+	{ TMPV770X_PLL_PIIMGERPLL, "piimgerpll", "osc2-clk", 0x700, piimgerpll_rates },
+};
+
+static void __init tmpv770x_setup_plls(struct device_node *np)
+{
+	struct visconti_pll_provider *ctx;
+	void __iomem *reg_base;
+
+	reg_base = of_iomap(np, 0);
+	if (!reg_base)
+		return;
+
+	ctx = visconti_init_pll(np, reg_base, TMPV770X_NR_PLL);
+	if (IS_ERR(ctx)) {
+		iounmap(reg_base);
+		return;
+	}
+
+	ctx->clk_data.hws[TMPV770X_PLL_PIPLL1] =
+		clk_hw_register_fixed_rate(NULL, "pipll1", NULL, 0, 600000000);
+	ctx->clk_data.hws[TMPV770X_PLL_PIDNNPLL] =
+		clk_hw_register_fixed_rate(NULL, "pidnnpll", NULL, 0, 500000000);
+	ctx->clk_data.hws[TMPV770X_PLL_PIETHERPLL] =
+		clk_hw_register_fixed_rate(NULL, "pietherpll", NULL, 0, 500000000);
+
+	visconti_register_plls(ctx, pll_info, ARRAY_SIZE(pll_info), &tmpv770x_pll_lock);
+}
+
+CLK_OF_DECLARE(tmpv770x_plls, "toshiba,tmpv7708-pipllct", tmpv770x_setup_plls);