linux-kernel - [PATCH v5 07/44] clk: davinci: Add platform information for TI DM644x PLL

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Message-Id: <1515377863-20358-8-git-send-email-david@lechnology.com>
Date:   Sun,  7 Jan 2018 20:17:06 -0600
From:   David Lechner <david@...hnology.com>
To:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sekhar Nori <nsekhar@...com>,
        Kevin Hilman <khilman@...nel.org>,
        Adam Ford <aford173@...il.com>, linux-kernel@...r.kernel.org,
        David Lechner <david@...hnology.com>
Subject: [PATCH v5 07/44] clk: davinci: Add platform information for TI DM644x PLL

This adds platform-specific declarations for the PLL clocks on TI
DaVinci 644x based systems.

Signed-off-by: David Lechner <david@...hnology.com>
---
 drivers/clk/davinci/Makefile     |  1 +
 drivers/clk/davinci/pll-dm644x.c | 41 ++++++++++++++++++++++++++++++++++++++++
 include/linux/clk/davinci.h      |  1 +
 3 files changed, 43 insertions(+)
 create mode 100644 drivers/clk/davinci/pll-dm644x.c

diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile
index 353aa02..59d8ab6 100644
--- a/drivers/clk/davinci/Makefile
+++ b/drivers/clk/davinci/Makefile
@@ -6,4 +6,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DA830)	+= pll-da830.o
 obj-$(CONFIG_ARCH_DAVINCI_DA850)	+= pll-da850.o
 obj-$(CONFIG_ARCH_DAVINCI_DM355)	+= pll-dm355.o
 obj-$(CONFIG_ARCH_DAVINCI_DM365)	+= pll-dm365.o
+obj-$(CONFIG_ARCH_DAVINCI_DM644x)	+= pll-dm644x.o
 endif
diff --git a/drivers/clk/davinci/pll-dm644x.c b/drivers/clk/davinci/pll-dm644x.c
new file mode 100644
index 0000000..b0d0373
--- /dev/null
+++ b/drivers/clk/davinci/pll-dm644x.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PLL clock descriptions for TI DM644X
+ *
+ * Copyright (C) 2017 David Lechner <david@...hnology.com>
+ */
+
+#include <linux/init.h>
+#include <linux/types.h>
+
+#include "pll.h"
+
+static const struct davinci_pll_divclk_info dm644x_pll1_divclk_info[] __initconst = {
+	DIVCLK(1, pll1_sysclk1, pll1, DIVCLK_FIXED_DIV),
+	DIVCLK(2, pll1_sysclk2, pll1, DIVCLK_FIXED_DIV),
+	DIVCLK(3, pll1_sysclk3, pll1, DIVCLK_FIXED_DIV),
+	DIVCLK(5, pll1_sysclk5, pll1, DIVCLK_FIXED_DIV),
+	{ }
+};
+
+static const struct davinci_pll_divclk_info dm644x_pll2_divclk_info[] __initconst = {
+	DIVCLK(1, pll2_sysclk1, pll2, 0),
+	DIVCLK(2, pll2_sysclk2, pll2, 0),
+	{ }
+};
+
+void __init dm644x_pll_clk_init(void __iomem *pll1, void __iomem *pll2)
+{
+	const struct davinci_pll_divclk_info *info;
+
+	davinci_pll_clk_register("pll1", "ref_clk", pll1);
+	for (info = dm644x_pll1_divclk_info; info->name; info++)
+		davinci_pll_divclk_register(info, pll1);
+	davinci_pll_aux_clk_register("pll1_aux_clk", "ref_clk", pll1);
+	davinci_pll_bpdiv_clk_register("pll1_sysclkbp", "ref_clk", pll1);
+
+	davinci_pll_clk_register("pll2", "ref_clk", pll2);
+	for (info = dm644x_pll2_divclk_info; info->name; info++)
+		davinci_pll_divclk_register(info, pll2);
+	davinci_pll_bpdiv_clk_register("pll2_sysclkbp", "ref_clk", pll2);
+}
diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h
index 5bf60a7..535990a 100644
--- a/include/linux/clk/davinci.h
+++ b/include/linux/clk/davinci.h
@@ -13,5 +13,6 @@ void da830_pll_clk_init(void __iomem *pll);
 void da850_pll_clk_init(void __iomem *pll0, void __iomem *pll1);
 void dm355_pll_clk_init(void __iomem *pll1, void __iomem *pll2);
 void dm365_pll_clk_init(void __iomem *pll1, void __iomem *pll2);
+void dm644x_pll_clk_init(void __iomem *pll1, void __iomem *pll2);
 
 #endif /* __LINUX_CLK_DAVINCI_H__ */
-- 
2.7.4