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Subject[PATCH v5 12/44] clk: davinci: Add platform information for TI DA850 PSC
Date
This adds platform-specific declarations for the PSC clocks on TI DA850/
OMAP-L138/AM18XX SoCs.

Signed-off-by: David Lechner <david@lechnology.com>
---
drivers/clk/davinci/Makefile | 1 +
drivers/clk/davinci/psc-da850.c | 117 ++++++++++++++++++++++++++++++++++++++++
include/linux/clk/davinci.h | 1 +
3 files changed, 119 insertions(+)
create mode 100644 drivers/clk/davinci/psc-da850.c

diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile
index fb14c8c..aef0390 100644
--- a/drivers/clk/davinci/Makefile
+++ b/drivers/clk/davinci/Makefile
@@ -11,4 +11,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DM646x) += pll-dm646x.o

obj-y += psc.o
obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o
+obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o
endif
diff --git a/drivers/clk/davinci/psc-da850.c b/drivers/clk/davinci/psc-da850.c
new file mode 100644
index 0000000..3b4583d
--- /dev/null
+++ b/drivers/clk/davinci/psc-da850.c
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PSC clock descriptions for TI DA850/OMAP-L138/AM18XX
+ *
+ * Copyright (C) 2017 David Lechner <david@lechnology.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/types.h>
+
+#include "psc.h"
+
+static const struct davinci_psc_clk_info da850_psc0_info[] __initconst = {
+ LPSC(0, 0, tpcc0, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(1, 0, tptc0, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(2, 0, tptc1, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(3, 0, aemif, pll0_sysclk3, 0),
+ LPSC(4, 0, spi0, pll0_sysclk2, 0),
+ LPSC(5, 0, mmcsd0, pll0_sysclk2, 0),
+ LPSC(6, 0, aintc, pll0_sysclk4, LPSC_ALWAYS_ENABLED),
+ LPSC(7, 0, arm_rom, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(9, 0, uart0, pll0_sysclk2, 0),
+ LPSC(13, 0, pruss, pll0_sysclk2, 0),
+ LPSC(14, 0, arm, pll0_sysclk6, LPSC_ALWAYS_ENABLED),
+ LPSC(15, 1, dsp, pll0_sysclk1, LPSC_FORCE | LPSC_LOCAL_RESET),
+ { }
+};
+
+static const struct davinci_psc_clk_info da850_psc1_info[] __initconst = {
+ LPSC(0, 0, tpcc1, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(1, 0, usb0, pll0_sysclk2, 0),
+ LPSC(2, 0, usb1, pll0_sysclk4, 0),
+ LPSC(3, 0, gpio, pll0_sysclk4, 0),
+ LPSC(5, 0, emac, pll0_sysclk4, 0),
+ LPSC(6, 0, emif3, pll0_sysclk5, LPSC_ALWAYS_ENABLED),
+ LPSC(7, 0, mcasp0, async3, 0),
+ LPSC(8, 0, sata, pll0_sysclk2, LPSC_FORCE),
+ LPSC(9, 0, vpif, pll0_sysclk2, 0),
+ LPSC(10, 0, spi1, async3, 0),
+ LPSC(11, 0, i2c1, pll0_sysclk4, 0),
+ LPSC(12, 0, uart1, async3, 0),
+ LPSC(13, 0, uart2, async3, 0),
+ LPSC(14, 0, mcbsp0, async3, 0),
+ LPSC(15, 0, mcbsp1, async3, 0),
+ LPSC(16, 0, lcdc, pll0_sysclk2, 0),
+ LPSC(17, 0, ehrpwm, async3, 0),
+ LPSC(18, 0, mmcsd1, pll0_sysclk2, 0),
+ LPSC(20, 0, ecap, async3, 0),
+ LPSC(21, 0, tptc2, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ { }
+};
+
+void __init da850_psc_clk_init(void __iomem *psc0, void __iomem *psc1)
+{
+ struct clk_onecell_data *clk_data;
+
+ clk_data = davinci_psc_register_clocks(psc0, da850_psc0_info, 16);
+ if (!clk_data)
+ return;
+
+ clk_register_clkdev(clk_data->clks[3], NULL, "ti-aemif");
+ clk_register_clkdev(clk_data->clks[3], "aemif", "davinci-nand.0");
+ clk_register_clkdev(clk_data->clks[4], NULL, "spi_davinci.0");
+ clk_register_clkdev(clk_data->clks[5], NULL, "da830-mmc.0");
+ clk_register_clkdev(clk_data->clks[9], NULL, "serial8250.0");
+ clk_register_clkdev(clk_data->clks[14], "arm", NULL);
+ clk_register_clkdev(clk_data->clks[15], NULL, "davinci-rproc.0");
+
+ clk_free_onecell_data(clk_data);
+
+ clk_data = davinci_psc_register_clocks(psc1, da850_psc1_info, 32);
+ if (!clk_data)
+ return;
+
+ clk_register_clkdev(clk_data->clks[1], "usb20_psc_clk", NULL);
+ clk_register_clkdev(clk_data->clks[1], NULL, "musb-da8xx");
+ clk_register_clkdev(clk_data->clks[1], NULL, "cppi41-dmaengine");
+ clk_register_clkdev(clk_data->clks[2], NULL, "ohci-da8xx");
+ clk_register_clkdev(clk_data->clks[3], "gpio", NULL);
+ clk_register_clkdev(clk_data->clks[5], NULL, "davinci_emac.1");
+ clk_register_clkdev(clk_data->clks[5], "fck", "davinci_mdio.0");
+ clk_register_clkdev(clk_data->clks[7], NULL, "davinci-mcasp.0");
+ clk_register_clkdev(clk_data->clks[8], "fck", "ahci_da850");
+ clk_register_clkdev(clk_data->clks[9], NULL, "vpif");
+ clk_register_clkdev(clk_data->clks[10], NULL, "spi_davinci.1");
+ clk_register_clkdev(clk_data->clks[11], NULL, "i2c_davinci.2");
+ clk_register_clkdev(clk_data->clks[12], NULL, "serial8250.1");
+ clk_register_clkdev(clk_data->clks[13], NULL, "serial8250.2");
+ clk_register_clkdev(clk_data->clks[14], NULL, "davinci-mcbsp.0");
+ clk_register_clkdev(clk_data->clks[15], NULL, "davinci-mcbsp.1");
+ clk_register_clkdev(clk_data->clks[16], "fck", "da8xx_lcdc.0");
+ clk_register_clkdev(clk_data->clks[17], "fck", "ehrpwm.0");
+ clk_register_clkdev(clk_data->clks[17], "fck", "ehrpwm.1");
+ clk_register_clkdev(clk_data->clks[18], NULL, "da830-mmc.1");
+ clk_register_clkdev(clk_data->clks[20], "fck", "ecap.0");
+ clk_register_clkdev(clk_data->clks[20], "fck", "ecap.1");
+ clk_register_clkdev(clk_data->clks[20], "fck", "ecap.2");
+
+ clk_free_onecell_data(clk_data);
+}
+
+#ifdef CONFIG_OF
+static void __init of_da850_psc0_clk_init(struct device_node *node)
+{
+ of_davinci_psc_clk_init(node, da850_psc0_info, 16);
+}
+CLK_OF_DECLARE(da850_psc0_clk, "ti,da850-psc0", of_da850_psc0_clk_init);
+
+static void __init of_da850_psc1_clk_init(struct device_node *node)
+{
+ of_davinci_psc_clk_init(node, da850_psc1_info, 32);
+}
+CLK_OF_DECLARE(da850_psc1_clk, "ti,da850-psc1", of_da850_psc1_clk_init);
+#endif
diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h
index 3ec8100..3d8bdfa 100644
--- a/include/linux/clk/davinci.h
+++ b/include/linux/clk/davinci.h
@@ -17,5 +17,6 @@ void dm644x_pll_clk_init(void __iomem *pll1, void __iomem *pll2);
void dm646x_pll_clk_init(void __iomem *pll1, void __iomem *pll2);

void da830_psc_clk_init(void __iomem *psc0, void __iomem *psc1);
+void da850_psc_clk_init(void __iomem *psc0, void __iomem *psc1);

#endif /* __LINUX_CLK_DAVINCI_H__ */
--
2.7.4
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