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Subject[PATCH v5 11/44] clk: davinci: Add platform information for TI DA830 PSC
Date
This adds platform-specific declarations for the PSC clocks on TI DA830/
OMAP-L137/AM17XX SoCs.

Signed-off-by: David Lechner <david@lechnology.com>
---
drivers/clk/davinci/Makefile | 1 +
drivers/clk/davinci/psc-da830.c | 96 +++++++++++++++++++++++++++++++++++++++++
include/linux/clk/davinci.h | 2 +
3 files changed, 99 insertions(+)
create mode 100644 drivers/clk/davinci/psc-da830.c

diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile
index cd1bf2c..fb14c8c 100644
--- a/drivers/clk/davinci/Makefile
+++ b/drivers/clk/davinci/Makefile
@@ -10,4 +10,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DM644x) += pll-dm644x.o
obj-$(CONFIG_ARCH_DAVINCI_DM646x) += pll-dm646x.o

obj-y += psc.o
+obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o
endif
diff --git a/drivers/clk/davinci/psc-da830.c b/drivers/clk/davinci/psc-da830.c
new file mode 100644
index 0000000..193b08f
--- /dev/null
+++ b/drivers/clk/davinci/psc-da830.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PSC clock descriptions for TI DA830/OMAP-L137/AM17XX
+ *
+ * Copyright (C) 2017 David Lechner <david@lechnology.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/init.h>
+#include <linux/types.h>
+
+#include "psc.h"
+
+static const struct davinci_psc_clk_info da830_psc0_info[] __initconst = {
+ LPSC(0, 0, tpcc, 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, LPSC_ALWAYS_ENABLED),
+ LPSC(4, 0, spi0, pll0_sysclk2, 0),
+ LPSC(5, 0, mmcsd, pll0_sysclk2, 0),
+ LPSC(6, 0, aintc, pll0_sysclk4, LPSC_ALWAYS_ENABLED),
+ LPSC(7, 0, arm_rom, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(8, 0, secu_mgr, pll0_sysclk4, LPSC_ALWAYS_ENABLED),
+ LPSC(9, 0, uart0, pll0_sysclk2, 0),
+ LPSC(10, 0, scr0_ss, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(11, 0, scr1_ss, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(12, 0, scr2_ss, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(13, 0, dmax, pll0_sysclk2, LPSC_ALWAYS_ENABLED),
+ LPSC(14, 0, arm, pll0_sysclk6, LPSC_ALWAYS_ENABLED),
+ { }
+};
+
+static const struct davinci_psc_clk_info da830_psc1_info[] __initconst = {
+ 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, pll0_sysclk2, 0),
+ LPSC(8, 0, mcasp1, pll0_sysclk2, 0),
+ LPSC(9, 0, mcasp2, pll0_sysclk2, 0),
+ LPSC(10, 0, spi1, pll0_sysclk2, 0),
+ LPSC(11, 0, i2c1, pll0_sysclk4, 0),
+ LPSC(12, 0, uart1, pll0_sysclk2, 0),
+ LPSC(13, 0, uart2, pll0_sysclk2, 0),
+ LPSC(16, 0, lcdc, pll0_sysclk2, 0),
+ LPSC(17, 0, pwm, pll0_sysclk2, 0),
+ LPSC(20, 0, ecap, pll0_sysclk2, 0),
+ LPSC(21, 0, eqep, pll0_sysclk2, 0),
+ { }
+};
+
+void __init da830_psc_clk_init(void __iomem *psc0, void __iomem *psc1)
+{
+ struct clk_onecell_data *clk_data;
+
+ clk_data = davinci_psc_register_clocks(psc0, da830_psc0_info, 16);
+ if (!clk_data)
+ return;
+
+ 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_free_onecell_data(clk_data);
+
+ clk_data = davinci_psc_register_clocks(psc1, da830_psc1_info, 32);
+ if (!clk_data)
+ return;
+
+ 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], NULL, "davinci-mcasp.1");
+ clk_register_clkdev(clk_data->clks[9], NULL, "davinci-mcasp.2");
+ 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[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[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_register_clkdev(clk_data->clks[21], NULL, "eqep.0");
+ clk_register_clkdev(clk_data->clks[21], NULL, "eqep.1");
+
+ clk_free_onecell_data(clk_data);
+}
diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h
index d495de7..3ec8100 100644
--- a/include/linux/clk/davinci.h
+++ b/include/linux/clk/davinci.h
@@ -16,4 +16,6 @@ void dm365_pll_clk_init(void __iomem *pll1, void __iomem *pll2);
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);
+
#endif /* __LINUX_CLK_DAVINCI_H__ */
--
2.7.4
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