diff mbox

[v5,13/44] clk: davinci: Add platform information for TI DM355 PSC

Message ID 1515377863-20358-14-git-send-email-david@lechnology.com (mailing list archive)
State New, archived
Headers show

Commit Message

David Lechner Jan. 8, 2018, 2:17 a.m. UTC 
This adds platform-specific declarations for the PSC clocks on TI
DaVinci 355 based systems.

Signed-off-by: David Lechner <david@lechnology.com>
---
 drivers/clk/davinci/Makefile    |  1 +
 drivers/clk/davinci/psc-dm355.c | 78 +++++++++++++++++++++++++++++++++++++++++
 include/linux/clk/davinci.h     |  1 +
 3 files changed, 80 insertions(+)
 create mode 100644 drivers/clk/davinci/psc-dm355.c

Comments

Sekhar Nori Jan. 16, 2018, 2:15 p.m. UTC | #1 
On Monday 08 January 2018 07:47 AM, David Lechner wrote:
> This adds platform-specific declarations for the PSC clocks on TI
> DaVinci 355 based systems.
> 
> Signed-off-by: David Lechner <david@lechnology.com>

Apart from some comments on other patches that apply to this too, I have
no new comments.

Thanks,
Sekhar
diff mbox

Patch

diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile
index aef0390..e0da5c3 100644
--- a/drivers/clk/davinci/Makefile
+++ b/drivers/clk/davinci/Makefile
@@ -12,4 +12,5 @@  obj-$(CONFIG_ARCH_DAVINCI_DM646x)	+= pll-dm646x.o
 obj-y += psc.o
 obj-$(CONFIG_ARCH_DAVINCI_DA830)	+= psc-da830.o
 obj-$(CONFIG_ARCH_DAVINCI_DA850)	+= psc-da850.o
+obj-$(CONFIG_ARCH_DAVINCI_DM355)	+= psc-dm355.o
 endif
diff --git a/drivers/clk/davinci/psc-dm355.c b/drivers/clk/davinci/psc-dm355.c
new file mode 100644
index 0000000..09075ed
--- /dev/null
+++ b/drivers/clk/davinci/psc-dm355.c
@@ -0,0 +1,78 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PSC clock descriptions for TI DaVinci DM355
+ *
+ * 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 dm355_psc_info[] __initconst = {
+	LPSC(0, 0, vpss_master, pll1_sysclk4, 0),
+	LPSC(1, 0, vpss_slave, pll1_sysclk4, 0),
+	LPSC(5, 0, timer3, pll1_aux_clk, 0),
+	LPSC(6, 0, spi1, pll1_sysclk2, 0),
+	LPSC(7, 0, mmcsd1, pll1_sysclk2, 0),
+	LPSC(8, 0, asp1, pll1_sysclk2, 0),
+	LPSC(9, 0, usb, pll1_sysclk2, 0),
+	LPSC(10, 0, pwm3, pll1_aux_clk, 0),
+	LPSC(11, 0, spi2, pll1_sysclk2, 0),
+	LPSC(12, 0, rto, pll1_aux_clk, 0),
+	LPSC(14, 0, aemif, pll1_sysclk2, 0),
+	LPSC(15, 0, mmcsd0, pll1_sysclk2, 0),
+	LPSC(17, 0, asp0, pll1_sysclk2, 0),
+	LPSC(18, 0, i2c, pll1_aux_clk, 0),
+	LPSC(19, 0, uart0, pll1_aux_clk, 0),
+	LPSC(20, 0, uart1, pll1_aux_clk, 0),
+	LPSC(21, 0, uart2, pll1_sysclk2, 0),
+	LPSC(22, 0, spi0, pll1_sysclk2, 0),
+	LPSC(23, 0, pwm0, pll1_aux_clk, 0),
+	LPSC(24, 0, pwm1, pll1_aux_clk, 0),
+	LPSC(25, 0, pwm2, pll1_aux_clk, 0),
+	LPSC(26, 0, gpio, pll1_sysclk2, 0),
+	LPSC(27, 0, timer0, pll1_aux_clk, 0),
+	LPSC(28, 0, timer1, pll1_aux_clk, 0),
+	/* REVISIT: why can't this be disabled? */
+	LPSC(29, 0, timer2, pll1_aux_clk, LPSC_ALWAYS_ENABLED),
+	LPSC(31, 0, arm, pll1_sysclk1, LPSC_ALWAYS_ENABLED),
+	LPSC(40, 0, mjcp, pll1_sysclk1, 0),
+	LPSC(41, 0, vpss_dac, pll1_sysclk3, 0),
+	{ }
+};
+
+void __init dm355_psc_clk_init(void __iomem *psc)
+{
+	struct clk_onecell_data *clk_data;
+
+	clk_data = davinci_psc_register_clocks(psc, dm355_psc_info, 42);
+	if (!clk_data)
+		return;
+
+	clk_register_clkdev(clk_data->clks[0], "master", "vpss");
+	clk_register_clkdev(clk_data->clks[1], "slave", "vpss");
+	clk_register_clkdev(clk_data->clks[6], NULL, "spi_davinci.1");
+	clk_register_clkdev(clk_data->clks[7], NULL, "dm6441-mmc.1");
+	clk_register_clkdev(clk_data->clks[8], NULL, "davinci-mcbsp.1");
+	clk_register_clkdev(clk_data->clks[9], "usb", NULL);
+	clk_register_clkdev(clk_data->clks[11], NULL, "spi_davinci.2");
+	clk_register_clkdev(clk_data->clks[14], "aemif", NULL);
+	clk_register_clkdev(clk_data->clks[15], NULL, "dm6441-mmc.0");
+	clk_register_clkdev(clk_data->clks[17], NULL, "davinci-mcbsp.0");
+	clk_register_clkdev(clk_data->clks[18], NULL, "i2c_davinci.1");
+	clk_register_clkdev(clk_data->clks[19], NULL, "serial8250.0");
+	clk_register_clkdev(clk_data->clks[20], NULL, "serial8250.1");
+	clk_register_clkdev(clk_data->clks[21], NULL, "serial8250.2");
+	clk_register_clkdev(clk_data->clks[22], NULL, "spi_davinci.0");
+	clk_register_clkdev(clk_data->clks[26], "gpio", NULL);
+	clk_register_clkdev(clk_data->clks[27], "timer0", NULL);
+	clk_register_clkdev(clk_data->clks[29], NULL, "davinci-wdt");
+	clk_register_clkdev(clk_data->clks[31], "arm", NULL);
+	clk_register_clkdev(clk_data->clks[41], "vpss_dac", NULL);
+
+	clk_free_onecell_data(clk_data);
+}
diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h
index 3d8bdfa..dc09177 100644
--- a/include/linux/clk/davinci.h
+++ b/include/linux/clk/davinci.h
@@ -18,5 +18,6 @@  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);
+void dm355_psc_clk_init(void __iomem *psc);
 
 #endif /* __LINUX_CLK_DAVINCI_H__ */