diff mbox

[v6,13/41] clk: davinci: Add platform information for TI DM355 PSC

Message ID 1516468460-4908-14-git-send-email-david@lechnology.com (mailing list archive)
State New, archived
Headers show

Commit Message

David Lechner Jan. 20, 2018, 5:13 p.m. UTC 
This adds platform-specific declarations for the PSC clocks on TI
DM355 based systems.

Signed-off-by: David Lechner <david@lechnology.com>
---

v6 changes:
- change how clkdev lookups are declared

 drivers/clk/davinci/Makefile    |  1 +
 drivers/clk/davinci/psc-dm355.c | 74 +++++++++++++++++++++++++++++++++++++++++
 include/linux/clk/davinci.h     |  1 +
 3 files changed, 76 insertions(+)
 create mode 100644 drivers/clk/davinci/psc-dm355.c

Comments

Sekhar Nori Feb. 1, 2018, 11:50 a.m. UTC | #1 
On Saturday 20 January 2018 10:43 PM, David Lechner wrote:
> +	LPSC(26, 0, gpio,        pll1_sysclk2, gpio_clkdev,        0),
> +	LPSC(27, 0, timer0,      pll1_auxclk,  timer0_clkdev,      0),
> +	LPSC(28, 0, timer1,      pll1_auxclk,  NULL,               0),
> +	/* REVISIT: why can't this be disabled? */
> +	LPSC(29, 0, timer2,      pll1_auxclk,  timer2_clkdev,
> +	     LPSC_ALWAYS_ENABLED),
> +	LPSC(31, 0, arm,         pll1_sysclk1, NULL,
> +	     LPSC_ALWAYS_ENABLED),

IMO, in this case the line break makes it more difficult to read so that
checkpatch warning should be ignored.

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..1074be4
--- /dev/null
+++ b/drivers/clk/davinci/psc-dm355.c
@@ -0,0 +1,74 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PSC clock descriptions for TI DaVinci DM355
+ *
+ * Copyright (C) 2018 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"
+
+LPSC_CLKDEV1(vpss_master_clkdev,	"master",	"vpss");
+LPSC_CLKDEV1(vpss_slave_clkdev,		"slave",	"vpss");
+LPSC_CLKDEV1(spi1_clkdev,		NULL,		"spi_davinci.1");
+LPSC_CLKDEV1(mmcsd1_clkdev,		NULL,		"dm6441-mmc.1");
+LPSC_CLKDEV1(mcbsp1_clkdev,		NULL,		"davinci-mcbsp.1");
+LPSC_CLKDEV1(usb_clkdev,		"usb",		NULL);
+LPSC_CLKDEV1(spi2_clkdev,		NULL,		"spi_davinci.2");
+LPSC_CLKDEV1(aemif_clkdev,		"aemif",	NULL);
+LPSC_CLKDEV1(mmcsd0_clkdev,		NULL,		"dm6441-mmc.0");
+LPSC_CLKDEV1(mcbsp0_clkdev,		NULL,		"davinci-mcbsp.0");
+LPSC_CLKDEV1(i2c_clkdev,		NULL,		"i2c_davinci.1");
+LPSC_CLKDEV1(uart0_clkdev,		NULL,		"serial8250.0");
+LPSC_CLKDEV1(uart1_clkdev,		NULL,		"serial8250.1");
+LPSC_CLKDEV1(uart2_clkdev,		NULL,		"serial8250.2");
+LPSC_CLKDEV1(spi0_clkdev,		NULL,		"spi_davinci.0");
+/* REVISIT: gpio-davinci.c should be modified to drop con_id */
+LPSC_CLKDEV1(gpio_clkdev,		"gpio",		NULL);
+LPSC_CLKDEV1(timer0_clkdev,		"timer0",	NULL);
+LPSC_CLKDEV1(timer2_clkdev,		NULL,		"davinci-wdt");
+LPSC_CLKDEV1(vpss_dac_clkdev,		"vpss_dac",	NULL);
+
+static const struct davinci_psc_clk_info dm355_psc_info[] __initconst = {
+	LPSC(0,  0, vpss_master, pll1_sysclk4, vpss_master_clkdev, 0),
+	LPSC(1,  0, vpss_slave,  pll1_sysclk4, vpss_slave_clkdev,  0),
+	LPSC(5,  0, timer3,      pll1_auxclk,  NULL,               0),
+	LPSC(6,  0, spi1,        pll1_sysclk2, spi1_clkdev,        0),
+	LPSC(7,  0, mmcsd1,      pll1_sysclk2, mmcsd1_clkdev,      0),
+	LPSC(8,  0, asp1,        pll1_sysclk2, NULL,               0),
+	LPSC(9,  0, usb,         pll1_sysclk2, usb_clkdev,         0),
+	LPSC(10, 0, pwm3,        pll1_auxclk,  NULL,               0),
+	LPSC(11, 0, spi2,        pll1_sysclk2, spi2_clkdev,        0),
+	LPSC(12, 0, rto,         pll1_auxclk,  NULL,               0),
+	LPSC(14, 0, aemif,       pll1_sysclk2, aemif_clkdev,       0),
+	LPSC(15, 0, mmcsd0,      pll1_sysclk2, mmcsd0_clkdev,      0),
+	LPSC(17, 0, asp0,        pll1_sysclk2, NULL,               0),
+	LPSC(18, 0, i2c,         pll1_auxclk,  i2c_clkdev,         0),
+	LPSC(19, 0, uart0,       pll1_auxclk,  uart0_clkdev,       0),
+	LPSC(20, 0, uart1,       pll1_auxclk,  uart1_clkdev,       0),
+	LPSC(21, 0, uart2,       pll1_sysclk2, uart2_clkdev,       0),
+	LPSC(22, 0, spi0,        pll1_sysclk2, spi0_clkdev,        0),
+	LPSC(23, 0, pwm0,        pll1_auxclk,  NULL,               0),
+	LPSC(24, 0, pwm1,        pll1_auxclk,  NULL,               0),
+	LPSC(25, 0, pwm2,        pll1_auxclk,  NULL,               0),
+	LPSC(26, 0, gpio,        pll1_sysclk2, gpio_clkdev,        0),
+	LPSC(27, 0, timer0,      pll1_auxclk,  timer0_clkdev,      0),
+	LPSC(28, 0, timer1,      pll1_auxclk,  NULL,               0),
+	/* REVISIT: why can't this be disabled? */
+	LPSC(29, 0, timer2,      pll1_auxclk,  timer2_clkdev,
+	     LPSC_ALWAYS_ENABLED),
+	LPSC(31, 0, arm,         pll1_sysclk1, NULL,
+	     LPSC_ALWAYS_ENABLED),
+	LPSC(40, 0, mjcp,        pll1_sysclk1, NULL,               0),
+	LPSC(41, 0, vpss_dac,    pll1_sysclk3, vpss_dac_clkdev,    0),
+	{ }
+};
+
+void __init dm355_psc_clk_init(void __iomem *psc)
+{
+	davinci_psc_register_clocks(dm355_psc_info, psc);
+}
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__ */