clk: davinci: Add platform information for TI DM365 PSC

This adds platform-specific declarations for the PSC clocks on TI
DM365 based systems.

Signed-off-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile
index e0da5c3859e29ca38525e2447752f11e2216f91e..78dc1eba4058e4e004eb33b6842d4e2c0bcf27ec 100644 (file)
--- a/drivers/clk/davinci/Makefile
+++ b/drivers/clk/davinci/Makefile
@@ -13,4 +13,5 @@ obj-y += psc.o
 obj-$(CONFIG_ARCH_DAVINCI_DA830)       += psc-da830.o
 obj-$(CONFIG_ARCH_DAVINCI_DA850)       += psc-da850.o
 obj-$(CONFIG_ARCH_DAVINCI_DM355)       += psc-dm355.o
+obj-$(CONFIG_ARCH_DAVINCI_DM365)       += psc-dm365.o
 endif

diff --git a/drivers/clk/davinci/psc-dm365.c b/drivers/clk/davinci/psc-dm365.c
new file mode 100644 (file)
index 0000000..3ad915f
--- /dev/null
+++ b/drivers/clk/davinci/psc-dm365.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PSC clock descriptions for TI DaVinci DM365
+ *
+ * Copyright (C) 2018 David Lechner <david@lechnology.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+#include "psc.h"
+
+LPSC_CLKDEV1(vpss_slave_clkdev,                "slave",        "vpss");
+LPSC_CLKDEV1(spi1_clkdev,              NULL,           "spi_davinci.1");
+LPSC_CLKDEV1(mmcsd1_clkdev,            NULL,           "da830-mmc.1");
+LPSC_CLKDEV1(asp0_clkdev,              NULL,           "davinci-mcbsp");
+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,           "da830-mmc.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(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(spi3_clkdev,              NULL,           "spi_davinci.3");
+LPSC_CLKDEV1(spi4_clkdev,              NULL,           "spi_davinci.4");
+LPSC_CLKDEV2(emac_clkdev,              NULL,           "davinci_emac.1",
+                                       "fck",          "davinci_mdio.0");
+LPSC_CLKDEV1(voice_codec_clkdev,       NULL,           "davinci_voicecodec");
+LPSC_CLKDEV1(vpss_dac_clkdev,          "vpss_dac",     NULL);
+LPSC_CLKDEV1(vpss_master_clkdev,       "master",       "vpss");
+
+static const struct davinci_lpsc_clk_info dm365_psc_info[] = {
+       LPSC(1,  0, vpss_slave,  pll1_sysclk5, vpss_slave_clkdev,  0),
+       LPSC(5,  0, timer3,      pll1_auxclk,  NULL,               0),
+       LPSC(6,  0, spi1,        pll1_sysclk4, spi1_clkdev,        0),
+       LPSC(7,  0, mmcsd1,      pll1_sysclk4, mmcsd1_clkdev,      0),
+       LPSC(8,  0, asp0,        pll1_sysclk4, asp0_clkdev,        0),
+       LPSC(9,  0, usb,         pll1_auxclk,  usb_clkdev,         0),
+       LPSC(10, 0, pwm3,        pll1_auxclk,  NULL,               0),
+       LPSC(11, 0, spi2,        pll1_sysclk4, spi2_clkdev,        0),
+       LPSC(12, 0, rto,         pll1_sysclk4, NULL,               0),
+       LPSC(14, 0, aemif,       pll1_sysclk4, aemif_clkdev,       0),
+       LPSC(15, 0, mmcsd0,      pll1_sysclk8, mmcsd0_clkdev,      0),
+       LPSC(18, 0, i2c,         pll1_auxclk,  i2c_clkdev,         0),
+       LPSC(19, 0, uart0,       pll1_auxclk,  uart0_clkdev,       0),
+       LPSC(20, 0, uart1,       pll1_sysclk4, uart1_clkdev,       0),
+       LPSC(22, 0, spi0,        pll1_sysclk4, 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_sysclk4, gpio_clkdev,        0),
+       LPSC(27, 0, timer0,      pll1_auxclk,  timer0_clkdev,      LPSC_ALWAYS_ENABLED),
+       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,         pll2_sysclk2, NULL,               LPSC_ALWAYS_ENABLED),
+       LPSC(38, 0, spi3,        pll1_sysclk4, spi3_clkdev,        0),
+       LPSC(39, 0, spi4,        pll1_auxclk,  spi4_clkdev,        0),
+       LPSC(40, 0, emac,        pll2_sysclk4, emac_clkdev,        0),
+       LPSC(44, 1, voice_codec, pll1_sysclk3, voice_codec_clkdev, 0),
+       LPSC(46, 1, vpss_dac,    pll1_sysclk3, vpss_dac_clkdev,    0),
+       LPSC(47, 0, vpss_master, pll1_sysclk5, vpss_master_clkdev, 0),
+       LPSC(50, 0, mjcp,        pll1_sysclk3, NULL,               0),
+       { }
+};
+
+static int dm365_psc_init(struct device *dev, void __iomem *base)
+{
+       return davinci_psc_register_clocks(dev, dm365_psc_info, 52, base);
+}
+
+static struct clk_bulk_data dm365_psc_parent_clks[] = {
+       { .id = "pll1_sysclk1" },
+       { .id = "pll1_sysclk3" },
+       { .id = "pll1_sysclk4" },
+       { .id = "pll1_sysclk5" },
+       { .id = "pll1_sysclk8" },
+       { .id = "pll2_sysclk2" },
+       { .id = "pll2_sysclk4" },
+       { .id = "pll1_auxclk"  },
+};
+
+const struct davinci_psc_init_data dm365_psc_init_data = {
+       .parent_clks            = dm365_psc_parent_clks,
+       .num_parent_clks        = ARRAY_SIZE(dm365_psc_parent_clks),
+       .psc_init               = &dm365_psc_init,
+};

diff --git a/drivers/clk/davinci/psc.c b/drivers/clk/davinci/psc.c
index 0825b62c1f3d5095ab5795d754cb73252ff4c7fe..7bcf31622706ad4822a5fafac97054bd6a0e5315 100644 (file)
--- a/drivers/clk/davinci/psc.c
+++ b/drivers/clk/davinci/psc.c
@@ -493,6 +493,7 @@ static const struct platform_device_id davinci_psc_id_table[] = {
        { .name = "da850-psc0", .driver_data = (kernel_ulong_t)&da850_psc0_init_data },
        { .name = "da850-psc1", .driver_data = (kernel_ulong_t)&da850_psc1_init_data },
        { .name = "dm355-psc",  .driver_data = (kernel_ulong_t)&dm355_psc_init_data  },
+       { .name = "dm365-psc",  .driver_data = (kernel_ulong_t)&dm365_psc_init_data  },
        { }
 };
 

diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h
index d672e72ec227eaf438ac3e73b37fe6f17f3f48fe..4f6210e8606fd15a6dc8c63d7f44934d84bda2e5 100644 (file)
--- a/drivers/clk/davinci/psc.h
+++ b/drivers/clk/davinci/psc.h
@@ -101,5 +101,6 @@ extern const struct davinci_psc_init_data da850_psc1_init_data;
 extern const struct davinci_psc_init_data of_da850_psc0_init_data;
 extern const struct davinci_psc_init_data of_da850_psc1_init_data;
 extern const struct davinci_psc_init_data dm355_psc_init_data;
+extern const struct davinci_psc_init_data dm365_psc_init_data;
 
 #endif /* __CLK_DAVINCI_PSC_H__ */