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authorArnd Bergmann <arnd@arndb.de>2022-09-20 01:16:17 +0300
committerArnd Bergmann <arnd@arndb.de>2023-01-12 12:53:12 +0300
commitdec85a95167a98a4e237df11e234eed8ee718e78 (patch)
treea4651f4b1aab4cce3821f58fd657ba97a69b4bc7 /arch/arm/mach-davinci/da850.c
parentc3848db316d51dcc0fb10554151b1e7e8ff8c3e2 (diff)
downloadlinux-dec85a95167a98a4e237df11e234eed8ee718e78.tar.xz
ARM: davinci: clean up platform support
With the board file support gone, and the platform using DT only, a lot of the remaining code is no longer referenced and can be removed. Technically, the DT file only references DA850, but since that is very similar to DA830, I'm leaving the latter. Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-davinci/da850.c')
-rw-r--r--arch/arm/mach-davinci/da850.c400
1 files changed, 1 insertions, 399 deletions
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 635e88daf5dd..287dd987908e 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -10,19 +10,10 @@
* 2009 (c) MontaVista Software, Inc.
*/
-#include <linux/clk-provider.h>
-#include <linux/clk/davinci.h>
-#include <linux/clkdev.h>
-#include <linux/cpufreq.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/io.h>
-#include <linux/irqchip/irq-davinci-cp-intc.h>
#include <linux/mfd/da8xx-cfgchip.h>
-#include <linux/platform_data/clk-da8xx-cfgchip.h>
-#include <linux/platform_data/clk-davinci-pll.h>
-#include <linux/platform_data/davinci-cpufreq.h>
-#include <linux/platform_data/gpio-davinci.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
@@ -33,6 +24,7 @@
#include "common.h"
#include "cputype.h"
#include "da8xx.h"
+#include "hardware.h"
#include "pm.h"
#include "irqs.h"
#include "mux.h"
@@ -258,45 +250,6 @@ static const struct mux_config da850_pins[] = {
#endif
};
-const short da850_i2c0_pins[] __initconst = {
- DA850_I2C0_SDA, DA850_I2C0_SCL,
- -1
-};
-
-const short da850_i2c1_pins[] __initconst = {
- DA850_I2C1_SCL, DA850_I2C1_SDA,
- -1
-};
-
-const short da850_lcdcntl_pins[] __initconst = {
- DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3,
- DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7,
- DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11,
- DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15,
- DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS,
- -1
-};
-
-const short da850_vpif_capture_pins[] __initconst = {
- DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3,
- DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7,
- DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11,
- DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15,
- DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2,
- DA850_VPIF_CLKIN3,
- -1
-};
-
-const short da850_vpif_display_pins[] __initconst = {
- DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3,
- DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7,
- DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10,
- DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13,
- DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2,
- DA850_VPIF_CLKO3,
- -1
-};
-
static struct map_desc da850_io_desc[] = {
{
.virtual = IO_VIRT,
@@ -330,204 +283,9 @@ static struct davinci_id da850_ids[] = {
},
};
-/*
- * Bottom half of timer 0 is used for clock_event, top half for
- * clocksource.
- */
-static const struct davinci_timer_cfg da850_timer_cfg = {
- .reg = DEFINE_RES_IO(DA8XX_TIMER64P0_BASE, SZ_4K),
- .irq = {
- DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0)),
- DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0)),
- },
-};
-
-#ifdef CONFIG_CPU_FREQ
-/*
- * Notes:
- * According to the TRM, minimum PLLM results in maximum power savings.
- * The OPP definitions below should keep the PLLM as low as possible.
- *
- * The output of the PLLM must be between 300 to 600 MHz.
- */
-struct da850_opp {
- unsigned int freq; /* in KHz */
- unsigned int prediv;
- unsigned int mult;
- unsigned int postdiv;
- unsigned int cvdd_min; /* in uV */
- unsigned int cvdd_max; /* in uV */
-};
-
-static const struct da850_opp da850_opp_456 = {
- .freq = 456000,
- .prediv = 1,
- .mult = 19,
- .postdiv = 1,
- .cvdd_min = 1300000,
- .cvdd_max = 1350000,
-};
-
-static const struct da850_opp da850_opp_408 = {
- .freq = 408000,
- .prediv = 1,
- .mult = 17,
- .postdiv = 1,
- .cvdd_min = 1300000,
- .cvdd_max = 1350000,
-};
-
-static const struct da850_opp da850_opp_372 = {
- .freq = 372000,
- .prediv = 2,
- .mult = 31,
- .postdiv = 1,
- .cvdd_min = 1200000,
- .cvdd_max = 1320000,
-};
-
-static const struct da850_opp da850_opp_300 = {
- .freq = 300000,
- .prediv = 1,
- .mult = 25,
- .postdiv = 2,
- .cvdd_min = 1200000,
- .cvdd_max = 1320000,
-};
-
-static const struct da850_opp da850_opp_200 = {
- .freq = 200000,
- .prediv = 1,
- .mult = 25,
- .postdiv = 3,
- .cvdd_min = 1100000,
- .cvdd_max = 1160000,
-};
-
-static const struct da850_opp da850_opp_96 = {
- .freq = 96000,
- .prediv = 1,
- .mult = 20,
- .postdiv = 5,
- .cvdd_min = 1000000,
- .cvdd_max = 1050000,
-};
-
-#define OPP(freq) \
- { \
- .driver_data = (unsigned int) &da850_opp_##freq, \
- .frequency = freq * 1000, \
- }
-
-static struct cpufreq_frequency_table da850_freq_table[] = {
- OPP(456),
- OPP(408),
- OPP(372),
- OPP(300),
- OPP(200),
- OPP(96),
- {
- .driver_data = 0,
- .frequency = CPUFREQ_TABLE_END,
- },
-};
-
-#ifdef CONFIG_REGULATOR
-static int da850_set_voltage(unsigned int index);
-static int da850_regulator_init(void);
-#endif
-
-static struct davinci_cpufreq_config cpufreq_info = {
- .freq_table = da850_freq_table,
-#ifdef CONFIG_REGULATOR
- .init = da850_regulator_init,
- .set_voltage = da850_set_voltage,
-#endif
-};
-
-#ifdef CONFIG_REGULATOR
-static struct regulator *cvdd;
-
-static int da850_set_voltage(unsigned int index)
-{
- struct da850_opp *opp;
-
- if (!cvdd)
- return -ENODEV;
-
- opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data;
-
- return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max);
-}
-
-static int da850_regulator_init(void)
-{
- cvdd = regulator_get(NULL, "cvdd");
- if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;"
- " voltage scaling unsupported\n")) {
- return PTR_ERR(cvdd);
- }
-
- return 0;
-}
-#endif
-
-static struct platform_device da850_cpufreq_device = {
- .name = "cpufreq-davinci",
- .dev = {
- .platform_data = &cpufreq_info,
- },
- .id = -1,
-};
-
-unsigned int da850_max_speed = 300000;
-
-int da850_register_cpufreq(char *async_clk)
-{
- int i;
-
- /* cpufreq driver can help keep an "async" clock constant */
- if (async_clk)
- clk_add_alias("async", da850_cpufreq_device.name,
- async_clk, NULL);
- for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) {
- if (da850_freq_table[i].frequency <= da850_max_speed) {
- cpufreq_info.freq_table = &da850_freq_table[i];
- break;
- }
- }
-
- return platform_device_register(&da850_cpufreq_device);
-}
-#else
-int __init da850_register_cpufreq(char *async_clk)
-{
- return 0;
-}
-#endif
-
/* VPIF resource, platform data */
static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);
-static struct resource da850_vpif_resource[] = {
- {
- .start = DA8XX_VPIF_BASE,
- .end = DA8XX_VPIF_BASE + 0xfff,
- .flags = IORESOURCE_MEM,
- }
-};
-
-static struct platform_device da850_vpif_dev = {
- .name = "vpif",
- .id = -1,
- .dev = {
- .dma_mask = &da850_vpif_dma_mask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = da850_vpif_resource,
- .num_resources = ARRAY_SIZE(da850_vpif_resource),
-};
-
static struct resource da850_vpif_display_resource[] = {
{
.start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
@@ -571,11 +329,6 @@ static struct platform_device da850_vpif_capture_dev = {
.num_resources = ARRAY_SIZE(da850_vpif_capture_resource),
};
-int __init da850_register_vpif(void)
-{
- return platform_device_register(&da850_vpif_dev);
-}
-
int __init da850_register_vpif_display(struct vpif_display_config
*display_config)
{
@@ -590,17 +343,6 @@ int __init da850_register_vpif_capture(struct vpif_capture_config
return platform_device_register(&da850_vpif_capture_dev);
}
-static struct davinci_gpio_platform_data da850_gpio_platform_data = {
- .no_auto_base = true,
- .base = 0,
- .ngpio = 144,
-};
-
-int __init da850_register_gpio(void)
-{
- return da8xx_register_gpio(&da850_gpio_platform_data);
-}
-
static const struct davinci_soc_info davinci_soc_info_da850 = {
.io_desc = da850_io_desc,
.io_desc_num = ARRAY_SIZE(da850_io_desc),
@@ -610,7 +352,6 @@ static const struct davinci_soc_info davinci_soc_info_da850 = {
.pinmux_base = DA8XX_SYSCFG0_BASE + 0x120,
.pinmux_pins = da850_pins,
.pinmux_pins_num = ARRAY_SIZE(da850_pins),
- .emac_pdata = &da8xx_emac_pdata,
.sram_dma = DA8XX_SHARED_RAM_BASE,
.sram_len = SZ_128K,
};
@@ -626,142 +367,3 @@ void __init da850_init(void)
da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module");
}
-
-static const struct davinci_cp_intc_config da850_cp_intc_config = {
- .reg = {
- .start = DA8XX_CP_INTC_BASE,
- .end = DA8XX_CP_INTC_BASE + SZ_8K - 1,
- .flags = IORESOURCE_MEM,
- },
- .num_irqs = DA850_N_CP_INTC_IRQ,
-};
-
-void __init da850_init_irq(void)
-{
- davinci_cp_intc_init(&da850_cp_intc_config);
-}
-
-void __init da850_init_time(void)
-{
- void __iomem *pll0;
- struct regmap *cfgchip;
- struct clk *clk;
- int rv;
-
- clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DA850_REF_FREQ);
-
- pll0 = ioremap(DA8XX_PLL0_BASE, SZ_4K);
- cfgchip = da8xx_get_cfgchip();
-
- da850_pll0_init(NULL, pll0, cfgchip);
-
- clk = clk_get(NULL, "timer0");
- if (WARN_ON(IS_ERR(clk))) {
- pr_err("Unable to get the timer clock\n");
- return;
- }
-
- rv = davinci_timer_register(clk, &da850_timer_cfg);
- WARN(rv, "Unable to register the timer: %d\n", rv);
-}
-
-static struct resource da850_pll1_resources[] = {
- {
- .start = DA850_PLL1_BASE,
- .end = DA850_PLL1_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct davinci_pll_platform_data da850_pll1_pdata;
-
-static struct platform_device da850_pll1_device = {
- .name = "da850-pll1",
- .id = -1,
- .resource = da850_pll1_resources,
- .num_resources = ARRAY_SIZE(da850_pll1_resources),
- .dev = {
- .platform_data = &da850_pll1_pdata,
- },
-};
-
-static struct resource da850_psc0_resources[] = {
- {
- .start = DA8XX_PSC0_BASE,
- .end = DA8XX_PSC0_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device da850_psc0_device = {
- .name = "da850-psc0",
- .id = -1,
- .resource = da850_psc0_resources,
- .num_resources = ARRAY_SIZE(da850_psc0_resources),
-};
-
-static struct resource da850_psc1_resources[] = {
- {
- .start = DA8XX_PSC1_BASE,
- .end = DA8XX_PSC1_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device da850_psc1_device = {
- .name = "da850-psc1",
- .id = -1,
- .resource = da850_psc1_resources,
- .num_resources = ARRAY_SIZE(da850_psc1_resources),
-};
-
-static struct da8xx_cfgchip_clk_platform_data da850_async1_pdata;
-
-static struct platform_device da850_async1_clksrc_device = {
- .name = "da850-async1-clksrc",
- .id = -1,
- .dev = {
- .platform_data = &da850_async1_pdata,
- },
-};
-
-static struct da8xx_cfgchip_clk_platform_data da850_async3_pdata;
-
-static struct platform_device da850_async3_clksrc_device = {
- .name = "da850-async3-clksrc",
- .id = -1,
- .dev = {
- .platform_data = &da850_async3_pdata,
- },
-};
-
-static struct da8xx_cfgchip_clk_platform_data da850_tbclksync_pdata;
-
-static struct platform_device da850_tbclksync_device = {
- .name = "da830-tbclksync",
- .id = -1,
- .dev = {
- .platform_data = &da850_tbclksync_pdata,
- },
-};
-
-void __init da850_register_clocks(void)
-{
- /* PLL0 is registered in da850_init_time() */
-
- da850_pll1_pdata.cfgchip = da8xx_get_cfgchip();
- platform_device_register(&da850_pll1_device);
-
- da850_async1_pdata.cfgchip = da8xx_get_cfgchip();
- platform_device_register(&da850_async1_clksrc_device);
-
- da850_async3_pdata.cfgchip = da8xx_get_cfgchip();
- platform_device_register(&da850_async3_clksrc_device);
-
- platform_device_register(&da850_psc0_device);
-
- platform_device_register(&da850_psc1_device);
-
- da850_tbclksync_pdata.cfgchip = da8xx_get_cfgchip();
- platform_device_register(&da850_tbclksync_device);
-}