diff options
| -rw-r--r-- | arch/m68k/coldfire/clk.c | 15 | ||||
| -rw-r--r-- | arch/m68k/coldfire/device.c | 33 | ||||
| -rw-r--r-- | arch/m68k/coldfire/m5441x.c | 12 | ||||
| -rw-r--r-- | arch/m68k/include/asm/m5441xsim.h | 15 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcfclk.h | 2 | ||||
| -rw-r--r-- | include/linux/platform_data/mmc-esdhc-mcf.h | 17 |
6 files changed, 91 insertions, 3 deletions
diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c index 7bc666e482eb..75a057445472 100644 --- a/arch/m68k/coldfire/clk.c +++ b/arch/m68k/coldfire/clk.c @@ -73,6 +73,21 @@ struct clk_ops clk_ops1 = { #endif /* MCFPM_PPMCR1 */ #endif /* MCFPM_PPMCR0 */ +static void __clk_enable2(struct clk *clk) +{ + __raw_writel(__raw_readl(MCFSDHC_CLK) | (1 << clk->slot), MCFSDHC_CLK); +} + +static void __clk_disable2(struct clk *clk) +{ + __raw_writel(__raw_readl(MCFSDHC_CLK) & ~(1 << clk->slot), MCFSDHC_CLK); +} + +struct clk_ops clk_ops2 = { + .enable = __clk_enable2, + .disable = __clk_disable2, +}; + struct clk *clk_get(struct device *dev, const char *id) { const char *clk_name = dev ? dev_name(dev) : id ? id : NULL; diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c index b4103b6bfdeb..9ef4ec0aea00 100644 --- a/arch/m68k/coldfire/device.c +++ b/arch/m68k/coldfire/device.c @@ -22,6 +22,7 @@ #include <asm/mcfqspi.h> #include <linux/platform_data/edma.h> #include <linux/platform_data/dma-mcf-edma.h> +#include <linux/platform_data/mmc-esdhc-mcf.h> /* * All current ColdFire parts contain from 2, 3, 4 or 10 UARTS. @@ -551,9 +552,35 @@ static struct platform_device mcf_edma = { .platform_data = &mcf_edma_data, } }; - #endif /* IS_ENABLED(CONFIG_MCF_EDMA) */ +#if IS_ENABLED(CONFIG_MMC) +static struct mcf_esdhc_platform_data mcf_esdhc_data = { + .max_bus_width = 4, + .cd_type = ESDHC_CD_NONE, +}; + +static struct resource mcf_esdhc_resources[] = { + { + .start = MCFSDHC_BASE, + .end = MCFSDHC_BASE + MCFSDHC_SIZE - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MCF_IRQ_SDHC, + .end = MCF_IRQ_SDHC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_esdhc = { + .name = "sdhci-esdhc-mcf", + .id = 0, + .num_resources = ARRAY_SIZE(mcf_esdhc_resources), + .resource = mcf_esdhc_resources, + .dev.platform_data = &mcf_esdhc_data, +}; +#endif /* IS_ENABLED(CONFIG_MMC) */ + static struct platform_device *mcf_devices[] __initdata = { &mcf_uart, #if IS_ENABLED(CONFIG_FEC) @@ -586,6 +613,9 @@ static struct platform_device *mcf_devices[] __initdata = { #if IS_ENABLED(CONFIG_MCF_EDMA) &mcf_edma, #endif +#if IS_ENABLED(CONFIG_MMC) + &mcf_esdhc, +#endif }; /* @@ -614,4 +644,3 @@ static int __init mcf_init_devices(void) } arch_initcall(mcf_init_devices); - diff --git a/arch/m68k/coldfire/m5441x.c b/arch/m68k/coldfire/m5441x.c index 5bd24c9b865d..ffa02de1a3fb 100644 --- a/arch/m68k/coldfire/m5441x.c +++ b/arch/m68k/coldfire/m5441x.c @@ -52,7 +52,7 @@ DEFINE_CLK(0, "mcfssi.0", 47, MCF_CLK); DEFINE_CLK(0, "pll.0", 48, MCF_CLK); DEFINE_CLK(0, "mcfrng.0", 49, MCF_CLK); DEFINE_CLK(0, "mcfssi.1", 50, MCF_CLK); -DEFINE_CLK(0, "mcfsdhc.0", 51, MCF_CLK); +DEFINE_CLK(0, "sdhci-esdhc-mcf.0", 51, MCF_CLK); DEFINE_CLK(0, "enet-fec.0", 53, MCF_CLK); DEFINE_CLK(0, "enet-fec.1", 54, MCF_CLK); DEFINE_CLK(0, "switch.0", 55, MCF_CLK); @@ -74,6 +74,10 @@ DEFINE_CLK(1, "mcfpwm.0", 34, MCF_BUSCLK); DEFINE_CLK(1, "sys.0", 36, MCF_BUSCLK); DEFINE_CLK(1, "gpio.0", 37, MCF_BUSCLK); +DEFINE_CLK(2, "ipg.0", 0, MCF_CLK); +DEFINE_CLK(2, "ahb.0", 1, MCF_CLK); +DEFINE_CLK(2, "per.0", 2, MCF_CLK); + struct clk *mcf_clks[] = { &__clk_0_2, &__clk_0_8, @@ -131,6 +135,11 @@ struct clk *mcf_clks[] = { &__clk_1_34, &__clk_1_36, &__clk_1_37, + + &__clk_2_0, + &__clk_2_1, + &__clk_2_2, + NULL, }; @@ -151,6 +160,7 @@ static struct clk * const enable_clks[] __initconst = { &__clk_0_33, /* pit.1 */ &__clk_0_37, /* eport */ &__clk_0_48, /* pll */ + &__clk_0_51, /* esdhc */ &__clk_1_36, /* CCM/reset module/Power management */ &__clk_1_37, /* gpio */ diff --git a/arch/m68k/include/asm/m5441xsim.h b/arch/m68k/include/asm/m5441xsim.h index 4892f314ff38..e091e36d3464 100644 --- a/arch/m68k/include/asm/m5441xsim.h +++ b/arch/m68k/include/asm/m5441xsim.h @@ -279,6 +279,13 @@ #define MCFGPIO_PIN_MAX 87 /* + * Phase Locked Loop (PLL) + */ +#define MCF_PLL_CR 0xFC0C0000 +#define MCF_PLL_DR 0xFC0C0004 +#define MCF_PLL_SR 0xFC0C0008 + +/* * DSPI module. */ #define MCFDSPI_BASE0 0xfc05c000 @@ -298,5 +305,13 @@ #define MCFEDMA_IRQ_INTR16 (MCFINT1_VECBASE + MCFEDMA_EDMA_INTR16) #define MCFEDMA_IRQ_INTR56 (MCFINT2_VECBASE + MCFEDMA_EDMA_INTR56) #define MCFEDMA_IRQ_ERR (MCFINT0_VECBASE + MCFINT0_EDMA_ERR) +/* + * esdhc module. + */ +#define MCFSDHC_BASE 0xfc0cc000 +#define MCFSDHC_SIZE 256 +#define MCFINT2_SDHC 31 +#define MCF_IRQ_SDHC (MCFINT2_VECBASE + MCFINT2_SDHC) +#define MCFSDHC_CLK (MCFSDHC_BASE + 0x2c) #endif /* m5441xsim_h */ diff --git a/arch/m68k/include/asm/mcfclk.h b/arch/m68k/include/asm/mcfclk.h index 0aca504fae31..722627e06d66 100644 --- a/arch/m68k/include/asm/mcfclk.h +++ b/arch/m68k/include/asm/mcfclk.h @@ -30,6 +30,8 @@ extern struct clk_ops clk_ops0; extern struct clk_ops clk_ops1; #endif /* MCFPM_PPMCR1 */ +extern struct clk_ops clk_ops2; + #define DEFINE_CLK(clk_bank, clk_name, clk_slot, clk_rate) \ static struct clk __clk_##clk_bank##_##clk_slot = { \ .name = clk_name, \ diff --git a/include/linux/platform_data/mmc-esdhc-mcf.h b/include/linux/platform_data/mmc-esdhc-mcf.h new file mode 100644 index 000000000000..85cb786a62fe --- /dev/null +++ b/include/linux/platform_data/mmc-esdhc-mcf.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __LINUX_PLATFORM_DATA_MCF_ESDHC_H__ +#define __LINUX_PLATFORM_DATA_MCF_ESDHC_H__ + +enum cd_types { + ESDHC_CD_NONE, /* no CD, neither controller nor gpio */ + ESDHC_CD_CONTROLLER, /* mmc controller internal CD */ + ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */ +}; + +struct mcf_esdhc_platform_data { + int max_bus_width; + int cd_type; +}; + +#endif /* __LINUX_PLATFORM_DATA_MCF_ESDHC_H__ */ |