From: 张昊 Date: Sat, 19 Nov 2011 09:26:34 +0000 (+0800) Subject: board-rk29-phonesdk : add iomux to support new sdmmc driver X-Git-Tag: firefly_0821_release~9735^2~2^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3b061a09f4691a63d96d10f8ce13b8c28e9359b3;p=firefly-linux-kernel-4.4.55.git board-rk29-phonesdk : add iomux to support new sdmmc driver --- diff --git a/arch/arm/mach-rk29/board-rk29-phonesdk.c b/arch/arm/mach-rk29/board-rk29-phonesdk.c index 8d5fbf9a4731..d48114edc9bd 100755 --- a/arch/arm/mach-rk29/board-rk29-phonesdk.c +++ b/arch/arm/mach-rk29/board-rk29-phonesdk.c @@ -2319,10 +2319,239 @@ struct platform_device rk2818_device_mtk23d = { }; #endif - /***************************************************************************************** * SDMMC devices *****************************************************************************************/ +#if !defined(CONFIG_SDMMC_RK29_OLD) +static void rk29_sdmmc_gpio_open(int device_id, int on) +{ + switch(device_id) + { + case 0://mmc0 + { + #ifdef CONFIG_SDMMC0_RK29 + if(on) + { + gpio_direction_output(RK29_PIN1_PD0,GPIO_HIGH);//set mmc0-clk to high + gpio_direction_output(RK29_PIN1_PD1,GPIO_HIGH);//set mmc0-cmd to high. + gpio_direction_output(RK29_PIN1_PD2,GPIO_HIGH);//set mmc0-data0 to high. + gpio_direction_output(RK29_PIN1_PD3,GPIO_HIGH);//set mmc0-data1 to high. + gpio_direction_output(RK29_PIN1_PD4,GPIO_HIGH);//set mmc0-data2 to high. + gpio_direction_output(RK29_PIN1_PD5,GPIO_HIGH);//set mmc0-data3 to high. + + mdelay(30); + } + else + { + rk29_mux_api_set(GPIO1D0_SDMMC0CLKOUT_NAME, GPIO1H_GPIO1_D0); + gpio_request(RK29_PIN1_PD0, "mmc0-clk"); + gpio_direction_output(RK29_PIN1_PD0,GPIO_LOW);//set mmc0-clk to low. + + rk29_mux_api_set(GPIO1D1_SDMMC0CMD_NAME, GPIO1H_GPIO1_D1); + gpio_request(RK29_PIN1_PD1, "mmc0-cmd"); + gpio_direction_output(RK29_PIN1_PD1,GPIO_LOW);//set mmc0-cmd to low. + + rk29_mux_api_set(GPIO1D2_SDMMC0DATA0_NAME, GPIO1H_GPIO1D2); + gpio_request(RK29_PIN1_PD2, "mmc0-data0"); + gpio_direction_output(RK29_PIN1_PD2,GPIO_LOW);//set mmc0-data0 to low. + + rk29_mux_api_set(GPIO1D3_SDMMC0DATA1_NAME, GPIO1H_GPIO1D3); + gpio_request(RK29_PIN1_PD3, "mmc0-data1"); + gpio_direction_output(RK29_PIN1_PD3,GPIO_LOW);//set mmc0-data1 to low. + + rk29_mux_api_set(GPIO1D4_SDMMC0DATA2_NAME, GPIO1H_GPIO1D4); + gpio_request(RK29_PIN1_PD4, "mmc0-data2"); + gpio_direction_output(RK29_PIN1_PD4,GPIO_LOW);//set mmc0-data2 to low. + + rk29_mux_api_set(GPIO1D5_SDMMC0DATA3_NAME, GPIO1H_GPIO1D5); + gpio_request(RK29_PIN1_PD5, "mmc0-data3"); + gpio_direction_output(RK29_PIN1_PD5,GPIO_LOW);//set mmc0-data3 to low. + + mdelay(30); + } + #endif + } + break; + + case 1://mmc1 + { + #ifdef CONFIG_SDMMC1_RK29 + if(on) + { + gpio_direction_output(RK29_PIN1_PC7,GPIO_HIGH);//set mmc1-clk to high + gpio_direction_output(RK29_PIN1_PC2,GPIO_HIGH);//set mmc1-cmd to high. + gpio_direction_output(RK29_PIN1_PC3,GPIO_HIGH);//set mmc1-data0 to high. + gpio_direction_output(RK29_PIN1_PC4,GPIO_HIGH);//set mmc1-data1 to high. + gpio_direction_output(RK29_PIN1_PC5,GPIO_HIGH);//set mmc1-data2 to high. + gpio_direction_output(RK29_PIN1_PC6,GPIO_HIGH);//set mmc1-data3 to high. + mdelay(100); + } + else + { + rk29_mux_api_set(GPIO1C7_SDMMC1CLKOUT_NAME, GPIO1H_GPIO1C7); + gpio_request(RK29_PIN1_PC7, "mmc1-clk"); + gpio_direction_output(RK29_PIN1_PC7,GPIO_LOW);//set mmc1-clk to low. + + rk29_mux_api_set(GPIO1C2_SDMMC1CMD_NAME, GPIO1H_GPIO1C2); + gpio_request(RK29_PIN1_PC2, "mmc1-cmd"); + gpio_direction_output(RK29_PIN1_PC2,GPIO_LOW);//set mmc1-cmd to low. + + rk29_mux_api_set(GPIO1C3_SDMMC1DATA0_NAME, GPIO1H_GPIO1C3); + gpio_request(RK29_PIN1_PC3, "mmc1-data0"); + gpio_direction_output(RK29_PIN1_PC3,GPIO_LOW);//set mmc1-data0 to low. + + mdelay(100); + } + #endif + } + break; + + case 2: //mmc2 + break; + + default: + break; + } +} + + +static void rk29_sdmmc_set_iomux_mmc0(unsigned int bus_width) +{ + switch (bus_width) + { + + case 1://SDMMC_CTYPE_4BIT: + { + rk29_mux_api_set(GPIO1D3_SDMMC0DATA1_NAME, GPIO1H_SDMMC0_DATA1); + rk29_mux_api_set(GPIO1D4_SDMMC0DATA2_NAME, GPIO1H_SDMMC0_DATA2); + rk29_mux_api_set(GPIO1D5_SDMMC0DATA3_NAME, GPIO1H_SDMMC0_DATA3); + } + break; + + case 0x10000://SDMMC_CTYPE_8BIT: + break; + case 0xFFFF: //gpio_reset + { + rk29_mux_api_set(GPIO5D5_SDMMC0PWREN_NAME, GPIO5H_GPIO5D5); + gpio_request(RK29_PIN5_PD5,"sdmmc-power"); + gpio_direction_output(RK29_PIN5_PD5,GPIO_HIGH); //power-off + + rk29_sdmmc_gpio_open(0, 0); + + gpio_direction_output(RK29_PIN5_PD5,GPIO_LOW); //power-on + + rk29_sdmmc_gpio_open(0, 1); + } + break; + + default: //case 0://SDMMC_CTYPE_1BIT: + { + rk29_mux_api_set(GPIO1D1_SDMMC0CMD_NAME, GPIO1H_SDMMC0_CMD); + rk29_mux_api_set(GPIO1D0_SDMMC0CLKOUT_NAME, GPIO1H_SDMMC0_CLKOUT); + rk29_mux_api_set(GPIO1D2_SDMMC0DATA0_NAME, GPIO1H_SDMMC0_DATA0); + + rk29_mux_api_set(GPIO1D3_SDMMC0DATA1_NAME, GPIO1H_GPIO1D3); + gpio_request(RK29_PIN1_PD3, "mmc0-data1"); + gpio_direction_output(RK29_PIN1_PD3,GPIO_HIGH); + + rk29_mux_api_set(GPIO1D4_SDMMC0DATA2_NAME, GPIO1H_GPIO1D4); + gpio_request(RK29_PIN1_PD4, "mmc0-data2"); + gpio_direction_output(RK29_PIN1_PD4,GPIO_HIGH); + + rk29_mux_api_set(GPIO1D5_SDMMC0DATA3_NAME, GPIO1H_GPIO1D5); + gpio_request(RK29_PIN1_PD5, "mmc0-data3"); + gpio_direction_output(RK29_PIN1_PD5,GPIO_HIGH); + } + break; + } +} + +static void rk29_sdmmc_set_iomux_mmc1(unsigned int bus_width) +{ +#if 0 + switch (bus_width) + { + + case 1://SDMMC_CTYPE_4BIT: + { + rk29_mux_api_set(GPIO1C2_SDMMC1CMD_NAME, GPIO1H_SDMMC1_CMD); + rk29_mux_api_set(GPIO1C7_SDMMC1CLKOUT_NAME, GPIO1H_SDMMC1_CLKOUT); + rk29_mux_api_set(GPIO1C3_SDMMC1DATA0_NAME, GPIO1H_SDMMC1_DATA0); + rk29_mux_api_set(GPIO1C4_SDMMC1DATA1_NAME, GPIO1H_SDMMC1_DATA1); + rk29_mux_api_set(GPIO1C5_SDMMC1DATA2_NAME, GPIO1H_SDMMC1_DATA2); + rk29_mux_api_set(GPIO1C6_SDMMC1DATA3_NAME, GPIO1H_SDMMC1_DATA3); + } + break; + + case 0x10000://SDMMC_CTYPE_8BIT: + break; + case 0xFFFF: + { + rk29_sdmmc_gpio_open(1, 0); + rk29_sdmmc_gpio_open(1, 1); + } + break; + + default: //case 0://SDMMC_CTYPE_1BIT: + { + rk29_mux_api_set(GPIO1C2_SDMMC1CMD_NAME, GPIO1H_SDMMC1_CMD); + rk29_mux_api_set(GPIO1C7_SDMMC1CLKOUT_NAME, GPIO1H_SDMMC1_CLKOUT); + rk29_mux_api_set(GPIO1C3_SDMMC1DATA0_NAME, GPIO1H_SDMMC1_DATA0); + + rk29_mux_api_set(GPIO1C4_SDMMC1DATA1_NAME, GPIO1H_GPIO1C4); + gpio_request(RK29_PIN1_PC4, "mmc1-data1"); + gpio_direction_output(RK29_PIN1_PC4,GPIO_HIGH); + + rk29_mux_api_set(GPIO1C5_SDMMC1DATA2_NAME, GPIO1H_GPIO1C5); + gpio_request(RK29_PIN1_PC5, "mmc1-data2"); + gpio_direction_output(RK29_PIN1_PC5,GPIO_HIGH); + + rk29_mux_api_set(GPIO1C6_SDMMC1DATA3_NAME, GPIO1H_GPIO1C6); + gpio_request(RK29_PIN1_PC6, "mmc1-data3"); + gpio_direction_output(RK29_PIN1_PC6,GPIO_HIGH); + + } + break; + } +#else + rk29_mux_api_set(GPIO1C2_SDMMC1CMD_NAME, GPIO1H_SDMMC1_CMD); + rk29_mux_api_set(GPIO1C7_SDMMC1CLKOUT_NAME, GPIO1H_SDMMC1_CLKOUT); + rk29_mux_api_set(GPIO1C3_SDMMC1DATA0_NAME, GPIO1H_SDMMC1_DATA0); + rk29_mux_api_set(GPIO1C4_SDMMC1DATA1_NAME, GPIO1H_SDMMC1_DATA1); + rk29_mux_api_set(GPIO1C5_SDMMC1DATA2_NAME, GPIO1H_SDMMC1_DATA2); + rk29_mux_api_set(GPIO1C6_SDMMC1DATA3_NAME, GPIO1H_SDMMC1_DATA3); + +#endif +} + +static void rk29_sdmmc_set_iomux_mmc2(unsigned int bus_width) +{ + ;// +} + +static void rk29_sdmmc_set_iomux(int device_id, unsigned int bus_width) +{ + switch(device_id) + { + case 0: + #ifdef CONFIG_SDMMC0_RK29 + rk29_sdmmc_set_iomux_mmc0(bus_width); + #endif + break; + case 1: + #ifdef CONFIG_SDMMC1_RK29 + rk29_sdmmc_set_iomux_mmc1(bus_width); + #endif + break; + case 2: + rk29_sdmmc_set_iomux_mmc2(bus_width); + break; + default: + break; + } +} +#endif + #ifdef CONFIG_SDMMC0_RK29 static int rk29_sdmmc0_cfg_gpio(void) { @@ -2357,6 +2586,9 @@ struct rk29_sdmmc_platform_data default_sdmmc0_data = { .use_dma = 1, #else .use_dma = 0, +#endif +#if !defined(CONFIG_SDMMC_RK29_OLD) + .set_iomux = rk29_sdmmc_set_iomux, #endif .detect_irq = RK29_PIN2_PA2, // INVALID_GPIO .enable_sd_wakeup = 0, @@ -2391,6 +2623,7 @@ struct rk29_sdmmc_platform_data default_sdmmc1_data = { MMC_CAP_MMC_HIGHSPEED|MMC_CAP_SD_HIGHSPEED), .io_init = rk29_sdmmc1_cfg_gpio, .dma_name = "sdio", + .set_iomux = rk29_sdmmc_set_iomux, #ifdef CONFIG_SDMMC1_USE_DMA .use_dma = 1, #else