Re: [U-Boot] [PATCH v3 7/9] sunxi: mmc support

26 Apr 2014

      On Friday, April 18, 2014 at 08:05:48 PM, Ian Campbell wrote:
...
This adds support for the MMC controller on the Allwinner A20 (sun7i)
processor.
Signed-off-by: Henrik Nordstrom henrik@henriknordstrom.net
Signed-off-by: Luke Leighton lkcl@lkcl.net
Signed-off-by: Oliver Schinagl oliver@schinagl.nl
Signed-off-by: Wills Wang wills.wang.open@gmail.com
Signed-off-by: Ian Campbell ijc@hellion.org.uk
Cc: Stefan Roese sr@denx.de
Cc: Tom Cubie Mr.hipboi@gmail.com
Cc: Aaron Maoye leafy.myeh@allwinnertech.com
Cc: Pantelis Antoniou panto@antoniou-consulting.com
[...]
...
+static int mmc_clk_io_on(int sdc_no)
+{

unsigned int pin;
unsigned int rval;
unsigned int pll_clk;
unsigned int divider;
struct sunxi_mmc_host *mmchost = &mmc_host[sdc_no];
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;

debug("init mmc %d clock and io\n", sdc_no);

/* config gpio */
switch (sdc_no) {
case 0:
/* D1-PF0, D0-PF1, CLK-PF2, CMD-PF3, D3-PF4, D4-PF5 */

for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) {

	sunxi_gpio_set_cfgpin(pin, SUNXI_GPF0_SDC0);

	sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);

	sunxi_gpio_set_drv(pin, 2);

}

break;

Pinmux config is part of board files , not part of driver.
[...]
Best regards,
Marek Vasut