Hi Marek,
Some comments about SPI:
On 09/23/2014 01:18 PM, Marek Vasut wrote:
+/*
+ * SPI
+ */
+#ifdef CONFIG_MXC_SPI
+static iomux_v3_cfg_t ecspi1_pads[] = {
+ /* SS1 */
+ MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
+};
+
+static void novena_spl_setup_iomux_spi(void)
+{
+ imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
+ gpio_direction_output(CONFIG_SF_DEFAULT_CS, 1);
+}
+#else
+static void novena_spl_setup_iomux_spi(void) {}
+#endif
I checked the schematic and didn't saw any usage of ECSPI1. In addition,
these pads (EIM D16/17/18/19) are used by other interfaces. Can you
please also double-check this?
Kind regards,
Nikolay
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