sd: add sd_uart support on g12b

PD#165090: add sd_uart support on g12b.

Change-Id: Iee7c7a4ec0b2e5269561179779a6eeb3296f80d7
Signed-off-by: Nan Li <nan.li@amlogic.com>

diff --git a/arch/arm64/boot/dts/amlogic/mesong12b.dtsi b/arch/arm64/boot/dts/amlogic/mesong12b.dtsi
index 5bc7c06..a5af74c 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/mesong12b.dtsi
+++ b/arch/arm64/boot/dts/amlogic/mesong12b.dtsi
@@ -1404,9 +1404,23 @@
                interrupts = <0 190 1>;
 
                pinctrl-names = "sd_all_pins",
-                       "sd_clk_cmd_pins";
+                       "sd_clk_cmd_pins",
+                       "sd_1bit_pins",
+                       "sd_clk_cmd_uart_pins",
+                       "sd_1bit_uart_pins",
+                       "sd_to_ao_uart_pins",
+                       "ao_to_sd_uart_pins",
+                       "sd_to_ao_jtag_pins",
+                       "ao_to_sd_jtag_pins";
                pinctrl-0 = <&sd_all_pins>;
                pinctrl-1 = <&sd_clk_cmd_pins>;
+               pinctrl-2 = <&sd_1bit_pins>;
+               pinctrl-3 = <&sd_to_ao_uart_clr_pins
+                       &sd_clk_cmd_pins &ao_to_sd_uart_pins>;
+               pinctrl-4 = <&sd_to_ao_uart_clr_pins
+                       &sd_1bit_pins &ao_to_sd_uart_pins>;
+               pinctrl-5 = <&sd_all_pins &sd_to_ao_uart_pins>;
+               pinctrl-6 = <&sd_to_ao_uart_clr_pins &ao_to_sd_uart_pins>;
 
                clocks = <&clkc CLKID_SD_EMMC_B>,
                        <&clkc CLKID_SD_EMMC_B_P0_COMP>,

diff --git a/include/linux/amlogic/amlsd.h b/include/linux/amlogic/amlsd.h
index f4177b1..0aaee6d 100644 (file)
--- a/include/linux/amlogic/amlsd.h
+++ b/include/linux/amlogic/amlsd.h
@@ -43,7 +43,7 @@ extern const u8 tuning_blk_pattern_8bit[128];
 #define MODULE_NAME            "amlsd"
 /* #define CARD_DETECT_IRQ    1 */
 #define AML_MMC_TDMA 1
-//#define SD_EMMC_DEBUG_BOARD 1
+#define SD_EMMC_DEBUG_BOARD 1
 
 #if 0
 #define A0_GP_CFG0                     (0xc8100240)