drivers: soc: sunxi: add support for A64 and its SRAM C

Allwinner A64's display engine claims the SRAM C section to work.

Add support for the A64 SRAM controller and the SRAM C section of it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

drivers/soc/sunxi/sunxi_sram.c

@@ -69,6 +69,12 @@ static struct sunxi_sram_desc sun4i_a10_sram_d = {
  SUNXI_SRAM_MAP(1, 1, "usb-otg")),
 };
 
+static struct sunxi_sram_desc sun50i_a64_sram_c = {
+ .data = SUNXI_SRAM_DATA("C", 0x4, 24, 1,
+ SUNXI_SRAM_MAP(0, 1, "cpu"),
+ SUNXI_SRAM_MAP(1, 0, "de2")),
+};
+
 static const struct of_device_id sunxi_sram_dt_ids[] = {
  {
  .compatible = "allwinner,sun4i-a10-sram-a3-a4",
@@ -78,6 +84,10 @@ static const struct of_device_id sunxi_sram_dt_ids[] = {
  .compatible = "allwinner,sun4i-a10-sram-d",
  .data = &sun4i_a10_sram_d.data,
  },
+ {
+ .compatible = "allwinner,sun50i-a64-sram-c",
+ .data = &sun50i_a64_sram_c.data,
+ },
  {}
 };
 
@@ -295,6 +305,7 @@ static int sunxi_sram_probe(struct platform_device *pdev)
 
 static const struct of_device_id sunxi_sram_dt_match[] = {
  { .compatible = "allwinner,sun4i-a10-sram-controller" },
+ { .compatible = "allwinner,sun50i-a64-sram-controller" },
  { },
 };
 MODULE_DEVICE_TABLE(of, sunxi_sram_dt_match);