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authorMarek Vasut2020-03-31 19:51:29 +0200
committerPatrick Delaunay2020-04-01 11:58:00 +0200
commitf19312e5f400b1eb23252fa6d9e49a1e5512b448 (patch)
tree8d1615dd239fd8d8460fa069a1b9db7ae081f55b /arch
parent2f0b5d930d3b2100917077ef7217e77c3c9ae956 (diff)
ARM: dts: stm32: Use DT alias for the configuration EEPROM
Use DT /aliases node to establish a stable phandle to the configuration EEPROM. This permits the configuration EEPROM to be moved e.g. to a different address or a different bus. Adjust the board code to handle new phandle lookup. Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/dts/stm32mp15xx-dhcom.dtsi6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/dts/stm32mp15xx-dhcom.dtsi b/arch/arm/dts/stm32mp15xx-dhcom.dtsi
index bed69c97b6b..e5be0a79ac5 100644
--- a/arch/arm/dts/stm32mp15xx-dhcom.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcom.dtsi
@@ -10,6 +10,10 @@
#include <dt-bindings/mfd/st,stpmic1.h>
/ {
+ aliases {
+ eeprom0 = &eeprom0;
+ };
+
memory@c0000000 {
device_type = "memory";
reg = <0xC0000000 0x40000000>;
@@ -187,7 +191,7 @@
};
};
- eeprom@50 {
+ eeprom0: eeprom@50 {
compatible = "atmel,24c02";
reg = <0x50>;
pagesize = <16>;