asw/pg: Update READMEs

Signed-off-by: Sylvain Munaut <[email protected]>

asw/sky130/README.md

@@ -0,0 +1,10 @@
+Tiny Tapeout Analog Switches for SKY130
+=======================================
+
+These are the analog switches that are used to connect/disconnect projects
+from the analog pins.
+
+* `tt_asw_1v8`: 1.8V rated switch. Used on TT06 only.
+* `tt_asw_3v3`: 3.3V/5V rated switch. Used on TT07+.
+
+Design and layouts were done by Sylvain Munaut.

asw/sky130/tt_asw_1v8/README.md

@@ -2,7 +2,7 @@
 
 # Analog switch for TT06
 
-[schematic](https://xschem-viewer.com/?file=https://github.com/TinyTapeout/tt-multiplexer/blob/main/tt_asw_1v8/xschem/tt_asw_1v8.sch)
+[schematic](https://xschem-viewer.com/?file=https://github.com/TinyTapeout/tt-multiplexer/blob/main/asw/sky130/tt_asw_1v8/xschem/tt_asw_1v8.sch)
 
 # Layout
 

asw/sky130/tt_asw_3v3/README.md

@@ -2,7 +2,7 @@
 
 # 3V3/5V tolerant analog switch for TT07+
 
-[schematic](https://xschem-viewer.com/?file=https://github.com/TinyTapeout/tt-multiplexer/blob/main/asw/tt_asw_3v3/xschem/tt_asw_3v3.sch)
+[schematic](https://xschem-viewer.com/?file=https://github.com/TinyTapeout/tt-multiplexer/blob/main/asw/sky130/tt_asw_3v3/xschem/tt_asw_3v3.sch)
 
 # Layout
 

pg/sky130/README.md

@@ -1,11 +1,13 @@
-Tiny Tapeout Power gates
-========================
+Tiny Tapeout Power Gates for SKY130
+===================================
 
-* `tt_pg_vdd_1`: Single height 1.8V switch
-* `tt_pg_vdd_2`: Dual height 1.8V switch
+* `tt_pg_1v8_1`: Single height 1.8V switch
+* `tt_pg_1v8_2`: Dual height 1.8V switch
+* `tt_pg_1v8_4`: Quad height 1.8V switch
+* `tt_pg_3v3_2`: Dual height 3.3V switch
 
-Layouts were done by Harald Pretl,
-Institute for Integrated Circuits, Johannes Kepler University.
+Design and layouts were done by Sylvain Munaut.
 
-And the original/hierarchical files can be found on
-https://github.com/iic-jku/sky130_power_gate
+Based upon original design from Harald Pretl,
+Institute for Integrated Circuits, Johannes Kepler University.
+( https://github.com/iic-jku/sky130_power_gate )