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driver: espi: add espi driver for rts5912

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add espi driver for rts5912

Signed-off-by: jhan bo chao <jhan_bo_chao@realtek.com>
This commit is contained in:
jhan bo chao 2025-05-04 01:14:00 +08:00 • committed by Benjamin Cabé
commit 537791facf
8 changed files with 992 additions and 0 deletions
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79
dts/arm/realtek/ec/rts5912.dtsi
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@ -169,6 +169,85 @@
status = "disabled";
};
espi0: espi0@400b1000 {
compatible = "realtek,rts5912-espi";
status = "disabled";
reg = <0x400b1000 0x200 /* espi target */
0x400a0400 0x01c /* port80 */
0x400a0200 0x1c /* ACPI */
0x400A021C 0x1C /* PROMT0 */
0x400A0238 0x1C /* PROMT1 */
0x400A0254 0x1C /* PROMT2 */
0x400A0270 0x1C /* PROMT3 */
0x40082000 0x14 /* EMI0 */
0x40082020 0x14 /* EMI1 */
0x40082040 0x14 /* EMI2 */
0x40082060 0x14 /* EMI3 */
0x40082080 0x14 /* EMI4 */
0x400820A0 0x14 /* EMI5 */
0x400820C0 0x14 /* EMI6 */
0x400820E0 0x14 /* EMI7 */
0x400a0100 0x1c /* KBC */
0x400B1600 0xd0>; /* MBX */
reg-names = "espi_target", "port80", "acpi", "promt0", "promt1", "promt2",
"promt3", "emi0", "emi1", "emi2", "emi3", "emi4", "emi5",
"emi6", "emi7", "kbc", "mbx";
clocks = <&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_ESPI_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_P80_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_ACPI_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_PMPORT0_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_PMPORT1_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_PMPORT2_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_PMPORT3_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_EMI0_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_EMI1_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP1 PERIPH_GRP1_EMI2_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP1 PERIPH_GRP1_EMI3_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP1 PERIPH_GRP1_EMI4_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP1 PERIPH_GRP1_EMI5_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP1 PERIPH_GRP1_EMI6_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP1 PERIPH_GRP1_EMI7_CLKPWR>,
<&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_KBC_CLKPWR>;
clock-names = "espi-target", "port80", "acpi", "promt0", "promt1", "promt2",
"promt3", "emi0", "emi1", "emi2", "emi3", "emi4", "emi5",
"emi6", "emi7", "kbc";
interrupts = <133 0>, <134 0>, <146 0>,
<145 0>, <144 0>, <143 0>,
<142 0>, <141 0>, <140 0>,
<139 0>, <138 0>, <137 0>,
<136 0>, <135 0>, <154 0>,
<155 0>, <156 0>, <157 0>,
<158 0>, <159 0>, <160 0>,
<161 0>, <162 0>, <163 0>,
<164 0>, <165 0>, <212 0>,
<213 0>, <214 0>, <215 0>,
<216 0>, <217 0>, <218 0>,
<219 0>, <147 0>, <148 0>,
<149 0>, <152 0>, <153 0>,
<166 0>, <220 0>;
interrupt-names = "bus-rst", "periph-ch", "vw-ch",
"vw-idx2", "vw-idx3", "vw-idx7",
"vw-idx41", "vw-idx42", "vw-idx43",
"vw-idx44", "vw-idx47", "vw-idx4a",
"vw-idx51", "vw-idx61", "kbc_ibf",
"kbc_obe", "acpi_ibf", "acpi_obe",
"promt0_ibf", "promt0_obe", "promt1_ibf",
"promt1_obe", "promt2_ibf", "promt2_obe",
"promt3_ibf", "promt3_obe", "emi0",
"emi1", "emi2", "emi3",
"emi4", "emi5", "emi6",
"emi7", "oob_tx", "oob_rx",
"oob_chg", "maf_tr", "flash_chg",
"port80", "mbx";
};
slwtmr0: slwtmr0@4000c200 {
compatible = "realtek,rts5912-slwtimer";
reg = <0x4000c200 0x10>;