[PATCH AUTOSEL 4.19 298/671] soc: amlogic: meson-gx-pwrc-vpu: Fix power on/off register bitmask

[PATCH AUTOSEL 4.19 298/671] soc: amlogic: meson-gx-pwrc-vpu: Fix power on/off register bitmask

[Sasha Levin]

From: Neil Armstrong <narmstrong@baylibre.com>

[ Upstream commit 2fe3b4bbc93ec30a173ebae7d2b8c530416df3af ]

The register bitmask to power on/off the VPU memories was incorectly set
to 0x2 instead of 0x3. While still working, let's use the recommended
vendor value instead.

Fixes: 75fcb5ca4b46 ("soc: amlogic: add Meson GX VPU Domains driver")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/soc/amlogic/meson-gx-pwrc-vpu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
index 6289965c42e9..05421d029dff 100644
--- a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
+++ b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
@@ -54,12 +54,12 @@ static int meson_gx_pwrc_vpu_power_off(struct generic_pm_domain *genpd)
 	/* Power Down Memories */
 	for (i = 0; i < 32; i += 2) {
 		regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
-				   0x2 << i, 0x3 << i);
+				   0x3 << i, 0x3 << i);
 		udelay(5);
 	}
 	for (i = 0; i < 32; i += 2) {
 		regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
-				   0x2 << i, 0x3 << i);
+				   0x3 << i, 0x3 << i);
 		udelay(5);
 	}
 	for (i = 8; i < 16; i++) {
@@ -108,13 +108,13 @@ static int meson_gx_pwrc_vpu_power_on(struct generic_pm_domain *genpd)
 	/* Power Up Memories */
 	for (i = 0; i < 32; i += 2) {
 		regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
-				   0x2 << i, 0);
+				   0x3 << i, 0);
 		udelay(5);
 	}
 
 	for (i = 0; i < 32; i += 2) {
 		regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
-				   0x2 << i, 0);
+				   0x3 << i, 0);
 		udelay(5);
 	}
 
-- 
2.20.1


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[PATCH AUTOSEL 4.19 350/671] pwm: meson: Consider 128 a valid pre-divider

[Sasha Levin]

From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

[ Upstream commit 51496e4446875726d50a5617a6e0e0dabbc2e6da ]

The pre-divider allows configuring longer PWM periods compared to using
the input clock directly. The pre-divider is 7 bit wide, meaning it's
maximum value is 128 (the register value is off-by-one: 0x7f or 127).

Change the loop to also allow for the maximum possible value to be
considered valid.

Fixes: 211ed630753d2f ("pwm: Add support for Meson PWM Controller")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-meson.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index f6e738ad7bd9..4b708c1fcb1d 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -188,7 +188,7 @@ static int meson_pwm_calc(struct meson_pwm *meson,
 	do_div(fin_ps, fin_freq);
 
 	/* Calc pre_div with the period */
-	for (pre_div = 0; pre_div < MISC_CLK_DIV_MASK; pre_div++) {
+	for (pre_div = 0; pre_div <= MISC_CLK_DIV_MASK; pre_div++) {
 		cnt = DIV_ROUND_CLOSEST_ULL((u64)period * 1000,
 					    fin_ps * (pre_div + 1));
 		dev_dbg(meson->chip.dev, "fin_ps=%llu pre_div=%u cnt=%u\n",
@@ -197,7 +197,7 @@ static int meson_pwm_calc(struct meson_pwm *meson,
 			break;
 	}
 
-	if (pre_div == MISC_CLK_DIV_MASK) {
+	if (pre_div > MISC_CLK_DIV_MASK) {
 		dev_err(meson->chip.dev, "unable to get period pre_div\n");
 		return -EINVAL;
 	}
-- 
2.20.1


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[PATCH AUTOSEL 4.19 351/671] pwm: meson: Don't disable PWM when setting duty repeatedly

[Sasha Levin]

From: Bichao Zheng <bichao.zheng@amlogic.com>

[ Upstream commit a279345807e1e0ae79567a52cfdd9d30c9174a3c ]

There is an abnormally low about 20ms,when setting duty repeatedly.
Because setting the duty will disable PWM and then enable. Delete
this operation now.

Fixes: 211ed630753d2f ("pwm: Add support for Meson PWM Controller")
Signed-off-by: Bichao Zheng <bichao.zheng@amlogic.com>
[ Dropped code instead of hiding it behind a comment ]
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-meson.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index 4b708c1fcb1d..e247ab632530 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -325,11 +325,6 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 	if (state->period != channel->state.period ||
 	    state->duty_cycle != channel->state.duty_cycle ||
 	    state->polarity != channel->state.polarity) {
-		if (channel->state.enabled) {
-			meson_pwm_disable(meson, pwm->hwpwm);
-			channel->state.enabled = false;
-		}
-
 		if (state->polarity != channel->state.polarity) {
 			if (state->polarity == PWM_POLARITY_NORMAL)
 				meson->inverter_mask |= BIT(pwm->hwpwm);
-- 
2.20.1


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[PATCH AUTOSEL 4.19 365/671] clk: meson: gxbb: no spread spectrum on mpll0

[Sasha Levin]

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 8925dbd03bb29b1b0de30ac4e02c18faf8ddc9db ]

The documentation says there is an SSEN bit on mpll0 but, after testing
it, no spread spectrum function appears to be enabled by this bit on any
of the MPLLs.

Let's remove it until we know more

Fixes: 1f737ffa13ef ("clk: meson: mpll: fix mpll0 fractional part ignored")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/meson/gxbb.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index b039909e03cf..38ffa51a5bad 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -650,11 +650,6 @@ static struct clk_regmap gxbb_mpll0_div = {
 			.shift   = 16,
 			.width   = 9,
 		},
-		.ssen = {
-			.reg_off = HHI_MPLL_CNTL,
-			.shift   = 25,
-			.width	 = 1,
-		},
 		.lock = &meson_clk_lock,
 	},
 	.hw.init = &(struct clk_init_data){
-- 
2.20.1


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[PATCH AUTOSEL 4.19 366/671] clk: meson: axg: spread spectrum is on mpll2

[Sasha Levin]

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit dc4e62d373f881cbf51513296a6db7806516a01a ]

After testing, it appears that the SSEN bit controls the spread
spectrum function on MPLL2, not MPLL0.

Fixes: 78b4af312f91 ("clk: meson-axg: add clock controller drivers")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/meson/axg.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index 02229d051d77..4e7dac24948b 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -461,11 +461,6 @@ static struct clk_regmap axg_mpll0_div = {
 			.shift   = 16,
 			.width   = 9,
 		},
-		.ssen = {
-			.reg_off = HHI_MPLL_CNTL,
-			.shift   = 25,
-			.width	 = 1,
-		},
 		.misc = {
 			.reg_off = HHI_PLL_TOP_MISC,
 			.shift   = 0,
@@ -560,6 +555,11 @@ static struct clk_regmap axg_mpll2_div = {
 			.shift   = 16,
 			.width   = 9,
 		},
+		.ssen = {
+			.reg_off = HHI_MPLL_CNTL,
+			.shift   = 25,
+			.width	 = 1,
+		},
 		.misc = {
 			.reg_off = HHI_PLL_TOP_MISC,
 			.shift   = 2,
-- 
2.20.1


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[PATCH AUTOSEL 4.19 368/671] arm64: dts: meson: libretech-cc: set eMMC as removable

[Sasha Levin]

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 9f72e321d5506fe3e162a6308a4a295d7f10bb5d ]

The eMMC on this board is add-on module which is not mandatory. Removing
'non-removable' property should prevent some errors when booting a board
w/o an eMMC module present.

Fixes: 72fb2c852188 ("ARM64: dts: meson-gxl-s905x-libretech-cc: fixup board definition")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl<martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index db293440e4ca..daad007fac1f 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -256,7 +256,6 @@
 	cap-mmc-highspeed;
 	mmc-ddr-3_3v;
 	max-frequency = <50000000>;
-	non-removable;
 	disable-wp;
 
 	mmc-pwrseq = <&emmc_pwrseq>;
-- 
2.20.1


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[PATCH AUTOSEL 4.19 403/671] arm64: dts: meson-gxm-khadas-vim2: fix gpio-keys-polled node

[Sasha Levin]

From: Christian Hewitt <christianshewitt@gmail.com>

[ Upstream commit 0afd24c2fb61bd5163bab08ea1ee54d60d3ea37e ]

Fix DTC warnings:

meson-gxm-khadas-vim2.dtb: Warning (avoid_unnecessary_addr_size):
   /gpio-keys-polled: unnecessary #address-cells/#size-cells
	without "ranges" or child "reg" property

Fixes: b8b74dda3908 ("ARM64: dts: meson-gxm: Add support for Khadas VIM2")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
index 782e9edac805..bfd3a510ff16 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
@@ -63,11 +63,9 @@
 
 	gpio-keys-polled {
 		compatible = "gpio-keys-polled";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		poll-interval = <100>;
 
-		button@0 {
+		power-button {
 			label = "power";
 			linux,code = <KEY_POWER>;
 			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
-- 
2.20.1


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[PATCH AUTOSEL 4.19 404/671] arm64: dts: meson-gxm-khadas-vim2: fix Bluetooth support

[Sasha Levin]

From: Christian Hewitt <christianshewitt@gmail.com>

[ Upstream commit 33344e2111a3a07097a66f339ad213b047ccdfd2 ]

- Remove serial1 alias
- Add support for uart_A rts/cts
- Add bluetooth uart_A subnode qith shutdown gpio

Fixes: b8b74dda3908 ("ARM64: dts: meson-gxm: Add support for Khadas VIM2")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
index bfd3a510ff16..785240733d94 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
@@ -18,7 +18,6 @@
 
 	aliases {
 		serial0 = &uart_AO;
-		serial1 = &uart_A;
 		serial2 = &uart_AO_B;
 	};
 
@@ -407,8 +406,14 @@
 /* This one is connected to the Bluetooth module */
 &uart_A {
 	status = "okay";
-	pinctrl-0 = <&uart_a_pins>;
+	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+	};
 };
 
 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
-- 
2.20.1


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[PATCH AUTOSEL 4.19 410/671] ASoC: meson: axg-tdmin: right_j is not supported

[Sasha Levin]

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 47c317b786b6c1efc2cb3cdb894fd323422fe5ea ]

Right justified format is actually not supported by the amlogic tdm input
decoder.

Fixes: 13a22e6a98f8 ("ASoC: meson: add tdm input driver")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/meson/axg-tdmin.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sound/soc/meson/axg-tdmin.c b/sound/soc/meson/axg-tdmin.c
index bbac44c81688..37207bbebb2a 100644
--- a/sound/soc/meson/axg-tdmin.c
+++ b/sound/soc/meson/axg-tdmin.c
@@ -119,7 +119,6 @@ static int axg_tdmin_prepare(struct regmap *map, struct axg_tdm_stream *ts)
 		break;
 
 	case SND_SOC_DAIFMT_LEFT_J:
-	case SND_SOC_DAIFMT_RIGHT_J:
 	case SND_SOC_DAIFMT_DSP_B:
 		val = TDMIN_CTRL_IN_BIT_SKEW(2);
 		break;
-- 
2.20.1


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[PATCH AUTOSEL 4.19 411/671] ASoC: meson: axg-tdmout: right_j is not supported

[Sasha Levin]

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 7e0d7d0fbd06af0507611f85dba8daf24832abd9 ]

Right justified format is actually not supported by the amlogic tdm output
encoder.

Fixes: c41c2a355b86 ("ASoC: meson: add tdm output driver")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/meson/axg-tdmout.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sound/soc/meson/axg-tdmout.c b/sound/soc/meson/axg-tdmout.c
index f73368ee1088..d11acb3cc696 100644
--- a/sound/soc/meson/axg-tdmout.c
+++ b/sound/soc/meson/axg-tdmout.c
@@ -136,7 +136,6 @@ static int axg_tdmout_prepare(struct regmap *map, struct axg_tdm_stream *ts)
 		break;
 
 	case SND_SOC_DAIFMT_LEFT_J:
-	case SND_SOC_DAIFMT_RIGHT_J:
 	case SND_SOC_DAIFMT_DSP_B:
 		val |= TDMOUT_CTRL0_INIT_BITNUM(2);
 		break;
-- 
2.20.1


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[PATCH AUTOSEL 4.19 567/671] net: stmmac: dwmac-meson8b: Fix signedness bug in probe

[Sasha Levin]

From: Dan Carpenter <dan.carpenter@oracle.com>

[ Upstream commit f10210517a2f37feea2edf85eb34c98977265c16 ]

The "dwmac->phy_mode" is an enum and in this context GCC treats it as
an unsigned int so the error handling is never triggered.

Fixes: 566e82516253 ("net: stmmac: add a glue driver for the Amlogic Meson 8b / GXBB DWMAC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
index 94b46258e8ff..0a17535f13ae 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
@@ -355,7 +355,7 @@ static int meson8b_dwmac_probe(struct platform_device *pdev)
 
 	dwmac->dev = &pdev->dev;
 	dwmac->phy_mode = of_get_phy_mode(pdev->dev.of_node);
-	if (dwmac->phy_mode < 0) {
+	if ((int)dwmac->phy_mode < 0) {
 		dev_err(&pdev->dev, "missing phy-mode property\n");
 		ret = -EINVAL;
 		goto err_remove_config_dt;
-- 
2.20.1


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[PATCH AUTOSEL 4.19 619/671] arm64: dts: meson-gxl-s905x-khadas-vim: fix gpio-keys-polled node

[Sasha Levin]

From: Christian Hewitt <christianshewitt@gmail.com>

[ Upstream commit d5f6fa904ecbadbb8e9fa6302b0fc165bec0559a ]

Fix DTC warnings:

arch/arm/dts/meson-gxl-s905x-khadas-vim.dtb: Warning (avoid_unnecessary_addr_size):
   /gpio-keys-polled: unnecessary #address-cells/#size-cells
      without "ranges" or child "reg" property

Fixes: e15d2774b8c0 ("ARM64: dts: meson-gxl: add support for the Khadas VIM board")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
index a589547fc6e3..062e12aa4677 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
@@ -33,11 +33,9 @@
 
 	gpio-keys-polled {
 		compatible = "gpio-keys-polled";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		poll-interval = <100>;
 
-		button@0 {
+		power-button {
 			label = "power";
 			linux,code = <KEY_POWER>;
 			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
-- 
2.20.1


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[PATCH AUTOSEL 4.19 671/671] arm64: dts: meson-gxm-khadas-vim2: fix uart_A bluetooth node

[Sasha Levin]

From: Christian Hewitt <christianshewitt@gmail.com>

[ Upstream commit 388a2772979b625042524d8b91280616ab4ff5ee ]

Fixes: 33344e2111a3 ("arm64: dts: meson-gxm-khadas-vim2: fix Bluetooth support")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
index 785240733d94..bdf7c6c5983c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
@@ -413,6 +413,9 @@
 	bluetooth {
 		compatible = "brcm,bcm43438-bt";
 		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+		max-speed = <2000000>;
+		clocks = <&wifi32k>;
+		clock-names = "lpo";
 	};
 };
 
-- 
2.20.1


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